钨酸钠 [10213-10-2]
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英文名:Sodium tungstate dihydrate
- 别名:钨酸钠,二水 钨酸钠二水合物 二水合钨酸钠 正钨酸钠
- CAS号:10213-10-2 分子式:H4NA2O6W 分子量:329.85
P100581-500g 钨酸钠 [10213-10-2] ACS, 99.0-101.0% 500g 420.00
P100580-100g 钨酸钠 [10213-10-2] ACS, 99.0-101.0% 100g 98.00
P100586-500g 钨酸钠 [10213-10-2] AR 500g 150.00 促销价:97.50
P100585-100g 钨酸钠 [10213-10-2] AR 100g 63.00 促销价:40.95
P100588-25g 钨酸钠 [10213-10-2] AR 25g 36.00 促销价:23.40
P100589-500g 钨酸钠 [10213-10-2] GR 500g 163.00 促销价:105.95
P100588-25g 钨酸钠 [10213-10-2] SP 25g 160.00
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
P100582-5g | 钨酸钠 [10213-10-2] | 99.995% | 5g | 285.00 | 285.00 | 登录可见 |
P100582-5g 钨酸钠 [10213-10-2] 99.995% 5g 285.00
|
P100581-500g | 钨酸钠 [10213-10-2] | ACS, 99.0-101.0% | 500g | 420.00 | 420.00 | 登录可见 |
P100581-500g 钨酸钠 [10213-10-2] ACS, 99.0-101.0% 500g 420.00
|
P100580-100g | 钨酸钠 [10213-10-2] | ACS, 99.0-101.0% | 100g | 98.00 | 98.00 | 登录可见 |
P100580-100g 钨酸钠 [10213-10-2] ACS, 99.0-101.0% 100g 98.00
|
P100586-500g | 钨酸钠 [10213-10-2] | AR | 500g | 150.00 | 97.50 | 登录可见 |
P100586-500g 钨酸钠 [10213-10-2] AR 500g 150.00 促销价:97.50
|
P100585-100g | 钨酸钠 [10213-10-2] | AR | 100g | 63.00 | 40.95 | 登录可见 |
P100585-100g 钨酸钠 [10213-10-2] AR 100g 63.00 促销价:40.95
|
P100588-25g | 钨酸钠 [10213-10-2] | AR | 25g | 36.00 | 23.40 | 登录可见 |
P100588-25g 钨酸钠 [10213-10-2] AR 25g 36.00 促销价:23.40
|
P100589-500g | 钨酸钠 [10213-10-2] | GR | 500g | 163.00 | 105.95 | 登录可见 |
P100589-500g 钨酸钠 [10213-10-2] GR 500g 163.00 促销价:105.95
|
P100588-25g | 钨酸钠 [10213-10-2] | SP | 25g | 160.00 | 160.00 | 登录可见 |
P100588-25g 钨酸钠 [10213-10-2] SP 25g 160.00
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化学性质
质量标准
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)
项目Item 分析纯 化学纯
(AR) (CP)
含量(Na2WO4·2H2O)Assay,% ≥99.5 99.0
碱性试验Akali test 合格 合格
氯化物(Cl)Chloride,% ≤0.005 0.007
硫酸盐(SO4)Sulfate,% ≤0.01 0.02
氮化合物(N)Nitrogen,% ≤0.001 0.004
铁(Fe)Iron,% ≤0.0005 0.0001
钼(Mo)Molybdenum,% ≤0.001 0.005
砷(As)Arsenic,% ≤0.0005 0.0005
重金属(以Pb计)Heavy metals,% ≤0.0005 0.0002
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
危险性质
危险品标志 Xn
WGK Germany 1
RTECS号 YO7900000
危险类别码 22-36/38
安全说明 36-37/39-26
海关编码 28418000
用途及存储
用途 用于金属钨、钨酸及钨酸盐类的制造。用做媒染剂、颜料和催化剂。还可做织物防火剂以及分析化学试剂。
用途 用于制造金属钨、钨酸、钨酸盐、染料、油墨、催化剂等