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 1397-2015 化学试剂 无水碳酸钾
Product No. : CD100693
Product Name : Potassium carbonate anhydrous
Product Spec. : 分析纯 AR,≥99.0%
Packges : 100g 500g 1kg 25kg
分子式 : K2CO3
分子量 : 138.21
CAS号 : 584-08-7
颜色外观 Color Appearance : 白色颗粒或粉末 White particles or powder
含量 Assay : ≥99.0%
澄清度试验 Clarity of solution : 合格 Pass
水不溶物 Insoluble matter in water : ≤0.005%
灼烧失重 Loss on ignition : ≤1.0%
氯化物 Chloride(Cl) : ≤0.003%
硫化合物 Sulfur compounds : ≤0.003%
总氮量 Total nitrogen : ≤0.001%
磷酸盐及硅酸盐 Phosphate and silicate : ≤0.005%
钠 Sodium（Na） : ≤0.05%
镁 Magnesium (Mg) : ≤0.002%
钙 Calcium(Ca) : ≤0.002%
铁 Ferric(III) (Fe) : ≤0.0005%
铜 Copper(Cu) : ≤0.0005%
铅 Lead(Pb) : ≤0.0005%
熔点 Melting point : 891 °C
Shelf Life ： 730 Days
COA ： Have COA
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