序号(NO.) | 项 目(Item) | 指标(Standard) | 实测数据(testingdata) | |
1 | 外观(Appearance) | 白色粉末(Whitepowder) | 白色粉末(Whitepowder) | |
2 | 纯度(Purity)% | 99.9min | 99.95 | |
3 | 锡(Sn)% | 57.0min | 57.05 | |
3 | 铁(Fe)% | 0.005max | 0.005 | |
4 | 铅(Pb)% | 0.0003max | 0.0002 | |
7 | SO4% | 0.05max | 0.05 | |
备注(grade) | 检验结论(testing) | |||
电镀级(electroplating) | 合格(qualified) |