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photometric determination of potassium ion concentra

Interfering ions in the flame photometric determination of ...

Koch, William George, "Interfering ions in the flame photometric determination of certain cations" (1953). Graduate Student Theses, Dissertations, & Professional Papers. 8303. ... reported that sulfate and chloride ion show little effect on sodium# potassium# and calcium; but sodium# potassium#

Determination of sodium, potassium, and water in human red ...

Scand J Clin Lab Invest. 1966;18(2):151-66. doi: 10.3109/00365516609051811. Authors J Funder, J O Wieth

(PDF) Determination of Potassium, Sodium, and Total ...

A simple flow injection with flame photometric detection has been developed for determination of sodium, potassium, and total alkalies in portland cement, fly ash, admixtures, and water of concrete.

(PDF) Flame photometric determination of salinity in ...

The flame photometric determination of sodium and potassium in plant ash extracts has been studied with particular reference to interferences; the instrument used was a Beckman spectrophotometer ...

volumetric determination of potassium ion concentrat

It is the number of parts of by volume of solute per hundred parts by volume of solution. ..... For determination of concentration of ions in solution, first we have to write ... Concentration of potassium ion, [K+] = 2 × [ K2CO3 ] = 2 × 0.40 M = 0.80 M. Read more

Comparison of methods for sodium and potassium ...

Objective: To compare results for sodium and potassium determination on llama urine, using flame emission spectrophotometry (flame photometry), atomic absorption spectrophotometry (AAS), indirect ion-selective electrode potentiometry (ISE), and direct ISE. Design: Llama urine samples encompassing a wide range of electrolyte concentrations were analyzed for sodium and potassium concentrations ...

PHOTOMETRIC DETERMINATION OF POTASSIUM IN …

PHOTOMETRIC DETERMINATION OF POTASSIUM IN BIOLOGICAL MATERIALS BY RUBENS SALOMB PEREIRA (From the Laboratory of General and Animal Physiology, Department of Zoology, C’niversity of XQ†o Paulo, Silo Paulv, Brazil) (Received for publication, April 17, 1945) In the course of work in this laboratory (l-2) the need of simple, sensi- tive, and reasonably accurate …

Photometric Determination Of Potassium Ion Concentra

Flame Photometric Determination Of Sodium And Potassium. The sensitivity of the potassium determination in the coal-gas flame is about equal to that in the acetylene flame, which shows that the potassium atoms are easily excited the temperature level of the coal-gas flame is apparently sufficiently high for a maximal potassium emission. Ftp. 50.

ANALYTICAL HANDBOOK FOR THE DETERMINATION OF

The cocrystallization and photometric technique as described by Portman and Riley (1964) is outlined below. 1. Ascorbic Acid 5% W/V Reagents 2. Thionalide (thioglycollic-,8 -aminonaphthalide) 2% W/V in acetone 3. Sulphuric Acid 5N) 4. Ascorbic Acid 0.1 m (prepare daily) 5. Potassium Antimonyl Tartrate 0. 274% 6. Ammonium Molybdate 4. 8%

Flame photometric determination of potassium in sea water ...

A convenient flame photometric procedure for determining potassium in sea water and biological materials is described. Factors affecting the intensity of the spectral line emitted by potassium ions were studied. The major constituents of sea water showed no spectral interference on the potassium analysis. Chloride ions and sulphuric acid gave a ...

Determination of the concentration of potassium ion using ...

PHOTOMETRIC DETERMINATION OF POTASSIUM IN BIOLOGICAL MATERIALS BY RUBENS SALOMB PEREIRA (From the Laboratory of General and Animal Physiology, Department of Zoology, C’niversity of XQ†o Paulo, Silo Paulv, Brazil) (Received for publication, April 17, 1945) In the course of work in this laboratory (l-2) the need of simple, sensi- tive, and reasonably accurate …

Determination of Potassium, Sodium, and Total Alkalies in ...

A simple flow injection with flame photometric detection has been developed for determination of sodium, potassium, and total alkalies in portland cement, fly ash, admixtures, and water of concrete. A liquid sample or a digest of solid sample was injected into a water carrier stream which flowed to a flame photometer. A change in emission intensity at a selected wavelength was recorded as a peak.

(PDF) Enzymatic determination of potassium in serum

The within-run imprecisions are comparable with those for ion-selective electrodes (for K, 1.0% at 4.5 mmol/L; for Na, 1.1% at 136 mmol/L); the analytical range is 2-10 mmol/L for potassium, 80 ...

ANALYST. JUNE Photometric and Fluorimetric Methods for …

Potassium bromate is used in bread-making as an oxidising agent. The applicability of the photometric method to the determination of bromate was demonstrated by determining the residual potassium bromate content in bread at the pg g-1 level. Experimental Reagents All chemicals used were of analytical-reagent grade and

Determination of Potassium by flame photometry - Labmonk

Potassium Standard Calibration Solutions. Deionized water is used for the "blank". A series of volume icluding 1.00, 2.00, 3.00, 4.00, and 5.00 mL of the standard 100-ppm potassium solutions were taken into the first, second, third, fourth, and fifth 100-mL volumetric flasks, respectively and separately.

Photometric Determination Of Potassium Ion Concentra

Flame Photometric Determination Of Sodium And Potassium. The sensitivity of the potassium determination in the coal-gas flame is about equal to that in the acetylene flame, which shows that the potassium atoms are easily excited the temperature level of the coal-gas flame is apparently sufficiently high for a maximal potassium emission.

CB Potassium Assay Cedex Analyzers ProductFlyer

Replacement of ISE testing by the photometric assay is easy and does not require revalidation of established procedures. Figure 2: Potassium was determined on a Cedex Bio HT Analyzer in samples of culture media spiked with different KCl concentra-tions, using the ISE electrode and the photometric potassium test, respectively.

Determination of potassium by titrimetry - ScienceDirect

Determination of potassium by titrimetry 345 provided that the effect of the sodium ion (0-46MNaCl) is taken into consideration (Table IV). Because the composition of sea water does not vary widely and more- over the effect of sodium ion is relatively small, it may be estimated that the effect of sodium ion on the determination of potassium is ...

R- 284 - Determination of Sodium, Potassium, Magnesium ...

flame photometric methods were investigated and techniques developed for determining these constituents rapidly and accurately. Determination of sodium and potassium oxides by flame photometry has been an estab­ lished ASTM procedure since 1949, but the extension of …

Determination of sodium and potassium by flame photometry

The proper level of potassium is essential for normal cell function. An abnormal increase of potassium (hyperkalemia) or decrease of potassium (hypokalemia) can profoundly affect the nervous system and heart, and when extreme, can be fatal. The normal blood potassium level is 3.5 - …