1. Cas Lek Cesk. 1954 Oct 29;93(44):1229-31. [Flame photometric method of determination of potassium in the presence of sodium]. [Article in Czech]
A method for rapid, sensitive and accurate flame photometric analysis of Li, Na, K, Mg, Ca and Sr in various kinds of waters is described. Anionic interferences are eliminated by anion-exchange to give the chlorides of the elements and mutual inter-elemental effects are eliminated by applying the dilution and standard-addition techniques. Very high sensitivities are obtained by using a ...
Determination of sodium and potassium by flame photometry
2018-11-15 · IS 1917 : 1962. The determination of loss on ignition, silica, sodium, potassium, aluminium, iron, calcium, magnesium and titanium oxide in quartzite and high silica sand have been covered in this series. This part covers the determination of sodium and …
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.
2019-2-20 · The method is an end-point spectrophotometric procedure, reading at 500 nm and performed at either 30°C or 37°C. Absorbance changes are reported to be linearly related to potassium ion concentration. We report a brief comparison of the method with established techniques. MATERIALS AND METHODS Potassium was measured by the Chromolyte method ...
tative method for the determination of lithium ions in water. This method, the flame photometric technique, re-quires the addition of a sodium sulfate-sodium carbonate solution to the sam-ple to precipitate alkaline-earth inter-ferences prior to analysis. The mini-mum lithium concentration detected is 0.1 mg/1. A study of published flame photo-
The basis of flame photometric working is that, the species of alkali metals (Group 1) and alkaline earth metals (Group II) metals are dissociated due to the thermal energy provided by the flame source. Due to this thermal excitation, some of the atoms are excited to a higher energy level where they are not stable.
2021-3-12 · A modified sodium tetraphenylboron method for the routine determination of reserve-potassium status of soil. New Zealand Journal of Experimental Agriculture 1985, 13 (3), 253-262.
2017-11-21 · A FLAME PHOTOMETRIC METHOD FOR POTASH IN FERTILIZERS ION EXCHANGE SEPARATION OF INTERFERING ANIONS CHARLES W. GEHRKE, H AROLD E. AFFSPRUNG, AND EUGENE 1. WOOD INTRODUCTION The use of the flame photometer offers a rapid and inexpensive meth od for the determination of the potassium coment of fertilizers. For this
2012-9-4 · 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 - 5.0 millimoles/liter (mmol/l).
these methods flame photometry is regarded as a simple, rapid and cost-effective method. This study describes the validation of a flame photometric method which is performed under conditions modified from the manufacturer''s recommendations for analysis of serum lithium. This method is used for the therapeutic drug monitoring
BACKGROUND. The aim of the experiment is to determine concentration of potassium ion using Flame Photometry (atomic emission spectrometry). Flame photometry is also known as atomic emission spectrometry. When a solution containing cations of sodium and potassium is spayed into flame, the solvent evaporates and ions are converted into their atomic state.
2017-10-26 · method for the determination of water soluble potash in fertilizers. An inter-laboratory test was used to determine the precision of the method, yielding results for r and R similar to those shown for the SPPA and SPEKS methods in Table 2.3 Flame photometric method The flame photometric analysis method is widely used in agri-chemistry worldwide,
2020-9-23 · The Flame Photometric Determination of Sodium and Potassium in Silicates, Minerals and Ores Introduction A PFP7 flame photometer offers a method for the determination of the sodium and potassium content of a wide variety of silicates, minerals and ore samples. Warning: - This method uses Hydrofluoric Acid.
2016-2-25 · A method is presented for the simultaneous flame photometric deter mination of sodium, potassium, magnesium, and iron oxides in portland cements. The instrument used is a Beckman DU spectrophotometer with flame and photomultiplier attachments and laboratory constructed record er.
2021-2-13 · proposed flame photometric method was successfully employed to estimate the amount of potassium in eleven different treatments of Alfalfa. The proposed method was found to be simple, specific, accurate 0 20 40 60 80 100 120 Gamma Radiation Dose Amount in mg/gm Effect of gamma radiation on potassium content of irradiated Alfalfa Kakade and Borse
A flame-photometric method for analyzing blood serum for Na, K and Ca simultaneously in a single dilution which comprises. 2. The method of claim 1 in which said predetermined wavelength for sodium excludes the doublet at 589 nanometers. 3. The method of claim 1 in which said predetermined wavelengths in nanometers are as follows: Na 330 or 818 ...
2002-10-18 · Na+ measurement by the two methods with the known value of Na+ in the redissolved sachet and also compare the accuracy and precision of the two methods using the class data. 2.3 Experiment A: Determination of Na+ and K+ in solution by flame photometry Reagents: oral rehydration sachet NaCl standards: 0.25, 0.5, 1.0, 2.0, 4.0 and 5.0 mM
1980-4-29 · METHOD FOR DETERMINATION OF SODIUM AND POTASSIUM ( FLAME PHOTOMETRIC) 0. FOREWORD 0.1 This Indian Standard was adopted by the Indian Standards Institution on 29 April 1980, after the draft finalized by the Chemical Standards Sectional Committee had been approved by the Chemical Division Council.
The flame photometric determination of sodium, potassium and calcium in plant extracts with special reference to interference effects, Anal. Chico. Acta, 25, p. 557–566 (1961). CrossRef Google Scholar
Title of Legally Binding Document: Method for determination of sodium and potassium (flame photometric) Number of Amendments: Equivalence: Superceding: Superceded by: LEGALLY BINDING DOCUMENT Step Out From the Old to the New--Jawaharlal …
[Flame photometric determination of sodium, potassium & calcium in blood & urine, with special consideration of the most important interferences.] HAUSSLER A, HAJDU P. Arch Pharm Ber Dtsch Pharm Ges, 292/64(5):73-84, 01 May 1959 Cited by: 1 article | PMID: 13670615
Measurement of potassium levels in tap water using the flame photometric method and validating the flame photometric method. Validation was carried out at the Water Laboratory, Groundwater Center and Environmental Geology Bandung. The test parameters
Atomic spectroscopy is thought to be the oldest instrumental method for the determination of elements. These techniques are introduced in the mid of 19th Century during which Bunsen and Kirchhoff showed that the radiation emitted from the flames depends on the characteristic element present in the flame.
A flame photometric method for calcium determination by direct serum dilution and comparison with the permanganate titration method Am. J. Med. Technol., 21 ( 1955 ), pp. 297 - …
2015-1-2 · Flame photometry is suitable for qualitative and quantitative determination of several cations, especially for metals that are easily excited to higher energy levels at a relatively low flame temperature (mainly Na, K, Rb, Cs, Ca, Ba, Cu). The major cation of the extracellular fluid is sodium and intracellular cation found to be potassium.
2017-12-30 · Flame photometry is one of the branches of atomic absorption spectroscopy. It is also known as flame emission spectroscopy. Currently, it has become a necessary tool in the field of analytical chemistry. Flame photometer can be used to determine the concentration of certain metal ions like sodium, potassium, lithium, calcium and cesium etc. In ...
KINGSLEY GR, SCHAFFERT RR. Micro flame photometric determination of sodium, potassium and calcium in serum with solvents. J Biol Chem. 1954 Feb; 206 (2):807–815. LLAURADO JG. Simplified estimation of calcium in biological materials by flame photometry. J Clin Pathol. 1954 May; 7 (2):110–115. [PMC free article] MACINTYRE I.
2017-1-28 · Determination of Sodium, Potassium, Magnesium And Iron Oxides In Portland Cement By Flame Photometry, Research Laboratory Office of Testing and Research Report No. 284. 1-4. 3. Worth H.G. (1985). A comparison of the measurement of sodium and potassium by flame photometry and ion-selective electrode". Ann. Clin. Biochem. 22:343-50. 4.
2020-6-28 · Determination of Potassium by flame photometry AIM-The aim of the experiment is to determine potassium by flame photometry BACKGROUND- Flame photometry, more precisely called flame atomic emission spectrometry or "flame photometry" is a traditional instrumental analysis method is originated a long back to Bunsen''s flame-color tests for the qualitative identification of
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 model DU, with a flame attachment of the total consumption burner type.
Abstract. The importance of the potassium ion as a chief cation in cells, and the one occurring in highest concentration, renders a method for its determination in histologically definable samples, e.g. microtome sections of tissue, particularly valuable for many biological and medical investigations.
A method is described for the determination of sodium and potassium in blood serum and urine by means of the flame photometer. Sodium is determined by diluting serum or urine 100 times with distilled water, by spraying the solution obtained into a flame fed by a mixture of butane and air and measuring the intensity of the yellow sodium light with a selenium barrier-layer photocell.
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