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 9853-2008 化学试剂 无水硫酸钠
Product No. : CD100682
Product Name : Sodium sulfate anhydrous
Product Spec. : 分析纯 AR
Packges : 100g 500g 1kg 25kg
分子式 : Na2SO4
分子量 : 142.04
CAS号 : 7757-82-6
颜色外观 Color Appearance : 白色结晶性粉末 White crystalline powder
含量 Assay : ≥99.0%
pH(25 ℃) : 5.0～8.0
澄清度试验/号 Clarity of solution : 合格 Pass
水不溶物 Insoluble matter in water : ≤0.005%
灼烧失量 Loss on ignition : ≤0.2%
氯化物 Chlorine compounds (Cl) : ≤0.001%
正磷酸盐 Orthophosphate (PO4) : ≤0.001%
总氮量 Total nitrogen(as N) : ≤0.0005%
钾 Potassium(K) : ≤0.01%
钙 Calcium(Ca) : ≤0.002%
铁 Ferric(III) (Fe) : ≤0.0005%
重金属 heavy metals(以 Pb 计) : ≤0.0005%
熔点 Melting point : 884 °C
Shelf Life ： 730 Days
COA ： Have COA
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