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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 38407-2019 |
Leather and fur chemicals—Determination of chromium (VI) and the reductive potential for chromium tanning agents 皮革和毛皮化学品 铬鞣剂中六价铬及还原性的测定 |
China National Standards reductive |
 English PDF |
| GB/T 5009.159-2003 |
Determination of reductive-form ascorbic acid in foods 食品中还原型抗坏血酸的测定 |
China National Standards reductive |
English PDF |
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