Loading...
*  Delta ratio
... while bicarbonate and hydrogen ions diffuse with ease (as H₂CO₃, carbonic acid), the usual result will be closer to a delta ... A normal anion gap acidosis (NAGMA) has more to do with a change in [Cl¯]) or [HCO3¯] concentrations. So the AG doesn't change ... and reflects either an increase in the anion gap or a decrease in the bicarbonate concentration ([HCO3¯]). The ratio gives one ...
*  Magnesium monohydride
The trihydride ion is produced the most, and in a greater proportion when pure hydrogen is used rather than ammonia. The ... Otherwise in these stars, below any magnesium silicate clouds where the temperature is hotter, the concentration of MgH is ... The distance between hydrogen and magnesium atoms is 1.7297Å. The ground state of magnesium monohydride is X2Σ+. Due to the ... Thermally produced hydrogen atoms and magnesium vapour can react and condense in a solid argon matrix. This process does not ...
*  Carsten Olsen
The influence of hydrogen ion concentration. Physiologia Plantarum, 6, 848-858. Olsen, C. (1954) Hvilke betingelser må være ... 2] Olsen, C. (1923) Studies on the hydrogen ion concentration of the soil and its significance to the vegetation, especially to ... Olsen, C. & Linderstrøm-Lang, K. (1927) On the accuracy of the various methods of measuring concentration of Hydrogen ions in ... Olsen, C. (1921) The concentration of hydrogen ions in the soil. Science 54 (1405), 539-541. [1] Olsen, C. (1921) The ecology ...
*  Agnes J. Quirk
Quirk AJ (1923). Hydrogen-ion concentration vs. titratable acidity in culture mediums. Quirk AJ, Fawcett, EH (1926). A Begonia ... Agnes J. Quirk (1923). Hydrogen-ion concentration vs. titratable acidity in culture mediums. Retrieved 30 March 2012. Ogilvie, ...
*  Jesse Francis McClendon
McClendon J. F. New hydrogen electrodes and rapid methods of determining hydrogen ion concentrations. Amer. J. Physiol., 1915, ... The hydrogen ion concentrations of the contents of the small intestine. J. of Biological Chemistry, Feb 19, 1918. XXXIV, No 1. ... McClendon J. F. A direct reading potenciometer for measuring hydrogen ion concentration. Amer. J. Physiol., 1915, 38, 2, 186. ... stomachs and duodenums of adults and infants plotted with the acid of imported methods of measuring hydrogen ion concentration ...
*  Arthur W. Thomas
Thomas, A. W., & Kelly, M. W. (1923). The influence of hydrogen-ion concentration in the fixation of vegetable tannins by hide ... Thomas, A. W. (1920). Tabulation of hydrogen and hydroxyl ion concentrations of some acids and bases. Journal of the American ... Influence of hydrogen-ion concentration upon enzymatic activity of three typical amylases. Journal of the American Chemical ... Contrasting effects of chlorides and sulfates on the hydrogen-ion concentration of acid solutions. Journal of the American ...
*  Benjamin Karpman
The hydrogen ion concentrations of the contents of the small intestine. Journal of Biological Chemistry, Feb 19, 1918. XXXIV, ...
*  Ranitidine
This results in decreased gastric acid secretion and gastric volume, and reduced hydrogen ion concentration. Absorption: Oral: ... Ranitidine enters breast milk, with peak concentrations seen at 5.5 hours after the dose in breast milk. Caution should be ...
*  Gastroenterology
McClendon J. F. New hydrogen electrodes and rapid methods of determining hydrogen ion concentrations. - Amer. J. Physoil., 1915 ...
*  Radio Malt
Redman, Thirza (1929). "The hydrogen ion concentration and the calcium and phosphorus content of the faeces of rachitic ...
*  Acidic oxide
... they are not Arrhenius acids because they do not increase the hydrogen ion concentration of water. However, they are Lewis ...
*  Alkalosis
... is the result of a process reducing hydrogen ion concentration of arterial blood plasma (alkalemia). In contrast to ... mechanisms for this would include increased dissociation of the carbonic acid buffering intermediate into hydrogen ions, and ... Metabolic alkalosis is usually accompanied by low blood potassium concentration, causing, e.g., muscular weakness, muscle pain ... It may also cause low blood calcium concentration. As the blood pH increases, blood transport proteins, such as albumin, become ...
*  Reversible hydrogen electrode
The hydrogen ion concentration is therefore not 1, but corresponds to that of the electrolyte solution; in this way we can ... Dynamic hydrogen electrode Palladium-hydrogen electrode Cai, Yu; Anderson, Alfred B. (2004). "The reversible hydrogen electrode ... The reversible hydrogen electrode is a fairly practical and reproducible electrode "standard." The term refers to a hydrogen ... A reversible hydrogen electrode (RHE) is a reference electrode, more specifically a subtype of the standard hydrogen electrodes ...
*  Neutrophile
... s are adapted to live in an environment where the hydrogen ion concentration is at equilibrium. They are sensitive ... to the concentration, and when the pH become too basic or acidic, the cell's proteins can denature. Depending on the microbe ...
*  Hexamethylenetetramine
A. (1935). "HEXAMINE AS AN URINARY ANTISEPTIC: I. ITS RATE OF HYDROLYSIS AT DIFFERENT HYDROGEN ION CONCENTRATIONS. II. ITS ...
*  Guar
The borate-guar reaction is reversible, and depends on the pH (hydrogen ion concentration) of the solution. Crosslinking of ... Guar gum is often crosslinked with boron or chromium ions to make it more stable and heat-resistant. The crosslinking of guar ... Thanks to the latter, it exhibits a great hydrogen bonding activity having a viscosifying effect in liquids. It is known as ... PHGG as sold commercially is completely soluble, acid and heat stable, unaffected by ions, and will not gel at high ...
*  Hydroponics
pH meter, a tool that uses an electric current to determine the concentration of hydrogen ions in solution. Litmus paper, ... disposable pH indicator strips that determine hydrogen ion concentrations by color changing chemical reaction. Graduated ... Acceptable concentrations for the individual nutrient ions, which comprise that total ppm figure, are summarized in the ... Nevertheless, generally acceptable concentrations for nutrient solutions exist, with minimum and maximum concentration ranges ...
*  Hypocapnia
Chemoreceptors in the body sense a change in partial pressures and pH (hydrogen ion concentration) in the blood. Chemoreceptors ... leading to lowered plasma calcium ions and increased nerve and muscle excitability. This explains the other common symptoms of ...
*  Dennis Robert Hoagland
1924 The Electrical Charge on a Clay Colloid as Influenced by Hydrogen-Ion Concentration and by Different Salts. With W. C. ... Res., 7:3. 1917 The Effect of Hydrogen and Hydroxyl Ion Concentration on the Growth of Barley Seedlings. Soil Sci., 3(6) 547- ... Hydrogen-Ion Effects and the Accumulation of Salt by Barley Roots as Influenced by Metabolism. With T. C. Broyer. Am. J. Bot., ... The Relation of Concentration and Reaction of the Nutrient Medium to the Growth and Absorption of the Plant. J. Agr. Res., 18(2 ...
*  Paracoccidioides brasiliensis
1969). "Effect of hydrogen ion concentration and of temperature on the growth of Paracoccidioides brasiliensis in soil extract ...
*  Equilibrium chemistry
It includes hydroxide complexes because the concentration of the hydroxide ions is related to the concentration of hydrogen ... Hydrogen ion concentration can be increased by the presence of carbon dioxide, which behaves as a weak acid. H2O + CO2 ⇌ {\ ... H+ as this shows that when hydrogen ion concentration increases the equilibrium is shifted to the left in accordance with Le ... In solution chemistry, it is usual to use H+ as an abbreviation for the solvated hydrogen ion, regardless of the solvent. In ...
*  PH
The concentration of hydroxide ions in water is related to the concentration of hydrogen ions by [ O H − ] = K W [ H + ] {\ ... Since addition of hydroxide reduces the hydrogen ion concentration, and the hydroxide ion concentration is constrained by the ... it is possible to measure the concentration of hydrogen ions directly, if the electrode is calibrated in terms of hydrogen ion ... Since the concentrations of acid and alkaline are known, it is easy to calculate the concentration of hydrogen ions so that the ...
*  PH meter
The glass electrode for measuring the pH has a glass bulb specifically designed to be selective to hydrogen-ion concentration. ... which provides binding sites for alkali-metal ions and hydrogen ions from the solutions. This provides an ion-exchange capacity ... Selectivity for hydrogen ions (H+) arises from a balance of ionic charge, volume requirements versus other ions, and the ... On immersion in the solution to be tested, hydrogen ions in the test solution exchange for other positively charged ions on the ...
*  Buffer solution
They are concentration effects and reflect the fact that pH is related to the logarithm of the hydrogen ion concentration. ... The hydrogen ion concentration decreases by less than the amount expected because most of the added hydroxide ion is consumed ... CA is the analytical concentration of the acid, CH is the analytical concentration of added hydrogen ions, βq are the ... Because of this, the hydrogen ion concentration increases by less than the amount expected for the quantity of strong acid ...
*  Determination of equilibrium constants
When the pH (or equivalent e.m.f., E).is measured, the free concentration of hydrogen ions, [H], is obtained from the measured ... Constant-boiling hydrochloric acid may also be used as a primary standard for hydrogen ion concentration. It is assumed that ... A solution of known hydrogen ion concentration may be prepared by standardization of a strong acid against borax. ... With aqueous solutions the concentrations of proton (hydronium ion) and hydroxide ion are constrained by the self-dissociation ...
*  Sulfide
"Hydrogen sulfide" is itself an example of a non-systematic name of this nature. However, it is also a trivial name, and the ... Sulfide does not exist in appreciable concentrations even in highly alkaline water, being undetectable at pH < ~15 (8 M NaOH). ... Examples of such naming are selenium disulfide and titanium sulfide, which contains no sulfide ions whatsoever. Sulfide is also ... Hydrogen sulfide, some of its salts, and almost all organic sulfides have a strong and putrid stench; rotting biomass releases ...
*  Acidosis
... an increased hydrogen ion concentration). If not further qualified, it usually refers to acidity of the blood plasma. The term ...