Items 检验项目 | Specification 检验标准 | Results 结果 | |
Appearance 外观 | White Crystalline Solid 白色晶体固体 | White crystalline Solid 白色晶体固体 | |
Assay (as NaBr) 含量 | 98.0% min. | 98.2 | |
Loss on Drying 干燥失重 | 1% max. | 0.5% max. | |
Chloride 氯化物 | 1.5% max. | 0.5% max. | |
Sulphate 硫化物 | 0.05% max. | 0.02% max. | |
Heavy Metals (as Pb) 重金属 | 10 ppm max. | 5 ppm max. | |
Total Hardness (as Ca) 总有害物质 | 100 ppm max. | --- | |
pH (5% solution) PH 值 | 5.5 – 8.5 | 5.5-8.5 | |
Conclusion: 结论: | Complics with GB/T 6682 Standard 本品符合GB/T 6682标准 |