GB/T 4374.7-1984 Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders--The gravimetric method for the determination of insoluble content in hydrochloric acid
This standard applies to the determination of hydrochloric acid insoluble matter in magnesium powder. Measuring range: not more than 0.20%.
GB/T 4374.7-1984 history
1984GB/T 4374.7-1984 Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders--The gravimetric method for the determination of insoluble content in hydrochloric acid