| 项目Item 分析纯 |
| (AR) |
| 主含量(NH4Br)Assay,% ≥99.0% |
| 干燥失重Drying loss,% ： ≤0.20% |
| 澄清度试验Clarity 合格 |
| 水不溶物Insoluble matter in water,% ： ≤50PPM |
| 灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.03 |
| PH（5%）： 6.0-7.5 |
| 溴酸盐 (BrO3)Bromate,% ： ≤9PPM |
| 氯化物(Cl)Chloride,% ： ≤0.15% |
| 硫酸(SO4Sulfate,%： ≤40PPM |
| 碘(I)Iodide,% ： ≤50PPM |
| 重金属(以Pb计)Heavy metals,% ： ≤0.2PPM |
| 砷 ： ≤0.2PPM |
| 铜 ： ≤0.2PPM |
| 铁(Fe)Iron,% ： ≤0.2PPM |
| |
| |
| 项目名称Item ACS 级 |
| 含量(NH4Br)Assay ≥99.0% |
| pH(5%溶液，25.0℃)pH 4.5-6.0 |
| 水不溶物Insoluble matter ≤0.005% |
| 灼烧残渣Residue after ignition ≤0.01% |
| 溴酸盐(BrO3)Bromate ≤0.002% |
| 氯化物(Cl)Chloride(Cl) ≤0.2% |
| 碘化物(I)Iodide(I) ≤Passes test |
| 硫酸盐(SO4)Sulfate ≤0.005% |
| 钡(Ba)Barium(Ba) ≤0.002% |
| 重金属(以Pb计)Heavy metals(as Pb) ≤5ppm |
| 铁(Fe)Iron(Fe) ≤5ppm |
| |
| |
| 99.99% metals basis： |
| |
| |
| 外观Appearance 粉末或结晶 |
| 不溶物insolubles ≤0.005% |
| 总金属杂质total metallic impurities <100 ppm |
| 灼烧残渣Residue on ignition ≤0.01% |
| pH range 4.5 - 6.0 |
| anion traces |
| 溴酸盐bromate (BrO3-): ≤0.002% |
| 氯chloride (Cl-): ≤0.2% |
| 碘iodide (I-): ≤0.005% |
| 硫酸根sulfate (SO42-): ≤0.005% |
| 纯度Purity ≥99.99% Based On Trace Metals Analysis |
| 钡Ba: ≤0.002% |
| 铁Fe: ≤5 ppm |
| 重金属heavy metals: ≤5 ppm |
| |
| |
| 99.999%metals basis： |
| |
| |
| 外观Appearance 白色粉末 |
| X-射线衍射X-Ray Diffraction Conforms to Structure |
| 纯度Purity ≥99.999% Based On Trace Metals Analysis |
| 总金属杂质Total Metallic Impurities 20ppm by ICP Atomic emission |
