Корма для животных. Определение общего содержания фосфора. Спектрофотометрический метод
Название (англ.):
Animal feeding stuffs; Determination of total phosphorus content; Spectrophotometric method
Описание (англ.):
The method consists in ashing of a test portion, either by dry combustion and dissolution in acid (in the case of organic feeding stuffs), or by acid digestion (in the case of mineral compounds and liquid feeding stuffs).Then treatment of this solution with molybdovanadate reagent and measurement of the absorbance of the yellow solution thus obtained, in a spectrophotometer, at 430 nm.
Заменён стандартами:
ISO 6491(1998.12)
Дата введения:
01.08.80
Дата отмены:
15.12.98
Нормативные ссылки:
AMD 4633-1984, EQV*BS 5766 PART 3-1981, EQV*NF V18-106-1980, EQV*NP-874-1984, EQV
Ключевые слова:
ANIMAL FEED ANIMAL FEEDING CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT PHOSPHORUS SPECTROPHOTOMETRIC ANALYSIS SPECTROPHOTOMETRY CHEMICAL ANALYSIS AND TESTIN