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 : GB/T 16496-1996 化学试剂 硫酸钾
Product No. : CD101062
Product Name : Potassium sulfate
Product Spec. : 分析纯 AR,≥99.0%
Packges : 100g 500g 1kg 25kg
CAS号 : 7778-80-5
分子式 : K2SO4
分子量 : 174.27
颜色外观 Color Appearance : 白色晶体 White crystal
含量 Assay : ≥99.0%
pH 值 pH value(50g/L solution,25℃) : 5.0~8.0
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 : ≤0.0005%
总氮 Total nitrogen(N) : ≤0.0005%
钠 Sodium(Na) : ≤0.03%
钙 Calcium(Ca) : ≤0.01%
铁 Iron(Fe) : ≤0.0002%
砷 Arsenic(As) : ≤0.0001%
重金属（以 Pb 计）Heavy metals(as Pb) : ≤0.0005%
熔点 Melting point : 1067 °C
Shelf Life ： 730 Days
COA ： Have COA
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