Кислота соляная техническая. Определение содержания растворимых сульфатов. Нефелометрический метод
Название (англ.):
Hydrochloric acid for industrial use; Determination of soluble sulphates; Turbidimetric method
Описание (англ.):
The turbidimetric method is applicable to products containing less than 0.1 % (m/m) of soluble sulphates. The principle consists in evaporation of a test portion to dryness and solution of the residue in hydrochloric acid. Measurement of the turbidity obtained by precipitation, under well defined conditions, of barium sulphate. Has also been approved by the IUPAC.
Дата регистрации:
10.11.73
Дата введения:
01.11.73
Код КГС:
Л19
Код ОКСТУ:
2122;2109
Код ОКС(МКС):
71.060.30
Код ОКП:
2122;2109
Нормативные ссылки:
NBN T 03-007-1979, EQV*NF T20-263-1969, EQV*NP-1345-1976, EQV*SFS-ISO 2762(1989/SFS), EQV
Ключевые слова:
CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT HYDROCHLORIC ACID SOLUBLE SULPHATES TURBIDIMETRIC ANALYSIS TURBIDIMETRY CHEMICAL ANALYSIS AND TESTIN