Перборат натрия технический. Определение скорости растворения. Кондуктометрический метод
Название (англ.):
Sodium perborates for industrial use; Determination of rate of solution; Conductivity method
Описание (англ.):
Gives a conductive method for determining the rate of solution. Describes the principles of the procedure by dissolution of an agreed test portion in water at an agreed temperature, with controlled agitation. Measurement of the conductivity of the solution, at certain intervals, of the final conductivity (when the sample is completely dissolved) andcalculation of the ratio of conductivities to the final conductivity at an agreed time, thus, a measure of the rate of solution is obtained. Details of the laboratory stirrer are illustrated in a figure.
Заменён стандартами:
Дата регистрации:
01.04.76
Дата введения:
01.04.76
Дата отмены:
30.05.02
Код КГС:
Л19
Код ОКСТУ:
2146;2109
Код ОКС(МКС):
71.060.50
Код ОКП:
2146;2109
Нормативные ссылки:
BS 5688 PART 18-1979, EQV*NBN T 03-358-1981, EQV*NF T20-563-1985, EQV