GB/T 4702.2-1984 Methods for chemical analysis of chromium metal--The perchloric acid dehydration-gravimetric method for the determination of silicon content
This standard applies to the determination of silicon content in metallic chromium. Measuring range: less than 0.50%.
GB/T 4702.2-1984 history
2008GB/T 4702.2-2008 Chromium metal. Determination of silicon content. The perchloric acid gravimetric method
1984GB/T 4702.2-1984 Methods for chemical analysis of chromium metal--The perchloric acid dehydration-gravimetric method for the determination of silicon content