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Koroleff, Folke (2011)
Publisher: Co-Action Publishing
Journal: Tellus A
Languages: English
Types: Article
Subjects:
The method is based on the reaction of ammonium nitrogen with hypobromite in an alkaline medium. The excess of hypobromite is determined spectrophotometrically by adding an azo dye (Bordeaux B) solution, which is decolorized by hypobromite in acid solution. The influence of e.g. organic compounds is eliminated by allowing the whole reaction to proceed in acid solution also. The standard curve is a straight line up to 400 micrograms of ammonium nitrogen per liter, and the reaction is sensitive to 10 micrograms per liter, equal to 0.01 ppm, as determined in 25 ml of sample.DOI: 10.1111/j.2153-3490.1966.tb00270.x
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • BULJAN,M., 1961, Note on a method for determination of ammonia in sea water. J. mar. biol. Ass. U . K . , 80 (2),pp. 277-280.
    • HARWEYH, . W., 1961, Micro-determination of nitrogen in organic matter without distillation. Analyst, 76, pp. 667-860.
    • KROGIHA,., 1934, A method for the determination of ammonia in water and air. Biol. Bull. Woods Hole, 67 (l),pp. 126-131.
    • KRUSE,J. M., and MELLON, M. G., 1963, Colorimetric determination of ammonia and cyanate. Anal. Chem., 26 ( 8 ) . pp. 1188-1210.
    • MANN,L. T., JR.,1983, Spectrophotometric determination of nitrogen in total Micro-Kjeldahl digest, Anal. Chem., 86 (13),pp. 2179-2182.
    • RILEY,J. P., and SINEASENPI,., 1967,The determination of ammonia and total ionic inorganic nitrogen in 808 water. J . mar. b w l . Ass. U.K., 88 (l),pp. 161-168.
    • ROSSUMJ,. R., ~ ~ ~ V I L L A RPR.UAZ., ,1963,Determination of ammonia by the indophenol method., Jour. A W W A , 66 (5), pp. 667-668.
    • STRICKLANJD., D. H., and AUSTIN,K. H., 1969, The direct estimation of ammonia in sea water. J. Cow. int. Explw. Mer., 24 (3).pp. 446-461.
    • ZITOMER,F., and LAMBERTJ,. L., 1962, Spectrophotometric determination of ammonia 88 trichloramine. Anal. Chem., 84 (13),pp. 1738-1740.
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