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| 最新价格和质量标准 |
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| 氧 化 铜 |
分 析 纯 |
化 学 纯 |
工 业 级 |
| 项 目 |
指 标 |
指 标 |
指 标 |
| 含量 % ≥ |
99.0 |
98.0 |
96.0 |
| 盐酸不溶物 % ≤ |
0.02 |
0.05 |
0.20 |
| 氯化物(Cl)% ≤ |
0.003 |
0.005 |
-- |
| 硫化合物(SO4)% ≤ |
0.01 |
0.05 |
-- |
| 氮化合物(N)% ≤ |
0.002 |
0.005 |
-- |
| 碳化合物(以CO2计)% ≤ |
0.025 |
0.10 |
-- |
| 铁(Fe)% ≤ |
0.01 |
0.04 |
-- |
| 氧化亚铜(Cu2O)% ≤ |
0.05 |
0.10 |
-- |
| 硫化氢不沉淀物 % ≤ |
0.20 |
0.50 |
-- |
| 最近产品供应情况 |
× |
× |
√ |
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| Cupric Oxide, Black, Powder, Reagent, ACS |
| General Chemical Specifications: |
| Assay(CuO) |
Min. 99.0% |
| MAXIMUM LIMITS |
| Insoluble in Dilute Hydrochloric Acid |
0.02% |
| Carbon Compounds (as C) |
0.01% |
| Chloride(Cl) |
0.005% |
| Nitrogen Compounds (as N) |
0.002% |
| Sulfate(SO4) |
0.02% |
| Free Alkali |
To pass test |
| Calcium(Ca) |
0.01% |
| Iron(Fe) |
0.05% |
| Potassium(K) |
0.02% |
| Sodium(Na) |
0.05% |
| Lead(Pb) |
0.01% |
| Recent product supply situation |
√ |
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