鎢酸鈉
專案Item 分析純 化學純
(AR) (CP)
含量(Na2WO4·2H2O)Assay,% ≥99.5 99.0
鹼性試驗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 白色結晶或結晶粉末
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 %
可滴定鹼Titratable base ≤0.02 meq
99.995% metals basis:
外觀Appearance 白色粉末、結晶或塊狀
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)
鎢酸鈉
專案Item 分析純 化學純
(AR) (CP)
含量(Na2WO4·2H2O)Assay,% ≥99.5 99.0
鹼性試驗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
鎢酸鈉
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 白色結晶或結晶粉末
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 %
鎢酸鈉
重金屬和鐵Heavy Metals and Iron (as Lead) ≤0.001 %
鉬Molybdenum ≤0.001 %
硫酸根Sulfate (SO4) ≤0.01 %
可滴定鹼Titratable base ≤0.02 meq
99.995% metals basis:
外觀Appearance 白色粉末、結晶或塊狀
純度Purity ≥99.995% Based On Trace Metals Analysis of ICP
鎢酸鈉
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
鎢酸鈉
(B、Ba、Ca、Co、Cr、Cu、K、Ni、Ti)