首頁>Club>
7
回覆列表
  • 1 # 使用者1465952783644

    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)

  • 中秋節和大豐收的關聯?
  • 音箱分頻器怎麼裝?