• NITRITE/NITRATE, colorimetric method - Sigma-Aldrich

    4.3.2. Potassium nitrate - standard solution Accurately weigh 81.5 mg (± 0.1 mg) Potassium nitrate (e.g. Merck 5065, Suprapur) into a 100 ml volumetric flask, dissolve in redist. water and make up to the mark with the same solvent (stock solution = 500 mg nitrite/l).

Get Price
  • Determination of potassium with an ion-selective electrode

    Determination of potassium with an ion-selective electrode. Potassium is one of the most common elements and can be found in many different minerals and other potassium compounds. It is of importance for humans, animals and plants as it is an essential mineral nutrient and involved in many cellular functions like cell metabolism and cell growth.

Get Price
  • DETERMINATION OF SODIUM, POTASSIUM, CALCIUM AND .

    DETERMINATION OF SODIUM, POTASSIUM, CALCIUM AND LITHIUM IN A WHEAT GRASS BY FLAME PHOTOMETRY K. V. Shah*, P. K. Kapupara, T. R. Desai R. K. College Of Pharmacy, Kasturbadham, Rajkot, Gujarat, India-360 003. ABSTRACT Wheat grass is well known and easily available plant and being used for treatment of various diseases since many decades.

Get Price
  • Standard Test Methods for Chemical Analysis of Caustic ...

    It covers the ion selective electrode determination of 1 to 120 μ g/g chloride in caustic soda and caustic potash. This test method may be applied to other concentrations by using equivalent sample weights. 58.1 This test method covers the photometric determination of iron in caustic soda or caustic potash.

    [PDF]
Get Price
  • DETERMINATION OF POTASSIUM, SODIUM AND CAICIUM .

    DETERMINATION OF POTASSIUM, SODIUM AND CAICIUM IN FETDSPARS SYDNEY ABBEY Geol'ogi'cal, Suraey of Canad,a, Ottawa, Ontario. AssrRAcr A combined flarne photometric method is described for the determination of potassium,

    • Published in: Industrial & Engineering Chemistry Analytical Edition · 1937Authors: L V WilcoxAbout: Potassium · Composition
    Get Price
  • Standard Test Methods for Chemical Analysis of Caustic ...

    It covers the ion selective electrode determination of 1 to 120 μ g/g chloride in caustic soda and caustic potash. This test method may be applied to other concentrations by using equivalent sample weights. 58.1 This test method covers the photometric determination of iron in caustic soda or caustic potash.

    [PDF]
Get Price
  • The Determination of Calcium in Natural Waters 1

    A procedure for the determination of calcium in natural waters is presented which is faster, more precise, and more accurate than those previously described. Photometric woight titration with ethylencdiamine-tetraacetate ion in the presence of ammonium pur-

    [PDF]
Get Price
  • ABSTRACT: Flame Photometry also known as flame atomic ...

    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.

    [PDF]
Get Price
  • Determination of the concentration of potassium ion using ...
    Get Price
  • (PDF) Enzymatic determination of potassium in serum

    Enzymatic determination of potassium in serum ... to the use of ion-selective electrodes and flame photometry for measuring these clinically important monovalent cations in high-throughput or ...

    [PDF]
Get Price
  • photometric determination of potassium ion concentration ...

    C29-A2 ISSN 0273-3099 Standardization of Sodium and Potassium Ion...Sodium and Potassium Ion-Selective Electrode Systems to the Flame Photometric... for determination of sodium and potassium in blood plasma to units of concentration .

    [PDF]
Get Price
  • Flame photometric determination of salinity in processed ...

    Aug 01, 2005 · Flame photometric determination of salinity in processed foods The interference effects of potassium and calcium ions on the determination of sodium ion were studied. The threshold interfering patterns of potassium ion and calcium ion for the determination of sodium ion were observed in the model systems.

    • Published in: Food Chemistry · 2005Authors: Minjane Chen · Yating Hsieh · Yihming Weng · Robin Y Y ChiouAffiliation: National Chiayi UniversityAbout: Flame photometry · Food processing · Salinity · Potassium · Sodium · Signal strength[PDF]
    Get Price
  • DETERMINATION OF SODIUM, POTASSIUM, CALCIUM AND .

    DETERMINATION OF SODIUM, POTASSIUM, CALCIUM AND LITHIUM IN A WHEAT GRASS BY FLAME PHOTOMETRY K. V. Shah*, P. K. Kapupara, T. R. Desai R. K. College Of Pharmacy, Kasturbadham, Rajkot, Gujarat, India-360 003. ABSTRACT Wheat grass is well known and easily available plant and being used for treatment of various diseases since many decades.

Get Price
  • SODIUM AND POTASSIUM IN BIOLOGICAL MATERIALS

    Because potassium emits a less intense light than sodium when it is burned, it is necessary to use a 1.25 milliequivalent solution for the former to attain 100 full scale divisions. Serum potassium occurs in concentra- tions which are so low that this analysis offers unusual difficulty if material

    [PDF]
Get Price
  • photometric determination of potassium ion concentration ...

    This page is about photometric determination of potassium ion concentration from plants, click here to get more infomation about photometric determination of potassium ion concentration from plants.

    [PDF]
Get Price
  • Flame-photometric Determination of Strontium in Natural .

    FLAME-PHOTOMETRIC DETERMINATION OF STRONTIUM IN NATURAL WATER By C. ALBERT HOUR, ABSTRACT The strontium content of natural waters is rarely over 10 ppm and most natural waters have concentrations of 1.0 ppm or less. Gravimetric and volu­ metric methods are unsatisfactory for the determination of strontium in this

Get Price
  • Determination of Potassium, Sodium, and Total Alkalies in ...

    Jun 21, 2011 · 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.

    • Cited by: 10
    Get Price
  • Volumetric Determination of Potassium - Analytical ...

    Volumetric Determination of Potassium. E. D. Schall. Anal. Chem., 1957, 29 (7), ... in the Absence of Supporting Electrolytes Reference Electrodes Reversible to Alkylammonium Ions and Tetraphenylborate Ion in Nitrobenzene. ... Flame Photometric Methods of Determining the Potassium Tetraphenylborate. Analytical Chemistry.

    • Cited by: 62
    Get Price
  • Volumetric Determination of Potassium - Analytical ...

    Volumetric Determination of Potassium. E. D. Schall. Anal. Chem., 1957, 29 (7), ... in the Absence of Supporting Electrolytes Reference Electrodes Reversible to Alkylammonium Ions and Tetraphenylborate Ion in Nitrobenzene. ... Flame Photometric Methods of Determining the Potassium Tetraphenylborate. Analytical Chemistry.

Get Price
  • Colorimetric determination of potassium in whole blood ...

    Colorimetric determination of potassium in whole blood, serum, and plasma. Wong ST, Spoo J, Kerst KC, Spring TG. This spectrophotometric method for the direct determination of potassium in serum or plasma is based on the selective complexing of potassium by a specific macrocyclic polyether, with the subsequent formation of an ion-pair with a ...

Get Price
  • Flame‐photometric determination of calcium and magnesium ...

    Flame‐photometric determination of calcium and magnesium in vegetables ... ( Lactuca sativa L.) as Affected by Mineral Nutrition Level and ION Exchange Substrate Biona-312 ... Crossref. A. Barnes, D. J. Greenwood and T. J. Cleaver, A dynamic model for the effects of potassium and nitrogen fertilizers on the growth and ...

Get Price

moreRelated Products

Submit Demands Online