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鎢酸鈉 [10213-10-2]
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英文名：Sodium tungstate dihydrate
- 別名：鎢酸鈉,二水 鎢酸鈉二水合物 二水合鎢酸鈉 正鎢酸鈉
- CAS號：10213-10-2 分子式：H4NA2O6W 分子量：329.85
P100581-500g 鎢酸鈉 [10213-10-2] ACS, 99.0-101.0% 500g 420.00
P100580-100g 鎢酸鈉 [10213-10-2] ACS, 99.0-101.0% 100g 98.00
P100586-500g 鎢酸鈉 [10213-10-2] AR 500g 150.00 促銷價:97.50
P100585-100g 鎢酸鈉 [10213-10-2] AR 100g 63.00 促銷價:40.95
P100588-25g 鎢酸鈉 [10213-10-2] AR 25g 36.00 促銷價:23.40
P100589-500g 鎢酸鈉 [10213-10-2] GR 500g 163.00 促銷價:105.95
P100588-25g 鎢酸鈉 [10213-10-2] SP 25g 160.00
| 訂貨編號 | 商品名稱 | 規(guī)格 | 包裝 | 單價 | 促銷價 | 會員價 | 數(shù)量 |
| P100582-5g | 鎢酸鈉 [10213-10-2] | 99.995% | 5g | 285.00 | 285.00 | 登錄可見 |
P100582-5g 鎢酸鈉 [10213-10-2] 99.995% 5g 285.00
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| P100581-500g | 鎢酸鈉 [10213-10-2] | ACS, 99.0-101.0% | 500g | 420.00 | 420.00 | 登錄可見 |
P100581-500g 鎢酸鈉 [10213-10-2] ACS, 99.0-101.0% 500g 420.00
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| P100580-100g | 鎢酸鈉 [10213-10-2] | ACS, 99.0-101.0% | 100g | 98.00 | 98.00 | 登錄可見 |
P100580-100g 鎢酸鈉 [10213-10-2] ACS, 99.0-101.0% 100g 98.00
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| P100586-500g | 鎢酸鈉 [10213-10-2] | AR | 500g | 150.00 |
97.50
|
登錄可見 |
P100586-500g 鎢酸鈉 [10213-10-2] AR 500g 150.00 促銷價:97.50
|
| P100585-100g | 鎢酸鈉 [10213-10-2] | AR | 100g | 63.00 |
40.95
|
登錄可見 |
P100585-100g 鎢酸鈉 [10213-10-2] AR 100g 63.00 促銷價:40.95
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| P100588-25g | 鎢酸鈉 [10213-10-2] | AR | 25g | 36.00 |
23.40
|
登錄可見 |
P100588-25g 鎢酸鈉 [10213-10-2] AR 25g 36.00 促銷價:23.40
|
| P100589-500g | 鎢酸鈉 [10213-10-2] | GR | 500g | 163.00 |
105.95
|
登錄可見 |
P100589-500g 鎢酸鈉 [10213-10-2] GR 500g 163.00 促銷價:105.95
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| P100588-25g | 鎢酸鈉 [10213-10-2] | SP | 25g | 160.00 | 160.00 | 登錄可見 |
P100588-25g 鎢酸鈉 [10213-10-2] SP 25g 160.00
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化學(xué)性質(zhì)
質(zhì)量標(biāo)準(zhǔn)
99.995% metals basis：
外觀Appearance 白色粉末、結(jié)晶或塊狀
純度Purity ≥99.995% Based On Trace Metals Analysis of ICP
ICP: Confirms Tungsten Component Confirmed
鎢W 54.3 - 57.1 % (With Cinchonine)
痕量金屬分析Trace Metal Analysis ≤60ppm by ICP Atomic emission
(B、Ba、Ca、Co、Cr、Cu、K、Ni、Ti)
項目Item 分析純 化學(xué)純
(AR) (CP)
含量(Na2WO4·2H2O)Assay,% ≥99.5 99.0
堿性試驗Akali test 合格 合格
氯化物(Cl)Chloride,% ≤0.005 0.007
硫酸鹽(SO4)Sulfate,% ≤0.01 0.02
氮化合物(N)Nitrogen,% ≤0.001 0.004
鐵(Fe)Iron,% ≤0.0005 0.0001
鉬(Mo)Molybdenum,% ≤0.001 0.005
砷(As)Arsenic,% ≤0.0005 0.0005
重金屬(以Pb計)Heavy metals,% ≤0.0005 0.0002
品級Grade ACS級
(ACS, 99.0-101.0% )
外觀Appearance 白色結(jié)晶或結(jié)晶粉末
X-射線衍射分析X-Ray Diffraction Conforms to Structure
純度Purity 99.0 - 101.0 % (Gravimetric Analysis)
不溶物Insoluble matter ≤0.01 %
氯Chloride Content ≤0.005 %
重金屬和鐵Heavy Metals and Iron (as Lead) ≤0.001 %
鉬Molybdenum ≤0.001 %
硫酸根Sulfate (SO4) ≤0.01 %
可滴定堿Titratable base ≤0.02 meq
危險性質(zhì)
危險品標(biāo)志 Xn
WGK Germany 1
RTECS號 YO7900000
危險類別碼 22-36/38
安全說明 36-37/39-26
海關(guān)編碼 28418000
用途及存儲
用途 用于金屬鎢、鎢酸及鎢酸鹽類的制造。用做媒染劑、顏料和催化劑。還可做織物防火劑以及分析化學(xué)試劑。
用途 用于制造金屬鎢、鎢酸、鎢酸鹽、染料、油墨、催化劑等
