Казеины и казеинаты. Определение содержания белка (контрольный метод)
Название (англ.):
Caseins and caseinates; Determination of protein content (Reference method)
Описание (англ.):
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.
Дата регистрации:
01.07.78
Дата введения:
01.06.78
Код КГС:
Н19
Код ОКСТУ:
9209;9229
Код ОКС(МКС):
67.100.99
Код ОКП:
9209;9229
Нормативные ссылки:
BS 6248 PART 7-1982, EQV*DIN 10454-1983, EQV*NF V04-387-1985, EQV*LMBG L 02.09-5-1986, EQV
Ключевые слова:
CASEIN CASEINS CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DAIRY PRODUCTS DETERMINATION OF CONTENT PROTEINS REFERENCE METHODS VOLUMETRIC ANALYSIS CHEMICAL ANALYSIS AND TESTIN