品名 | 规格 | 包装 | 单价 | 货期 |
钨酸钠 | AR | 500g | 220元 | 促销 |
钨酸钠 | AR | 100g | 68.2元 | 促销 |
品级Grade ACS级
(ACS, 99.0-101.0% )
外观Appearance 白色结晶或结晶粉末
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity 99.0 - 101.0 % (Gravimetric Analysis)
不溶物Insoluble matter ≤0.01 %
氯Chloride Content ≤0.005 %
重金属和铁Heavy Metals and Iron (as Lead) ≤0.001 %
钼Molybdenum ≤0.001 %
硫酸根Sulfate (SO4) ≤0.01 %
可滴定碱Titratable base ≤0.02 meq
99.995% metals basis:
外观Appearance 白色粉末、结晶或块状
纯度Purity ≥99.995% Based On Trace Metals Analysis of ICP
ICP: Confirms Tungsten Component Confirmed
钨W 54.3 - 57.1 % (With Cinchonine)
痕量金属分析Trace Metal Analysis ≤60ppm by ICP Atomic emission
(B、Ba、Ca、Co、Cr、Cu、K、Ni、Ti)
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