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Norm
ISO 5549:1978
Ausgabedatum: 1978 06 01
Caseins and caseinates — Determination of protein content (Reference method)
Does not apply to caseins and caseinates containing ammonium caseinate or other ammonium compounds, or other nitrogenous nonprotein compounds. The principle of determinat...
ZURÜCKGEZOGEN: 2014 02 03
Herausgeber:
International Organization for Standardization
Format:
Digital | 3 Seiten
Sprache:
Englisch
Aktuell Gültig:
ICS
Does not apply to caseins and caseinates containing ammonium caseinate or other ammonium compounds, or other nitrogenous nonprotein compounds. The principle of determination consists in digesting a test portion with a mixture of potassium sulphate and sulphuric acid, in the presence of copper(II) sulphate as catalyst, to convert organic nitrogen into ammoniacal nitrogen, distilling and absorbing the ammonia in boric acid solution, titrating with standard volumetric hydrochloric acid solution and multiplying the resualt by the factor 6.38.
ISO 8968-1:2014
2014 02 03
Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude pr...
Norm
ISO 5549:1978
1978 06 01
Caseins and caseinates — Determination of protein content (Reference method)
Norm
↖
Norm
Ausgabedatum :
2014 02 03
Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation
