[产品名称Name of commodity]:直接法氧化锌 direct method Zinc Oxide [包 装Packing]:塑料编织袋(塑料内衬),每包25公斤Plastic woven bag with polyethylene inner,N.W.: 25kg/bag [存 储Storing]:应在阴凉、干燥处密闭保存 Pleaes sealing the packaging bag, store in shade,dryness place [质量标准Standard of quality]: 分子式 molecular formula ZnO 分子量 molecular weight 81.38 性质/外观 Character/Apprance 白色粉末,密度 5.606,熔点 1975°C,是一种两性氧化物,不溶于水或乙醇,溶于酸碱溶液。高温时呈黄色,冷却后恢复白色。 White powder, density :5.606,fusion point :1975°C. Amphoteric oxide, not solvent to water or ethanol, soluble in acid and alkaline liquid become yellow when heated,then come to white when cooled. 项 目Content 指标Index 氧化锌(以干品计)ZnO dry %≥ 90 铅Lead(Pb) %≤ 0.32 铜Cu%≤ 0.08 锰Mn%≤ 0.06 水分Moisture% 0.5 水容物Soluble matter in water% 0.7 盐酸不容物Insoluble matter in HCL solution% 0.06 灼烧减量Loss on Ignition% 0.78 筛余物(通过320目 试验筛)Retention on sieve ((320 meshes) %≤ 0.42
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