Deprecated: Function split() is deprecated in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/goods.php on line 366 Strict Standards: Non-static method cls_image::gd_version() should not be called statically in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/lib_base.php on line 346
无色或白色结晶粉末。溶于水,溶液呈酸性,不溶于醇。遇潮湿或受热逐渐分解放出氧。无气味。能逐渐分解失去有效氧,湿气中能促使其分解,高温时分解较快,在约100℃时全部分解。溶于约50份水(40℃时溶于25份水),不溶于乙醇,水溶液呈酸性。有强氧化性。与有机物摩擦或撞击能引起燃烧。有强刺激性。
密度:2.477
质量标准
项目ltem 分析纯 化学纯
(AR) (CP)
含量(K2S2O8)Assay,% ≥99.5%99.0%
澄清度试验Clarity 合格 合格
水不溶物lnsoluble matter in water,% ≤0.0050.01
氯化物及氯酸盐(以CI计)rate,%≤0.0020.005
总氮量(N)Total nitrogen,% ≤0.0050.01
锰(Mn)Manganese,% ≤0.0001 0.0003
铁(Fe)Iron,%≤0.0002 0.0005
重金属(以Pb计)Heavy metals,%≤0.0010.002
ACS级
项目名称 ACS Grade
含量(K2S2O8)Assay ≥99.0%
水不溶物Insoluble matter≤0.005%
氯化合物(Cl)Chloride compounds≤0.001%
重金属(以Pb计)Heavy metals≤0.001%
铁(Fe)Iron≤5ppm
锰(Mn)Manganese ≤2ppm
99.99%:
外观Appearance无色或白色结晶粉末
ICP:Confirms
纯度Purity≥99.99% (By ICP and AA Combined)
总杂质Impurity200ppm by Trace Metals Analysis
贮存:密封防潮保存
用途:分析试剂、氧化剂、洗照片。聚合反应引发剂。照相冲洗(除去硫化硫酸盐)。
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422 Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422 Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422 Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422