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产品编号 | 名称 | 规格 | 包装 | 售价(RMB) | 促销价(RMB) | 库存量 | 数量 | 在线订购 |
---|---|---|---|---|---|---|---|---|
100326 | 过硫酸铵 | AR | 500G | 36.00 | >20 | 立即订购 | ||
100327 | 过硫酸铵 | CP | 500g | 30.00 | >20 | 立即订购 | ||
100327 | 过硫酸铵 | GR | 500g | 56.00 | >20 | 立即订购 |
过硫酸铵是一种白色、无味单晶体,分子式为(NH4)2S2O8,具有强氧化性和腐蚀性,受热易分解,不易吸潮,易溶于水,在温水中溶解度增大,在水溶液中能水解成硫酸氢铵和过氧化氢,熔点 120 °C 密度 1.98 蒸气密度 7.9 (vs air) 折射率 1.50 |
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GB/T 655-94
项目Item 分析纯 化学纯
(AR) (CP)
含量[(NH4)2S2O8]Assay,% ≥98.5 98.0
澄清度试验Clarity 合格 合格
水不溶物Insoluble matter in water,% ≤0.005 0.02
灼烧残渣(以硫酸盐计)Ignition residue,% ≤0.02 0.05
氯化物及氯酸盐(以Cl计)Chloride and chlorate ≤0.001 0.002
锰(Mn)Manganese,% ≤0.00005 0.0001
铁(Fe)Iron,% ≤0.0005 0.001
重金属(以Pb计)Heavy metals,% ≤0.0005 0.001
ACS级
项目名称Item ACS Grade
含量[(NH4)2S2O8]Assay ≥98.0%
水不溶物Insoluble matter ≤0.005%
灼烧残渣Residue after ignition ≤0.05%
可滴定酸Titrable acid ≤0.04meq/g
氯化物和氯酸盐(以Cl计)Chloride and Chlorate(as Cl) ≤0.001%
重金属(以Pb计)Heavy metals(as Pb) ≤0.005%
铁(Fe)Iron(Fe) ≤0.001%
锰(Mn)Manganese(Mn) ≤0.5ppm
品级Grade 电泳级, ≥98%
(for electrophoresis, ≥98%)
外观Appearance 白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥98.0% (Titration by KMNO4)
水溶解试验solubility in water 无色透明,c = 100mg/ml; Water
铁Iron (Fe) ≤10.0 ppm
重金属Heavy Metal (as Lead) ≤50 ppm
氯Chloride (Cl) ≤10 ppm
DNAse, RNAse, and Protease None Detected
丙烯酰胺聚合试验Suitability Suitable
(Suitable as a Catalyst of Acrylamide
Polymerization)
品级Grade 分子生物学级, ≥98%
(for molecular biology, ≥98%)
外观Appearance 白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥98.0% (Titration by KMNO4)
水溶解试验solubility in water 20g/200 ml, H2O Clear
铁Iron (Fe) ≤10.0 ppm
重金属Heavy Metal (as Lead) ≤50 ppm
氯Chloride (Cl) ≤10 ppm
DNAse, RNAse, and Protease None Detected
丙烯酰胺聚合催化测试Test as a Catalyst of Acrylamide
Polymerization Pass