Tungstosilicic acid hydrate
Molecular Structure:
MDL:
MFCD00150392
Molecular Formula:
H4[Si(W3O10)4]·xH2O
Molecular Weight:
2878.17(无水酸)
Alias:
Silicotungstic acid
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Tungstosilicic acid hydrate |
AR |
25g |
RMB 44 |
Consulting service |
Tungstosilicic acid hydrate |
AR |
100g |
RMB 198 |
Consulting service |
Character:
白色或淡黄色潮解结晶,易溶于水和醇。受热则溶于本身的结晶水,加热至600~650℃时分解。
Quality Standard:
项目Item 分析纯 化学纯
(AR) (CP)
水不溶物Insoluble matter in water,% ≤ 0.01 0.02
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 17.0 17.0
氯化物(Cl)Chloride,% ≤ 0.001 0.003
硫酸盐(SO4)Sulfate,% ≤ 0.005 0.01
硝酸盐(NO3)Nitrate,% ≤ 0.01 0.02
钨酸盐(WO4)Tungstate 合格 合格
二氧化硅(SiO2)Silicon dioxide,% 1.80~2.35 1.80~2.35
重金属(以Pb计)Heavy metals,% ≤ 0.002 0.005
Storage:
密封干燥处保存。
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