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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 21818-2008 |
Testing of chemicals - Inherent biodegradability - Modified MITI test （II） 化学品 固有生物降解性 改进的MITI试验（II） |
China National Standards Testing chemicals Inherent |
 English PDF |
| GB/T 21817-2008 |
Testing of chemicals - Inherent biodegradability - Modified SCAS test 化学品 固有生物降解性 改进的半连续活性污泥试验 |
China National Standards Testing chemicals Inherent |
English PDF |
| GB/T 21816-2008 |
Testing of chemicals - Inherent biodegradability - Zahn-Wellens test 化学品 固有生物降解性 赞恩-惠伦斯试验 |
China National Standards Testing chemicals Inherent |
English PDF |
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