| 項(xiàng)目Item 分析純 |
| (AR) |
| 主含量(NH4Br)Assay,% ≥99.0% |
| 干燥失重Drying loss,% ： ≤0.20% |
| 澄清度試驗(yàn)Clarity 合格 |
| 水不溶物Insoluble matter in water,% ： ≤50PPM |
| 灼燒殘?jiān)?以硫酸鹽計(jì))Ignition residue,% ≤ 0.03 |
| PH（5%）： 6.0-7.5 |
| 溴酸鹽 (BrO3)Bromate,% ： ≤9PPM |
| 氯化物(Cl)Chloride,% ： ≤0.15% |
| 硫酸(SO4Sulfate,%： ≤40PPM |
| 碘(I)Iodide,% ： ≤50PPM |
| 重金屬(以Pb計(jì))Heavy metals,% ： ≤0.2PPM |
| 砷 ： ≤0.2PPM |
| 銅 ： ≤0.2PPM |
| 鐵(Fe)Iron,% ： ≤0.2PPM |
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| 項(xiàng)目名稱Item ACS 級(jí) |
| 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% |
| 灼燒殘?jiān)黂esidue after ignition ≤0.01% |
| 溴酸鹽(BrO3)Bromate ≤0.002% |
| 氯化物(Cl)Chloride(Cl) ≤0.2% |
| 碘化物(I)Iodide(I) ≤Passes test |
| 硫酸鹽(SO4)Sulfate ≤0.005% |
| 鋇(Ba)Barium(Ba) ≤0.002% |
| 重金屬(以Pb計(jì))Heavy metals(as Pb) ≤5ppm |
| 鐵(Fe)Iron(Fe) ≤5ppm |
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| 99.99% metals basis： |
| |
| |
| 外觀Appearance 粉末或結(jié)晶 |
| 不溶物insolubles ≤0.005% |
| 總金屬雜質(zhì)total metallic impurities <100 ppm |
| 灼燒殘?jiān)黂esidue on ignition ≤0.01% |
| pH range 4.5 - 6.0 |
| anion traces |
| 溴酸鹽bromate (BrO3-): ≤0.002% |
| 氯chloride (Cl-): ≤0.2% |
| 碘iodide (I-): ≤0.005% |
| 硫酸根sulfate (SO42-): ≤0.005% |
| 純度Purity ≥99.99% Based On Trace Metals Analysis |
| 鋇Ba: ≤0.002% |
| 鐵Fe: ≤5 ppm |
| 重金屬heavy metals: ≤5 ppm |
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| 99.999%metals basis： |
| |
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| 外觀Appearance 白色粉末 |
| X-射線衍射X-Ray Diffraction Conforms to Structure |
| 純度Purity ≥99.999% Based On Trace Metals Analysis |
| 總金屬雜質(zhì)Total Metallic Impurities 20ppm by ICP Atomic emission |
