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. : CD100805
Product Name : Zinc oxide
Product Spec. : ≥99.0%
Packges : 100g 500g 1kg 25kg
CAS号 : 1314-13-2
分子式 : ZnO
分子量 : 81.39
酶学委员会编号 : 215-222-5
MDL编号 : MFCD00011300
颜色外观 Color Appearance : 白色颗粒 White Solid
含量 Assay : ≥99.0%
澄清度试验 Clarity of solution : 合格 pass
稀硫酸不溶物 Insoluble matter in dilute sulfuric acid : ≤0.01%
游离碱 Free alkali : 合格 pass
氯化物 Chloride (Cl) : ≤0.001%
硫化合物(以 SO4 计) Sulfide(as SO4) : ≤0.01%
硝酸盐 Nitrate (NO3) : ≤0.003%
锰 Manganese (Mn) : ≤0.0005%
铁 Iron (Fe) : ≤0.0005%
砷 Arsenic (As) : ≤0.00005%
铅 Lead (Pb) : ≤0.005%
还原高锰酸钾物质(以 O 计)Substance reducing potassium permanganate(as O) : ≤0.002%
硫化铵不沉淀物(以硫酸盐计)Substance not deposit in ammonium sulfide(as SO4) : ≤0.10%
熔点 Melting point : 1975 °C
Shelf Life ： 730 Days
COA ： Have COA
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