ISO 8195:1987
Caseins and caseinates — Determination of nitrate and nitrite contents — Method by cadmium reduction and spectrometry
Reference number
ISO 8195:1987
Edition 1
1987-03
Withdrawn
ISO 8195:1987
15287
Withdrawn (Edition 1, 1987)

Abstract

The principle of determination consists in dispersing the casein or caseinate in warm water, precipitating the fat and proteins, filtering and reducing the nitrate to nitrite in a portion of the filtrate by means of copperized cadmium. A figure shows the apparatus for nitrate reduction.

General information

  •  : Withdrawn
     : 1987-03
    : Withdrawal of International Standard [95.99]
  •  : 1
     : 6
  • ISO/TC 34/SC 5
    67.100.99 
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