Ask the Expert Question-and-Answer Archive. by Ron Joseph January, 2007. Calculating VOC from an MSDS That Provides Specific Gravity. Q: Please provide me a tip to calculate a VOC pd/gal if the MSDS only has a Specific Gravity. Ex. 1.5 A: To calculate the VOC of a coating from a Material Safety Data Sheet (MSDS) one needs to multiply the percent weight (organic) solvent (% Wt. solvents), or (% Wt. volatiles) by the density of the coating. Density is sometimes given as WPG (weight per gallon).. For instance, if the % Wt. (organic) volatiles = 48% and the WPG = 9.4 lbs/gal, the VOC content = 0.48 * 9.4 lbs/gal = 4.51 lbs/gal.. If the density is not given in lbs/gal but as specific gravity (S.G), such as S.G. = 1.5 you need to multiply by 8.33 lbs/gal.. Specific gravity is the ratio of the density of a compound to the density of water, which is 8.33 lbs/gal. (Some references give the density of water as 8.34 lbs/gal).. In the calculation given above the density of the coating is 9.4 lbs/gal, ...
We have quantified retinal edema in rat by specific gravity measurements in vitro. Specific gravity corresponds to tissue water content, which is increased in retinal edema. The gravimetric analysis of retinal edema corresponds well with light and transmission electron microscopy and radiolabelled albumen studies. Specific gravity measurements are the standard method to measure brain edema and are also applicable to the measurement of retinal edema.. ...
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... - Consists of 300ml aluminum catch bucket, aluminum overflow can with angled spout and three hooked cubes of different metals. For use in finding the volume, density and specific gravity of an object.
The weight of a gem in air divided by loss of weight in water is the specific gravity. Learn how to calculate specific gravity of gemstones.
A method of monitoring compliance of a patient that has been placed on a medication maintenance program with a prescribed medication dosage by determining a normalized urine methadone concentration. An unadulterated urine sample is obtained from the patient. The urine methadone concentration and urine specific gravity are measured. The normalized urine medication concentration is calculated as a function of the measured medication concentration in the urine and the urine specific gravity. The calculated normalized urine medication concentration is compared with an expected medication concentration value for the patient for the maintenance program prescribed to determine any significant differences therebetween as an indication of noncompliance. Alternatively, a urinary-parameter normalized urine medication concentration is calculated as a function of the measured medication concentration in the urine, the urine specific gravity and at least one selected pharmacokinetic parameter of the medication. The
The EJ-123 Electronic Scale, made by A&D Weighing, represents the best value for the money in an electronic bench scale for specific gravity measurements, of gemstones especially, with readability down to .001g at a price of only $385. Using the EJ-123, with Mineralabs Universal Specific Gravity Kit, you can expect accurate specific gravities on stones weighing as little as .2 carats. This series features a flip-down protective cover, integrated cal-weights, a stainless steel pan and back-lit display. Plus, this new series offers a Specific Gravity application that works well in tandem with Mineralabs Universal Specific Gravity Kit. ...
Changes in body water elicit reflex adjustments at the kidney, thus maintaining fluid volume homeostasis. These renal adjustments change the concentration and color of urine, variables that can, in turn, be used as biomarkers of hydration status. It has been suggested that vitamin supplementation alters urine color; it is unclear whether any such alteration would confound hydration assessment via colorimetric evaluation. We tested the hypothesis that overnight vitamin B2 and/or B12 supplementation alters urine color as a marker of hydration status. Thirty healthy volunteers were monitored during a 3-day euhydrated baseline, confirmed via first morning nude body mass, urine specific gravity, and urine osmolality. Volunteers then randomly received B2 (n = 10), B12 (n = 10), or B2 + B12 (n = 10) at ∼200 × recommended dietary allowance. Euhydration was verified on trial days (two of the following: body mass ± 1.0% of the mean of visits 1-3, urine specific gravity | 1.02, urine osmolality | 700 mmol/kg).
The simplest approach would be to degas a sample and measure its specific gravity with a vintners hydrometer. It will have scales of specific gravity and Brix (sugar content) on it.The Brix (Bx) reading is the percent of sucrose, w/w, in a solution with the same density/specific gravity as the one you are testing. There are, of course, other things in coke besides sucrose (fructose, coca extract, phosphoric acid) but they should be in small enough concentration that the sugars will swamp everything else and all sugars behave amazingly the same with respect to density of their solutions).. Based on the reported sugar content of Coke it contains 108 grams of sugar per liter. Thus its specific gravity should be about 1.041 and the corresponding Bx reading about 10.4. The density of water at 20 °C is 0.998203 so the density corresponding to 1.041 SG is 1.039 and 10.4% of 1039 grams (weight of a liter of 10.4 Bx sucrose solution) is 108 grams.. If you dont have a hydrometer with the Bx (or Plato) ...
Solution for Water (specific gravity 1.02; viscosity 0.0102 grams per centimeter second) is pumped through 0.4 meter diameter pipe. If the Reynolds number is…
... than Water ASTM No.: 126H; 260mL liquid volume; With 3-pt certification Diagnostic Tests and Clinical
... : 0.760 to 0.830; With 3-pt certification Diagnostic Tests and Clinical Products:Analyzers and Instruments:Hydrometers
Purple Pelisse is a specialty fingerling potato with purple skin and dark purple flesh. It has medium maturity and sets a large number of smooth, small, fingerling-shaped tubers. The tubers have medium specific gravity and high levels of antioxidants. This potato variety is mainly intended for the fresh market but it can also be used for processing; chips made from Purple Pelisse tubers retain their bright purple color and have a pleasant taste. Purple Pelisse is moderately resistant to common scab and potato virus Y and susceptible to most of the other common potato diseases. Purple Pelisse resulted from a cross between NDOP5847-1 and bulked pollen of red-fleshed potatoes. It was first selected from seedling tubers planted and grown at Madras, Oregon in 2001 and was subsequently evaluated for six additional years in public and industry trials throughout the western U.S, including Western Regional Red/Specialty Trials in 2006 and 2007. Purple Pelisse was officially released as a variety in ...
A stoppered bottle, weights 38.215 g when empty , weights 45.362 g when filled with water. When filled with unknown liquid the bottole and unknown weighs 44.221 g. Calculate the liquids specific gravity ...
Examples of specific gravities of common liquids at 25 degrees Fahrenheit include 1.052 for acetic acid or vinegar, 0.826 for ammonia, 1.100 for ethylene glycol, 0.871 for turpentine, and 1.028 for...
Ill start out by quoting myself twice - the following blurb is on the back cover of the book:. "We tend to clothe cancer in pretty words, to hide its savage nature from our innermost frightened hearts. In The Specific Gravity of Grief, Jay Lake used pretty words to clothe cancer in the rags of fear that it deserves.". That was based on reading it in manuscript. The book arrived yesterday in my mailbox, and I said this about it on Twitter:. "Pretty book to hide such knives of words.". There are reasons I said those things. Cancer is not describable, not really. This was not something I knew intimately until recently. I had seen people I knew fight cancer and win, or win for a while, or die suddenly. But not family or close friends. People I knew who were there and then werent there, but who were the age when death takes us somehow anyway. When hearts give out or cancer comes or organs fail or we experience the odd injuries of the very old. I knew enough about cancer at that point to know I ...
Brand™ General Purpose Hydrometer Specific Gravity Range: 1.000 to 1.060g/cm3 Brand™ General Purpose Hydrometer Hydrometers
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What Is a Urine Specific Gravity Test?. The kidneys have several important functions in the body, including eliminating waste products through the urine and regulating the bodys fluid balance. The urine specific gravity (SG) test tells your veterinarian how concentrated your pets urine is (how much water it contains). If the SG is too high, it can mean inadequate amounts of water are being eliminated through the urine. If the SG is too low, it can mean the body is losing too much water through the urine. There is a relatively wide range of normal readings for a urine SG test, but there are also several medical conditions that can affect the result.. Measuring the urine SG can help your veterinarian determine how well your pets kidneys are working. Urine that is too diluted may indicate that the kidneys cant retain enough water to prevent dehydration. Often, urine SG is evaluated along with other urine and blood tests that screen for abnormalities involving the kidneys. Your veterinarian may ...
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Centers RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.. ...
Pain management information for pain medicine healthcare professionals in treating and caring for their patients. Clinical Pain Advisor offers news, case studies and more.
Despite the fact that many refractometers sold to aquarists recommend calibration in pure water, such a calibration alone will not ensure accuracy for the reasons described above. So my recommendation for calibration is as follows:. 1. First calibrate the refractometer in pure freshwater. This can be distilled water, RO (reverse osmosis) water, RO/DI water, bottled water and even tap water with reasonably low TDS (total dissolved solids). Calibrating with tap water that has a TDS value of 350 ppm introduces only about a 1% error in salinity, causing readings in seawater to read a bit low. So 35 ppt seawater (specific gravity = 1.0264) will read to be about 34.7 ppt, and will show a specific gravity of about 1.0261.. This calibration should ordinarily be carried out at room temperature using an ATC refractometer. The directions with some ATC refractometers insist that the calibration be carried out at a specific temperature, but Ive never understood how that could matter and I would not worry ...
Characteristics of albumin binding sites in patients and Chernobyl clean-up workers with type 2 diabetes mellitus. Kalnina, Inta; Kirilova, Elena; Zvagule, Tija; Kurjane, Natalja; Skesters, Andrejs; Silova, Alise; Gabruseva, Natalija; Gorbenko, Galyna; Kirilov, Georgii; Gonta, Svetlana; Pimane, Evija // Journal of Experimental & Integrative Medicine;2013, Vol. 3 Issue 3, p185 Objectives: Albumin is one of the most generously represented proteins in human blood plasma. Therefore it is important to follow and assess the transport function of albumin in clinic researches. Disturbances in structural/functional properties of albumin play an important role in the... ...
You can determine kidney function (cleaning the blood and lymphatic systems) or lack of it by comparing the urine volume to the specific gravity. However, the extent of kidney damage cannot be determined by this test and a physician should be consulted in such cases. Just by comparing the specific gravity to the volume, we can determine the following [when I refer to medical conditions or terms in the following, I am doing so only for convenience and where a medical condition is indicated, you should consult with your physician]:. Polyuria: (excess urine volume above 2400ml) may mean the patient is drinking too many liquids, eating a junk food diet, taking diuretics, or has allergies or underactive adrenals.. Oliguria: (inadequate urine volume of less than 800ml) may mean the patient is not drinking enough liquids, is dehydrated, has overactive adrenal glands, impaired circulation (edema), or is recovering from fever, vomiting or diarrhea.. A high specific gravity with a high or normal urine ...
Specific Gravity (SG) is the weight of substance divided by the weight of an equal volume of water at 23oC. SG is a valuable, non-destructive statistic that is available for identifying unknown mineral specimens. Specific gravity is given in most descriptions of gems and minerals. The specific gravity is obtained by comparing a minerals weight with the weight of a volume of water equal to that of the volume of the mineral. The easiest method to use is to displace the volume of the mineral by dipping it into water. The increase in the water volume when the mineral is dipped is equal to the minerals volume. By convention, 1 gram of water has a volume of one cubic centimeter (1 cm3 = 1 ml). In actual practice the following method may be used : SG =(weight of mineral in air)/(the weight of an equal volume of water) 1) Weigh the unknown specimen while it is dry. 2) Then using a special scale designed for this purpose, weigh the specimen while it is suspended in water. This is done because the ...
As specific gravity was the basis for the Balling, Brix and Plato tables, dissolved sugar content was originally estimated by measurement of specific gravity using a hydrometer or pycnometer. In modern times, hydrometers are still widely used, but where greater accuracy is required, an electronic oscillating U-tube meter may be employed. Whichever means are used, the analyst enters the tables with specific gravity and takes out (using interpolation if necessary) the sugar content in percent by mass. If the analyst uses the Plato tables (maintained by the American Society of Brewing Chemists[2]) he or she reports in °P. If using the Brix table (the current version of which is maintained by NIST and can be found on their website),[3] he or she reports in °Bx. If using the ICUMSA tables,[4] he or she would report in mass fraction (m.f.). It is not, typically, actually necessary to consult tables as the tabulated °Bx or °P value can be printed directly on the hydrometer scale next to the ...
Calculating the API gravity from Liquid density or specific gravity or preloaded database of fluids.API Gravity Calculator. + Calculate the specific gravity from API gravity. + Calculate the Barrels of crude oil per metric ton from API Gravity or select a fluid from the preloaded fluids database to perform the calculation. + Find the classification of oil according to API gravity (Light oil, Medium oil, Heavy oil or Exra heavy oil). There is a small database that has some liquids for faster lookup, the liquids included in API Gravity Calculator are listed below ...
Item Description: Atago PAL-10S Portable Digital Clinical Refractometer for Urine Specific Gravity This Refractometer is for Professionals! Popula
BACKGROUND: The effects of running and cycling on changes in hydration status and body composition during a 24-hour race have been described previously, but data for 24-hour ultra-mountain bikers are missing. The present study investigated changes in foot volume, body composition, and hydration status in male and female 24-hour ultra-mountain bikers. METHODS: We compared in 49 (37 men and 12 women) 24-hour ultra-mountain bikers (ultra-MTBers) changes (Delta) in body mass (BM). Fat mass (FM), percent body fat (%BF) and skeletal muscle mass (SM) were estimated using anthropometric methods. Changes in total body water (TBW), extracellular fluid (ECF) and intracellular fluid (ICF) were determined using bioelectrical impedance and changes in foot volume using plethysmography. Haematocrit, plasma [Na+], plasma urea, plasma osmolality, urine urea, urine specific gravity and urine osmolality were measured in a subgroup of 25 ultra-MTBers (16 men and 9 women). RESULTS: In male 24-hour ultra-MTBers, BM (P ...
Panomex Inc. brings to you a portable Urine Specific Gravity refractometer; Range: 1 to 1.050; equally useful for people and animal testing
My deep six is spot on to my new refractometer. :| I use instant ocean salt which is supposed to be a rapid desolving but it still took about 24hrs for the salanity to quit rising. I guess it needs to
We recieve many calls and emails here at Mr. Beer on how to use a hydrometer. Many of the hydrometer instructions can be confusing to newbies so I thought I would create this primer on the correct way to use a hydrometer and the explanation of specific gravity. Understanding Your Hydrometer: The hydrometer is a simple instrument that measures the weight (or gravity) of a liquid in relation to the weight of water. Because the relation of the gravity to water is specified (1.000), the resulting measure is called a specific gravity. A hydrometer will float higher in a heavy liquid, such as one with a quantity of sugar dissolved in it, and lower in a light liquid, such as water or alcohol. The average homebrewer has a very keen interest in the amount of sugar dissolved in their wort, for yeast converts sugar into carbon dioxide and alcohol. By knowing how much sugar one started with and ended with, one can easily calculate the resulting alcohol content. There are many variants of the hydrometer. ...
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a) 85 percent ester:. (1) Acidity (as acetic acid). Not more than 0.015 percent by weight.. (2) Color. Colorless.. (3) Odor. Characteristic odor.. (4) Ester content. Not less than 85 percent by weight.. (5) Specific gravity at 20 °/20 °C. Not less than 0.882.. (6) Distillation range. (For applicable ASTM method, see 1980 Annual Book of ASTM Standards, Part 29, page 70, Standard No. D 302-58 (1975); for incorporation by reference, see §21.6(b).) When 100 mL of ethyl acetate are distilled by this method, none shall distill below 70 °C., not more than 10 mL shall distill below 72 °C., and none above 80 °C.. (b) 100 percent ester:. (1) Acidity (as acetic acid). Not more than 0.010 percent by weight.. (2) Color. Colorless.. (3) Odor. Characteristic odor.. (4) Ester content. Not less than 99 percent by weight.. (5) Specific gravity at 20 °/20 °C. Not less than 0.899.. (6) Distillation range. (For applicable ASTM method, see 1980 Annual Book of ASTM Standards, Part 29, page 433, Standard No. D ...
Edema can be caused by increased hydrostatic pressure (eg due to venous stasis in the case of varicose veins of the lower limbs), or colloid osmotic pressure reduction (for example due to any disease that results in hypoalbuminemia) significant enough not allow more than the lymphatic vessels to drain fluid that accumulates in the interstitial spaces, inflated. It can be caused by obstruction of the lymphatic vessels, which can no longer drain the interstitial fluid (lymphedema) and excessive sodium retention. In these cases, the liquid that accumulates in the interstitial spaces is called transudate as it has a lower specific gravity was 1.012 kg / m 3, is low in protein and contains no inflammatory cells. Finally, you can have swelling in case of inflammation (inflammatory edema) because it increases vascular permeability. In this case the liquid exudate has accumulated since it has high specific gravity, greater than 1.020kg / m 3, is rich in proteins and inflammatory cells. The swelling ...
C29/C29M Standard Test Method for Bulk Density ("Unit Weight") and Voids in Aggregate. C33/C33M Standard Specification for Concrete Aggregates. C35 Standard Specification for Inorganic Aggregates for Use in Gypsum Plaster. C40/C40M Standard Test Method for Organic Impurities in Fine Aggregates for Concrete. C87/C87M Standard Test Method for Effect of Organic Impurities in Fine Aggregate on Strength of Mortar. C88 Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate. C110 Standard Test Methods for Physical Testing of Quicklime, Hydrated Lime, and Limestone. C117 Standard Test Method for Materials Finer than 75-μm (No. 200) Sieve in Mineral Aggregates by Washing. C123/C123M Standard Test Method for Lightweight Particles in Aggregate. C127 Standard Test Method for Relative Density (Specific Gravity) and Absorption of Coarse Aggregate. C128 Standard Test Method for Relative Density (Specific Gravity) and Absorption of Fine Aggregate. C131/C131M Standard ...
Physical and chemical changes in sweet potato roots were studied with regard to seguential harvesting time and various traditional and conventional storage conditions. Nutritional constitution and cooking characteristics were also considered in three selected cultivars. In addition, objective evaluation of changes in textural properties of stored roots and the degradation kinetics of vitamin constituents were investigated. Increases in weight, specific gravity and dry matter content of the Cv. KSP 20 roots with chronological age could be described by definite mathematical relationships using a computer program. Maximum dry matter accumulation in Cv. KSP 20 occurred in 160 days after planting and corresponded to the onset of foliage senescence. Roots of various weights were found to be significantly different in physical and chemical composition. Total solids, specific gravity, vitamin C and reducing sugar content all depended on the root weight. Total solids and root weight were found to be ...
Renal Failure Bullet Notes Oligura- urine output less than 400ml/day Anuria- Urine output less than 50ml/day Higher specific gravity= MORE concentrated urine Lower specific gravity= Dilute- more watery Acute Renal Failure- Reversable- Sudden and almost complete loss of kidney fxn over hours to days. Increase in serum creatnine and BUN 3 Types ARF: Pre-Renal-…
A centrifuge method and apparatus particularly useful for desulfurizing slurry coal, and for removing mineral impurities therefrom, so that such coal may be more economically transported in pipeline systems. A slurry of finely-divided coal and impurities is forced upwardly at a predetermined velocity into the chamber of a rotating centrifuge rotor having frusto-conical upper and lower inner surfaces disposed with their apexes meeting along an intermediate apex line. Rotational movement is imparted to the upwardly-directed stream, and coal particles (i.e., particles of lower specific gravity) follow a trajectory leading them into contact with the upper frusto-conical surface, whereas impurities (particles of greater specific gravity) follow a trajectory leading to the lower frusto-conical surface. The respective fractions are directed along such surfaces in opposite axial directions under the influence of centrifugal force, and outlets provided at the upper and lower ends of the rotor allow for the
The prevalence of diabetes along with the perceived impact of sugar on health in general has increased the demand for reduced-sugar and sugar-free baked products. Cakes typically contain large quantities of sucrose which affects not only flavor but also color, volume, and texture. This study evaluated the effect of replacing sucrose in white layer cakes with polydextrose and two artificial sweeteners: sucralose and stevia extract. White layer cakes were made using AACCI Method 10-90.01. Batter properties were evaluated by measuring specific gravity. Volume index was measured using a cake template (AACCI Method 10-91.01). Slice area, number of cells, number of holes, and wall thickness of the crumb were calculated and recorded using C-Cell Cake Imaging system. Control batter made with 135% water had a specific gravity of 0.90 g/cc and a cake volume index of 112. The cakes had a nicely golden brown, shiny surface. The crumb grain was fine with an even cell distribution. Optimum water level and ...
A used oil boom part is disposed of in Louisiana. (Reuters). BP has challenged widespread scientific claims that vast plumes of oil are spreading underwater from its blown-out rig in the Gulf of Mexico. The denial comes as the oil giant prepares for a new operation to put an end to the worst oil spill in US history - which could see the leak get worse before it gets better.. The companys challenge to several scientific studies is likely to put it further at odds with an increasingly angry Obama administration, which has accused it of playing down the size of the leak in an effort to limit possible fines.. BPs chief executive, Tony Hayward, said it had no evidence of underwater oil clouds. "The oil is on the surface," he said. "Oil has a specific gravity thats about half that of water. It wants to get to the surface because of the difference in specific gravity.". Haywards assertion flies in the face of studies by scientists at universities in Florida, Georgia and Mississippi, among other ...
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ProK or Proteinase K is a serine protease produced by Tritirachium album. The enzyme catalyzes hydrolysis of most peptide bonds. Its used in the extraction to digest the majority of native proteins in the tissue or cell sample. This has the two-fold benefit of making the DNA accessible while destroying potentially damaging nucleases. Phenol and chloroform are both organic solvents that are used in the extraction to dissolve and denature proteins. Phenol alone is insufficient to denature RNases, so it is crucial to have another organic solvent present for RNA extractions. In addition the specific gravity of phenol is close to pure water (1.07 compared to 1.00). High salt content in the aqueous phase can result in the organic phase being on top, making extractions difficult. The high specific gravity of chloroform ensures that the aqueous phase is always on top after centrifugation. Isoamyl alcohol helps keep proteins denatured, but also functions as an anti-foaming agent. The final pass with ...
Return to the Glossary of Terms Index. Information in this glossary was compiled from a variety of sources. As outlined in this sites Terms of Use, MSDSonline is not responsible for the accuracy, content or any aspect of the information contained therein. Any trademarks and/or brand names used in this index are the property of their respective owners.. ...
The specific gravity of a metal or alloy is merely the weight in grams of one cubic centimeter. When it is more convenient to work in troy weights, the number of ounces per cubic inch of any metal or alloy may be found by multiplying its specific gravity by the constant 0.52686.. ...
I grew up during the Kennedy Presidency. It was a time when the best and the brightest sat center stage in the nations psyche. Ive always remembered the story, that at an arts gala at the White House, Kennedy looked around the room and proclaimed it "the greatest gathering of talent since Thomas Jefferson dined alone." Without the benefit of such trappings, Ive had the opportunity, for the past nineteen years, to have a seat at an international banquet of ideas and history. My radio program provided me a unique opportunity to "travel" around the world and speak to thousands of the most imaginative thinkers and leaders in the arenas of politics, religion, journalism, business, popular culture, academics, science, economics, history, and medicine. During these years, I have taken many people with me on this journey. It has been a momentous time. The trauma of politics, the onslaught of technology, the insights of science, and the changes in the human condition make this a period almost ...
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I grew up during the Kennedy Presidency. It was a time when the best and the brightest sat center stage in the nations psyche. Ive always remembered the story, that at an arts gala at the White House, Kennedy looked around the room and proclaimed it "the greatest gathering of talent since Thomas Jefferson dined alone." Without the benefit of such trappings, Ive had the opportunity, for the past nineteen years, to have a seat at an international banquet of ideas and history. My radio program provided me a unique opportunity to "travel" around the world and speak to thousands of the most imaginative thinkers and leaders in the arenas of politics, religion, journalism, business, popular culture, academics, science, economics, history, and medicine. During these years, I have taken many people with me on this journey. It has been a momentous time. The trauma of politics, the onslaught of technology, the insights of science, and the changes in the human condition make this a period almost ...