Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 28019-2011 |
Adornment - Determination of Chromium(Ⅵ)- 1, 5-Diphenylcarbohydrazide spectrophotometric method 饰品 六价铬的测定 二苯碳酰二肼分光光度法 |
China National Standards Adornment Determination Chromium(Ⅵ) |
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