GB/T 22807-2019 | 皮革和毛皮 化学试验 六价铬含量的测定：分光光度法 现行
Release Date：Dec 31, 2019 Effective date：Jul 1, 2020
Related standard substances
| Part Number | Description | Standard Value | Specifications | CAS NO | Period Of Validity | Inventory | Quantity | Operate |
|---|---|---|---|---|---|---|---|---|
|
见证书
|
20pcs/盒 |
|
0
|
|
