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%;在线联系供应商
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| 硫酸铜 | 检测项目 优级品 饲料级 硫酸铜(CuSO4.5H2O) % ≥ 98 98.5 酸度(H2SO4) % ≤ 0.2 0.2 水不溶物 % ≤ 0.2 0.2 Pb ≤ 10ppm As ≤ 5ppm 包装:25kg袋。 | |
| 三聚磷酸铝 | 型号 APW-1 APW-2 ATP 五氧化二磷(%) ≥ 42.5-46.5 35.0-40.0 64-68 三氧化二铝(%) ≤ 11.0-15.0 9.5-13.5 13-17 二氧化硅(%) ≤ 13.5-17.0 11.5-15.5 氧化锌(%) ≤... | |
| 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 | |
| 硫酸铵 | 检测项目 指标 外观 白色结晶 氮含量(以干基计),% ≥ 21 水分(H2O),% ≤ 0.2 游离酸(H2SO4)含量,% ≤ 0.03 铁(Fe)含量,% ≤ 0.007 砷含量(As)含量,% ≤ 0.00005 重金属(以pb计)含量,% ... | |
| 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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