BS EN ISO 8968-1:2014

Действует

Milk and milk products. Determination of nitrogen content. Kjeldahl principle and crude protein calculation — 30 стр.

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На этот документ ссылаются

BS EN ISO 8968-2:2002

Заменен

Milk. Determination of nitrogen content. Block-digestion method (Macro method) — 20 стр.

BS EN ISO 8968-1:2002

Заменен

Milk. Determination of nitrogen content. Kjeldahl method — 22 стр.

BS 6248-7:1982

Заменен

Caseins and caseinates, Method for determination of protein content (reference method) — 10 стр.

DD ISO/TS 17837:2008

Заменен

Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method — 24 стр.