品名 | 规格 | 包装 | 单价 | 货期 |
钨酸 | GR,99% | 500g | 528元 | 现货 |
钨酸 | 99.95% metals basis | 100g | 198元 | 现货 |
钨酸 | 99.999% metals basis | 5g | 869元 | 咨询客服 |
外观Appearance 黄色至黄橙色粉末
X-射线衍射分析X-Ray Diffraction Conforms to standard
ICP Confirms
纯度Purity >99.0% (T)
不溶于NaOH物质insoluble matter in NaOH ≤0.2%
干燥损失loss on ignition ≤8%
项目 分析纯
(AR)
钙calcium ≤0.01%
磷phosphorus ≤0.01%
硫化合物sulfur compounds ≤0.02%
钼molybdenum ≤0.02%
砷arsenic ≤0.02%
铁iron ≤0.005%
灼烧残渣residue on ignition ≤0.15%
灼烧失重calcination loss 7.0~15.0%
99.999% metals basis:
外观Appearance Yellow Powder
X-射线衍射分析X-Ray Diffraction Conforms to standard
纯度Purity ≥99.999% Based on Trace Metals Impurities of ICP
ICP Assay Confirms Tungstic component
痕量金属分析total metallic impurities ≤20ppm by ICP Atomic emission
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