Determination of potassium potassium. Medical search. Frequent questions

The method is applicable to a concentration range of 0,08 to 3 % (m/m) of potassium and 0,02 to 1 % (m/m) of sodium. (iso.org)
ISO 12830:2011 specifies the procedure for the determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium by atomic absorption spectrometry or by plasma emission spectrometry. (iso.org)
An optode device that contains two optical ion-selective membranes for potassium and sodium was used to obtain optode spectra of mixtures of these two ions. (edu.hk)
Moreover, furosemide and bumetanide, two inhibitors of sodium-coupled and/or potassium-coupled chloride movement strongly modified the phase shift, suggesting an involvement of two neuronal cotransporters, NKCC1 (Na-K-Cl) and KCC2 (K-Cl) in the genesis of the optical signal. (jneurosci.org)
After the digestion, potassium iodide and sodium borohydride are added automatically. (usgs.gov)
In a 2.50 mL reaction mix, the final concentrations are 105.6 mM potassium phosphate, 14.4 mM sodium phosphate, 1.2 mM ethylenediamine tetraacetic acid, 2.4 mM L-cysteine, 0.07% (v/v) Brij 35, 0.006 mM Nα-CBZ-Arg-Arg-7-amido-4-methylcoumarin, 0.0525% (v/v) dimethyl sulfoxide, and 0.2 - 0.4 units of Cathepsin B. (sigmaaldrich.com)
The iodine shal be added in the form of iodate usual y as potassium, or sodium salt. (who.int)
Determine the approximate concentration (mil igram of bromine per mil ilitre) by adding (from a burette) measured volume to a flask containing 5 mL of 10 percent potassium iodide solution and 5 mL dilute sulphuric acid and titrating the liberated iodine with 0.05 M sodium thiosulphate solution. (who.int)
A-2.4 Sodium sulphite solution - approximately 1% (m/v). A-2.5 Phenol solution - approximately 5% (m/v). A-2.6 Potassium iodide solution - approximately 10% m/v. A-2.7 Standard sodium thiosulphate solution - 0.0025 M. Prepare 0.05 M solution by dissolving 25 g of sodium thiosulphate A.R. grade in 1000 mL of water. (who.int)
The diuretic effect of spironolactone is mediated through its action as a specific pharmacologic antagonist of aldosterone, primarily by competitive binding of receptors at the aldosterone-dependent sodium-potassium exchange site in the distal convoluted renal tubule. (nih.gov)
The sodium, potassium, calcium and magnesium contents were less than 1% each, with calcium having the highest concentration, followed by phosphorous. (scialert.net)
Sodium acetate is a very efficient sorber for hydrogen fluoride, and its solubility in water proves to be highly advantageous for subsequent HF determination by ion selective electrode. (cdc.gov)
La haute teneur en sel du pain blanc pourrait être un facteur qui contribue à la forte consommation de sodium au Maroc, surtout quand nous savons que le pain est un aliment de base dans le pays. (who.int)
Toutes les politiques et initiatives visant à réduire la consommation de sodium devraient cibler le pain comme outil stratégique pour réduire l'apport en sel. (who.int)

and suitable solvents such as hydrochloric acid and potassium hydroxide solution. (astm.org)
Potassium phosphate monobasic is also produced by using the same process of reacting phosphoric acid (weak acid) and potassium hydroxide (commonly known as caustic potash) that is used for other salts. (caissonlabs.com)
This highly soluble inorganic compound is also produced by using cheaper raw materials like potassium chloride in place of potassium hydroxide. (caissonlabs.com)
The pH is measured and if necessary adjusted to 7.4 ± 0.2 with phosphoric acid or potassium hydroxide. (europa.eu)

The Minister of Health, Alexandru Rafila, on Monday stated, in Ploiesti, that a campaign to distribute will start next week to distribute potassium iodide pills to the eligible population. (nineoclock.ro)
A-2.10 Potassium iodide for control determination - Dissolve 0.3280 g potassium iodide in water and make up the volume to 250 mL. (who.int)
1.0 mg iodine or 1.308 mg potassium iodide) for control determination. (who.int)

A unsanded contrasting tile grout, black carbon lamp, waterproof black ink, washable ink, potassium permanganate solution, and methylene blue solutions are the staining agents required for this test method. (astm.org)
Potassium permanganate impregnated silica gel sorbs phosphine effectively, and Ascarite has been found to sorb hydrogen cyanide, but quantitative experiments on the latter two systems are still in progress. (cdc.gov)

In patients with hypokalemia and diabetic ketoacidosis, part of the potassium dose should be administered as potassium phosphate. (medscape.com)
Potassium phosphate monobasic an inorganic compound containing two important components (phosphate and potassium) that plays a significant role in providing nutrients to plants for developmental and growth purposes [1]. (caissonlabs.com)
Potassium phosphate monobasic is a water-soluble salt of dihydrogen phosphate ion and potassium. (caissonlabs.com)
Potassium phosphate monobasic is available in the form of poly bottles of 5g, 50g, 100g, and 500g. (caissonlabs.com)
Potassium phosphate monobasic is also available in the market under different labels like Potassium dihydrogen phosphate, Mono-potassium monophosphate, Potassium acid phosphate, Sorensen's potassium phosphate, Potassium phosphate, monobasic, 99%, for analysis, UNII-4J9FJ0HL51, and Chlorine Titrimeter Reagent [8]. (caissonlabs.com)
The formula of mono potassium phosphate is KH 2 PO 4 . (caissonlabs.com)
The structure of potassium phosphate monobasic is shown below [1]. (caissonlabs.com)
This reaction leads to the production of potassium phosphate monobasic. (caissonlabs.com)
The practical applications of potassium phosphate monobasic are described below in specific detail [7][9]. (caissonlabs.com)
Potassium Phosphate Monobasic is typically used in the cultural isolation of specific protein from bacterial cells. (caissonlabs.com)
Potassium Phosphate Monobasic is properly used in the adequate preparation of the defined medium for porcine embryos that correctly is PZM-3 medium. (caissonlabs.com)

Samples are prepared for analysis by addition of potassium and hydrochloric acid followed by an autoclave digestion. (usgs.gov)

Oral potassium chloride is the usual choice for replenishment of potassium levels and for maintenance of potassium levels in patients with ongoing potassium loss (eg, those on thiazide diuretics). (medscape.com)
Potassium chloride is absorbed easily and can be given several times per day if needed, especially if high-dose diuretic therapy is required. (medscape.com)
Potassium chloride is the preferred salt for patients with preexisting alkalosis. (medscape.com)
Unflavored liquid potassium chloride has an unpleasant taste, so pills may be conducive to better compliance. (medscape.com)
and chloride 96 mmol/L (reference 99-109 mmol/L). A venous blood gas determination on room air showed a pH of 7.464 (reference 7.35-7.45kPa) and carbon dioxide partial pressure of 4.9 kPa (reference 4.7-6.0 kPa). (cdc.gov)
ECG of patient with pretreatment potassium level of 7.8 mEq/L and widened QRS complexes after receiving 1 ampule of calcium chloride. (medscape.com)

Assessment of potassium levels in agricultural soils of Nyamira County, Kenya was necessitated by the observed progressive drops in maize acreage yields over the years despite use of phosphorus and nitrogenous fertilizers. (ac.ke)
In the study, concentration levels of potassium and other soil fertility indices such as, organic carbon, cation exchange capacity, exchangeable cations, soil pH, available nitrogen, total and available phosphorus were determined. (ac.ke)
This document specifies an inductively coupled plasma-optical emission spectrometer (ICP-OES) method for the determination of the ammonium citrate, disodium-etheylenediamine tetraacetic acid (EDTA) soluble phosphorus and potassium content in fertilizer extract solutions. (iso.org)

Thus, it is suggested to limit the consumption of vegetables, because they generally contain high concentrations of potassium. (mdpi.com)

Significant increases in soil microbial biomass, microbial population and enzyme activities were recorded after addition of potassium fertilizer and these improvements became generally more noticeable with the increase of potassium applied rates. (scialert.net)

Research by Dr. Paul Friedman , M.D. and his colleagues at the Mayo Clinic demonstrated that the ECG can be used to quantify serum potassium as a significant enhancement to traditional morphology analysis. (prnewswire.com)
The relationship between the serum potassium level and symptoms of hyperkalemia is not consistent. (medscape.com)
These changes are typically seen at a serum potassium level of 5.5-6.5 mEq/L. (medscape.com)
Widened QRS complexes in patient whose serum potassium level was 7.8 mEq/L. (medscape.com)
At a serum potassium level higher than 8.0 mEq/L, the ECG shows absence of P wave, progressive QRS widening, and intraventricular/fascicular/bundle-branch blocks. (medscape.com)

Increased nutrient withdrawal by rapidly expanding intensive cropping systems, in combination with imbalanced fertilization, is leading to potassium (K) depletion from agricultural soils in Asia. (mdpi.com)

A method for selective extraction of Mn(II) with dithizone and potassium thiocyanate has been described. (csircentral.net)
The method involves formation of a Mn(II)-thiocyanate-dithizone complex in a hexamine medium containing potassium thiocyanate (2.8M), dithizone (5.5-6.5 x 10(-5)M) and hydroxylamine hydrochloride (0.25%) at pH approximately 6 followed by extraction of the complex on polyurethane foam using batch squeezing mode within 1 hr. (csircentral.net)
The determination of cyanide in body fluids requires the separation of cyanide from thiocyanate, usually by distillation of cyanides or microdiffusion into an absorber solution. (cdc.gov)

Because they inhibit renal potassium excretion, ACE inhibitors can ameliorate some of the hypokalemia that can occur with use of thiazide or loop diuretics. (medscape.com)
In addition, patients with heart failure often are treated with angiotensin-converting enzyme (ACE) inhibitors or angiotensin II receptor blockers (ARBs), classes of drugs that inhibit renal potassium excretion. (medscape.com)
In patients with mild renal insufficiency, the combination of an ACE inhibitor, a potassium-sparing diuretic, and a potassium supplement can very easily result in life-threatening hyperkalemia. (medscape.com)
Potassium-sparing diuretics are generally used only in patients with normal renal function who are prone to significant hypokalemia. (medscape.com)
Potassium is essential for transmission of nerve impulses, contraction of cardiac muscle, maintenance of intracellular tonicity, skeletal and smooth muscles, and maintenance of normal renal function. (medscape.com)
Gradual potassium depletion may occur via renal excretion, through gastrointestinal loss, or because of low intake. (medscape.com)
Measurement of the trans-tubular potassium gradient (TTKG) remains widely used as a means of assessing whether decreased renal excretion of potassium is contributing to hyperkalemia. (medscape.com)

The accuracy of the adopted K 2 potential-energy curves and transition dipole moments is established by computing the vibration-rotation levels and the radiative lifetimes of the excited molecular states and by determining the variation law with temperature of the diffusion coefficient of atomic K(4p) in a ground potassium gas. (epj.org)
Antimony hydride (stibine) gas is generated, then swept into a heated quartz cell for determination of antimony by atomic absorption spectrophotometry. (usgs.gov)

The principle of this method is based on the conversion of hemoglobin to cyanmethemoglobin by the addition of potassium cyanide and ferricyanide whose absorbance is measured at 540 nm in a colorimeter or spectrophotometer against a standard solution. (who.int)

Fractionation of potassium was achieved by sequential extraction of soil sampleswith distilled water, ammonium acetate and nitric acid in that order. (ac.ke)
Nitric acid extracted potassium had a mean of 149. (ac.ke)

The method is based on the formation of stable phenothiazine free radical by the use of potassium periodate as the chromogenic reagent in sulphuric acid medium. (uni-mysore.ac.in)

Additionally, the spironolactone component helps to minimize the potassium loss characteristically induced by the thiazide component. (nih.gov)

The insolubility of this compound has been used to determine the concentration of potassium ions by precipitation and gravimetric analysis: K+ + NaB(Ph)4 → KB(Ph)4 + Na+ The compound adopts a polymeric structure with bonds between the phenyl rings and potassium. (wikipedia.org)

Influence of Nitrogen and Potassium Fertilization on Fruiting and Capsaicin Content in Habanero Pepper (Capsicum chinense Jacq. (ashs.org)
Potassium fertilization had no positive effects on growth or productivity. (ashs.org)
Both soil water levels and potassium fertilization rates should be considered as good factors in governing soil biological properties in clayey soils. (scialert.net)

Concentration levels of potassium in the extracts were determined using a flame photometer. (ac.ke)

The cyanmethemoglobin measurement is the reference laboratory method for the quantitative determination of haemoglobin and is used for comparison and standardization of other methods. (who.int)
along with addi- tional laboratory determinations. (cdc.gov)

Potassium concentration levels obtained from the water soluble soil extracts were used to calculate thermodynamic parameters such as free energy of replacement, potassium activity ratio and ionic strength of the soil solution. (ac.ke)
The relationship between the adsorbed and equilibrium potassium concentration, quantity/intensity was determined by plotting Freundlich adsorption isotherms. (ac.ke)
The isotherm was used to determine the buffering capacity ofpotassium and the concentration levels of potassium adsorbed on un-specific sites in the soil. (ac.ke)
Therefore, the determination of the biological results was based on the nominal concentration. (europa.eu)

As is shown by using the HPLC method on samples stored at different temperatures and under different atmospheric conditions, the decomposition of potassium clavulanate in the solid state follows another mechanism: The decomposition products formed in the solid phase do not have any catalytic effect [8]. (netzsch.com)
We would especially like to thank J. L. Kulp, of the Lamont Geological Observatory of Columbia University, and S. S. Goldich, of the U. S. Geological Survey, for age determinations performed on some Kansas core samples. (ku.edu)

This theoretical work reports full quantum-mechanical analysis of the potassium far-wing photoabsorption spectra. (epj.org)

A simple, rapid and sensitive method for the determination of six phenothiazine drugs, either in pure form or in pharmaceutical formulations, is described. (uni-mysore.ac.in)

ECG changes have a sequential progression, which roughly correlate with the potassium level. (medscape.com)

From the study available potassium in the soils ranged from 57 to 70 mg/kg and had amean value of 60±5.54.2 mg/kg (ammonium acetate method). (ac.ke)

The potassium buffering capacity of the soils was found to have a mean of 1.189±0.06 mg/kg. (ac.ke)

In a patient who does not have a predisposition to hyperkalemia, repeat the blood test before taking any actions to bring down the potassium level, unless changes are present on electrocardiography (ECG). (medscape.com)
ECG findings generally correlate with the potassium level, but potentially life-threatening arrhythmias can occur without warning at almost any level of hyperkalemia. (medscape.com)

More age determinations are needed with improvements of the statistical methods. (unige.ch)

ABSTRACT Accurate, economical methods for haemoglobin determination by laboratories in countries with limited resources are not available. (who.int)
that blood haemoglobin determination for 1. (who.int)
This methodology of haemoglobin determination has been shown to be stable and durable in field settings. (who.int)

For example, the health indicators that are uncovered may have implications for patients who are at risk from marked changes in blood potassium levels, such as those with kidney failure. (prnewswire.com)
Unlike the healthy population, for the patients with impaired kidney function, it is of course prudent to recommend a restriction of high-potassium foods. (mdpi.com)
For example, patients with a chronically elevated potassium level may be asymptomatic at much higher levels than other patients are. (medscape.com)

A greenhouse trial was carried out in Department of Soil and Water Sciences, Faculty of Agriculture, Benha University, Egypt from November 2012 to May 2013 to determine the effect of different potassium rates and water regimes on soil microbial properties in a clayey soil. (scialert.net)
Cumulative CO 2 was also affected by potassium and soil water rates and its highest values were found after 120 days of incubation. (scialert.net)

Frequent determination of potassium levels is mandatory. (medscape.com)
It has long been understood that dangerously abnormal potassium levels can impact the morphology of an ECG. (prnewswire.com)
The rapidity of change in the potassium level influences the symptoms observed at various potassium levels. (medscape.com)

A sample for the analytical determination was taken. (europa.eu)

The water soluble potassium ranged from 1.8 to 2.2 mg/kg with a mean of 2.02±0.16 mg/kg. (ac.ke)
It is a colourless salt that is a rare example of a water-insoluble salt of potassium. (wikipedia.org)
The experiment was factorial with twelve treatments (4 potassium rates×3 water regimes) in triplicates. (scialert.net)

Potassium clavulanate (figure 1) is a salt of clavulanic acid which is a major ß-lactam antibiotic produced by the organism Streptomyces clavuligerus [1]. (netzsch.com)
Potassium tetraphenylborate is the salt with the formula KB(C6H5)4). (wikipedia.org)

These findingsreveal the extent of potassium depletionin the soils of this region and will form a baseline for working acreage potassium doses required for remediation. (ac.ke)

The key step within assignment of the hazard-specific SK is the determination of the hazard potential of the substance, or its potential for causing adverse health effects as a result of skin exposure. (cdc.gov)

However, hypokalemia may result from the movement of potassium into cells without loss of potassium from the body. (medscape.com)

The mean free energy of replacement, Δ, was found to be −3572±44.98 cal/mol indicating that the soils have low supplying power of potassium. (ac.ke)
Electrolytes can be used as oral or parenteral therapy for potassium replacement. (medscape.com)

Further, the three mass-loss steps identified between 120°C and 600°C are due to the decomposition of potassium clavulanate. (netzsch.com)
In general, a 1 mEq/L drop in potassium correlates to a loss of 100-200 mEq of total body potassium. (medscape.com)

Anatomy19

Organisms18

Diseases10

Chemicals and Drugs125

Analytical, Diagnostic and Therapeutic Techniques and Equipment38

Phenomena and Processes37

Disciplines and Occupations4

Technology, Industry, Agriculture1

Information Science4

Named Groups1

Health Care4

Sodium14

Hydroxide4

Iodide3

Permanganate2

Phosphate11

Hydrochloric acid1

Chloride6

Phosphorus3

Concentrations1

Fertilizer1

Serum potassium5

Agricultural soils1

Thiocyanate3

Renal7

Atomic2

Cyanide1

Nitric acid2

Sulphuric acid1

Thiazide1

Gravimetric1

Fertilization3

Flame1

Laboratory2

Concentration4

Samples2

Spectra1

Method for the determination1

Sequential1

Ammonium1

Capacity1

Hyperkalemia2

Improvements1

Haemoglobin determination3

Patients3

Soil2

Levels3

Analytical1

Water3

Salt2

Form1

Substance1

Cells1

Replacement2

Loss2