Продукты из соевых бобов. Определение активности уреазы
Название (англ.):
Soya bean products; determination of urease activity
Описание (англ.):
The method allows inadequate cookingof the products to be detected. It applies to products having a urease activity of less than 1 mg of nitrogen per gram of product as received. For more active products the mass of test may be reduced. The principle consists in mixing of a ground test portion with a buffered urea solution, after keeping the mixture for 30 min at 30 C,neutralization of the ammonia liberated, with an exess of hydrochloric acid solution, and back-titration with standard volumetric hydroxide solution.
Заменяет стандарты:
ISO 5506(1978)
Дата регистрации:
09.01.89
Дата введения:
15.08.88
Код КГС:
С19
Код ОКСТУ:
9709;9716
Код ОКС(МКС):
65.120; 67.200.20
Код ОКП:
9709;9716
Нормативные ссылки:
BS 4325 PART 6(1989/BSI), EQV ISO 5502-1983*ISO 5505-1986*ISO 771-1977
Ключевые слова:
AGRICULTURAL PRODUCTS AMMONIACAL NITROGEN CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT FOOD PRODUCTS OILSEEDS SOYA SOYA BEANS UREASIC ACTIVITY CHEMICAL ANALYSIS AND TESTIN