GB/T 223.34-2000 Methods for chemical analysis of iron,steel and alloy-The determination of hydrochloric acid-insoluble content of iron powders (English Version)
This standard specifies the gravimetric method for determining the content of hydrochloric acid insoluble matter in iron powder. This standard applies to the determination of 0.10% (m/m) ~ 1.00% (m/m) hydrochloric acid insoluble matter in iron powder.
GB/T 223.34-2000 history
2000GB/T 223.34-2000 Methods for chemical analysis of iron,steel and alloy-The determination of hydrochloric acid-insoluble content of iron powders