Продукты плодоовощные. Определение содержания олова
Название (англ.):
Fruit and vegetable products; Determination of tin
Описание (англ.):
The method is applicable to products which may contain, per kilogram, up to 1,25 g of copper, 0,6 g of lead, 0,6 g of zinc, 40 g of phosphorus. It consists in destructing of the organic matter by means of sulphuric and nitric acids, and conversion of the tin to the stannic form, formation of a complex in a bufferd solution of pH 1,0 to 1,2, the complex being coloured orange with phenylfluorone and the colour compared with thoseobtained in the same conditions but starting from standard solutions of pure tin.
Заменён стандартами:
ISO 2447(1998.08)
Дата введения:
01.02.74
Дата отмены:
01.08.98
Код КГС:
Н59
Код ОКСТУ:
9163;9109;9167
Код ОКС(МКС):
67.080.01
Код ОКП:
9163;9109;9167
Нормативные ссылки:
NF V05-111-1970, EQV*UNE 34-221-81-1981, EQV
Ключевые слова:
AGRICULTURAL PRODUCTS CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING COLORIMETRY DETERMINATION OF CONTENT FRUIT-AND VEGETABLE PRODUCTS FRUITS PLANT PRODUCTS TIN VEGETABLES CHEMICAL ANALYSIS AND TESTIN