項目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Clarity 合格 |
水不溶物Insoluble matter in water,% : ≤50PPM |
灼燒殘渣(以硫酸鹽計)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)Heavy metals,% : ≤0.2PPM |
砷 : ≤0.2PPM |
銅 : ≤0.2PPM |
鐵(Fe)Iron,% : ≤0.2PPM |
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項目名稱Item ACS 級 |
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% |
灼燒殘渣Residue 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)Heavy metals(as Pb) ≤5ppm |
鐵(Fe)Iron(Fe) ≤5ppm |
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99.99% metals basis: |
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外觀Appearance 粉末或結晶 |
不溶物insolubles ≤0.005% |
總金屬雜質total metallic impurities <100 ppm |
灼燒殘渣Residue 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Total Metallic Impurities 20ppm by ICP Atomic emission |