Фрукты, овощи и продукты их переработки. Определение содержания цинка. Часть 1. Полярографический метод
Название (англ.):
Fruits, vegetables and derived products; determination of zinc content; part 1: polarographic method
Описание (англ.):
The method consists in ashing of a test portion in a muffle furnace at 525+25 C, treating the ash obtained with hydrochloric acid, neutralizing with ammonia solution and determing of the value using an ammonia/ammonium chloride electrolyte. Copper, tin, lead and cadmium do not interfere.
Дата регистрации:
01.05.86
Дата введения:
01.04.86
Код КГС:
Н59
Код ОКСТУ:
9709;9109
Код ОКС(МКС):
67.080.01
Код ОКП:
9709;9109
Ключевые слова:
AGRICULTURAL PRODUCTS CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT FRUIT-AND VEGETABLE PRODUCTS FRUITS POLAROGRAPHIC METHODS VEGETABLES ZINC CHEMICAL ANALYSIS AND TESTIN