ISO 6739:1988
Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and spectrometry
Reference number
ISO 6739:1988
Edición 2
1988-08
Retirada
ISO 6739:1988
13196
Retirada (Edición 2, 1988)

Resumen

Is suitable for all kinds of whey cheese. The principle of determination consists in extracting the whey cheese with warm water, precipitating the fat and proteins, filtering and reducing the nitrate in a portion of the filtrate to nitrite by means of copperized cadmium. The apparatus for nitrate reduction is shown in a figure.

Informaciones generales

  •  : Retirada
     : 1988-08
    : Retirada de la Norma Internacional [95.99]
  •  : 2
     : 6
  • ISO/TC 34/SC 5
    67.100.30 
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