重铬酸钠
指 标 名 称 指 标
重铬酸钠（Na2Cr2O7O2H2O）% ≥ 99.3
硫酸盐（SO4）% ≤ 0.2
氯化物（CL-）% ≤ 0.1
包装：高强纸布复合袋软包装，每袋净重50kg。
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磷酸锌 | 项 目 医药原料 饲料添加剂 脱硫剂 橡胶 油漆 工业 主含量（以 Zn 计）（以干基计）% ≥ 57-58 57-58 57-58 55-57 55-57 55-56 灼烧失量% ≤ 25.0-28.0 25.0-28.0 25.0-28.0 25.0-32.0 25.0... |
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硫酸锌 | 一水硫酸锌 七水硫酸锌 分子式 ：ZnSO4 .H2O 分子式 ：ZnSO4 .7H2O HG2934-2000 HG/T 2326-2005 CAS# : 7446-19-7 CAS# : 7446-20-0 检验项目 一水 七水 外观 白色粉末 -- 硫酸锌含量 % &... |
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重铬酸钠 | 指 标 名 称 指 标 重铬酸钠（Na2Cr2O7O2H2O）% ≥ 99.3 硫酸盐（SO4）% ≤ 0.2 氯化物（CL-）% ≤ 0.1 包装：高强纸布复合袋软包装，每袋净重50kg。 |
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椰壳活性炭 | 项目 指 标 碘吸附值(mg/g) ≥ 900 充填密度(g/cm3) 0.45 干燥失重(%) ≤ 10 强度(%) ≥ 97 ＰＨ值 6-8 粒度(目) 6-12 用 途 主要用于黄金提炼。40-80目用于高要求的电镀工艺。 包 装 25kg/袋 |
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氟化氢 | HF:≥99.95%; H2O:≤0.03%; SO2:≤0.007%; H2SO4:≤0.005%; H2SiF6:≤0.010%. |
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