This product can be used for titration analysis, qualitative and quantitative analysis, etc. It should be stored in a cool, ventilated place, sealed, and used within its expiration date. To obtain the product's Certificate of Analysis (COA), please visit www.howeipharm.com to view and download it.
Standard : Q/HWC032-2020 广州和为医药科技有限公司化学品制造标准
Product No. : CD100438
Product Name : Potassium metabisulfite
Product Spec. : ≥95.0%
Packges : 100g 500g 1kg 25kg
CAS号 : 16731-55-8
分子式 : K2S2O5
分子量 : 222.32
酶学委员会编号 : 240-795-3
MDL编号 : MFCD00167605
颜色外观 Color Appearance : 白色晶体粉末
含量 Assay(K2S2O5) : ≥95.0%
澄清度试验 Clarity of solution : 合格 pass
水中不溶物 Insoluble matter in water : ≤0.005%
氯化物 Chloride(Cl) : ≤0.005%
铁 Iron(Fe) : ≤0.0005%
砷 Arsenic(As) : ≤0.0001%
重金属（以 Pb 计）Heavy metals(as Pb) : ≤0.001%
熔点 Melting point，℃ : 190 ℃
Shelf Life ： 730 Days
COA ： Have COA
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