氟化氢
HF:≥99.95%; H2O:≤0.03%; SO2:≤0.007%; H2SO4:≤0.005%; H2SiF6:≤0.010%.在线联系供应商
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| 氧化锌 | 检测项目 间接法 指标 直接法 指标 氧化锌(以干品计) (ZnO) % ≥ 99.7 99.5 金属物(以Zn计) % ≤ -- -- 氧化铅(以Pb计) % ≤ 0.037 0.12 锰的氧化物(以Mn计) % ≤ 0.0001 0.0002 氧化铜(以C... | |
| 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。 | |
| 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... | |
| 二甲胺 | 外观:无色透明液体。 二甲胺≥99.8%; 一甲胺≤0.10%; 三甲胺≤0.05%; 氨≤0.03%; | |
| 黄金吸附专用树脂 | 理化性能指标 指标 功能基 -N+(CH3) 2H2O 外观 乳白色不透明球体 出厂型式 CLˉ 含水量 % 45-55 质量全交换容量 mmol/g ≥5.0 体积全交换容量 mmol/ml ≥1.50 湿视密度 g/ml 1.05-1.1 湿真密... |
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