• 硫酸鎘 [7790-84-3]

  • 英文名:Cadmium Sulfate,8/3-Hydrate
  • CAS號:7790-84-3 分子式:CDSO4·8/3H2O 分子量:256.52
P103467-250g 硫酸鎘 [7790-84-3] 99.99% metals basis 250g 551.00 促銷價:385.70
P103468-50g 硫酸鎘 [7790-84-3] 99.99% metals basis 50g 226.00 促銷價:158.20
P103469-10g 硫酸鎘 [7790-84-3] 99.99% metals basis 10g 52.00 促銷價:36.40
P103466-100g 硫酸鎘 [7790-84-3] ACS 100g 135.00
P103461-500g 硫酸鎘 [7790-84-3] AR 500g 141.00 促銷價:88.83
P103462-100g 硫酸鎘 [7790-84-3] AR 100g 50.00 促銷價:31.50
訂貨編號 商品名稱 規(guī)格 包裝 單價 促銷價 會員價 數(shù)量
P103467-250g 硫酸鎘 [7790-84-3] 99.99% metals basis 250g 551.00 385.70 登錄可見
P103467-250g 硫酸鎘 [7790-84-3] 99.99% metals basis 250g 551.00 促銷價:385.70
P103468-50g 硫酸鎘 [7790-84-3] 99.99% metals basis 50g 226.00 158.20 登錄可見
P103468-50g 硫酸鎘 [7790-84-3] 99.99% metals basis 50g 226.00 促銷價:158.20
P103469-10g 硫酸鎘 [7790-84-3] 99.99% metals basis 10g 52.00 36.40 登錄可見
P103469-10g 硫酸鎘 [7790-84-3] 99.99% metals basis 10g 52.00 促銷價:36.40
P103466-100g 硫酸鎘 [7790-84-3] ACS 100g 135.00 135.00 登錄可見
P103466-100g 硫酸鎘 [7790-84-3] ACS 100g 135.00
P103461-500g 硫酸鎘 [7790-84-3] AR 500g 141.00 88.83 登錄可見
P103461-500g 硫酸鎘 [7790-84-3] AR 500g 141.00 促銷價:88.83
P103462-100g 硫酸鎘 [7790-84-3] AR 100g 50.00 31.50 登錄可見
P103462-100g 硫酸鎘 [7790-84-3] AR 100g 50.00 促銷價:31.50
  •  訂貨編號
  •  商品名稱
  •  規(guī)格
  •  包裝
  •  單價
  •  促銷價
  •  會員價
  •  數(shù)量

化學(xué)性質(zhì)

無色單斜結(jié)晶。無氣味。加熱到40度以上開始失水,到80度以上成為一水合物,但繼續(xù)加熱不會變灰無水物。易溶于水,幾乎不溶于醇和乙酸乙酯和乙醚。密度: 3.09

質(zhì)量標(biāo)準(zhǔn)

  

Q(HG)SJ 682-95
項目Item                                        分析純    化學(xué)純
                                                  (AR)      (CP)
含量(3CdSO4·8H2O)Assay,%                         ≥99.0       99.0
pH(50g/L溶液,25℃)                               ≤4.0        4.0
澄清度試驗Clarity                                  合格        合格
水不溶物Insoluble matter in water,%               ≤0.003      0.005
氯化物(Cl)Chloride,%                             ≤0.001      0.003
總氮量(N)Total nitrogen,%                         ≤0.002      0.006
鋁(Al)Aluminum,%                                  ≤0.005      0.01
鐵(Fe)Iron,%                                      ≤0.0002     0.0006
銅(Cu)Copper,%                                    ≤0.001      0.002
鋅(Zn)Zinc,%                                      ≤0.002      0.005
砷(As)Arsenic,%                                   ≤0.00005    0.0001
鉛(Pb)Lead,%                                      ≤0.1        0.02
硫化銨不沉淀物(以硫酸鹽計)Substances not
precipitated by ammonium sulfide,%                ≤0.1        0.2

ACS級
項目名稱Item                                       ACS Grade
含量Assay                                         79.5-81.0%
水不溶物 Insoluble matter                         ≤0.005%
硝酸鹽及亞硝酸鹽Nitrate and nitrite(as (NO3)      ≤0.003%
硫酸鹽(SO4)Sulfate                                ≤0.005%
銨(NH4)Ammonium                                   ≤0.005%
鈣(Ca)Calcium(Ca)                                 ≤0.005%
銅(Cu)Copper(Cu)                                  ≤5ppm
鉛(Pb)Lead(Pb)                                    ≤0.005%
鉀(K)Potassium(K)                                 ≤0.02%
鈉(Na)Sodium(Na)                                  ≤0.05%
鋅(Zn)Zinc(Zn)                                    ≤0.05%
鐵(Fe)Iron(Fe)                                    ≤5ppm



99.99% metals basis:


外觀Appearance                          白色結(jié)晶粉末或塊狀物
純度Purity                              ≥99.99% Based On Trace Metals Analysis of ICP
鎘Cd                                    ≥43.0 % (Complexometric EDTA)
ICP:                                    Confirms Cadmium Component Confirmed
痕量金屬分析Trace Metal Analysis        ≤200ppm by ICP Atomic emission

  

危險性質(zhì)

  

用途及存儲

鎘、銅、鎳的電解淀積,制造標(biāo)準(zhǔn)鎘元素,馬許氏試砷法的觸媒,測定硫化氫,檢定反丁烯二酸,電鍍鎘。

  密封干燥保存。