硫酸镉 [7790-84-3]
-
英文名:Cadmium Sulfate,8/3-Hydrate
- CAS号:7790-84-3 分子式:CDSO4·8/3H2O 分子量:256.52
P103468-50g 硫酸镉 [7790-84-3] 99.99% metals basis 50g 226.00 促销价:158.20
P103469-10g 硫酸镉 [7790-84-3] 99.99% metals basis 10g 52.00 促销价:36.40
P103466-100g 硫酸镉 [7790-84-3] ACS 100g 135.00
P103461-500g 硫酸镉 [7790-84-3] AR 500g 141.00 促销价:88.83
P103462-100g 硫酸镉 [7790-84-3] AR 100g 50.00 促销价:31.50
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
P103467-250g | 硫酸镉 [7790-84-3] | 99.99% metals basis | 250g | 551.00 | 385.70 | 登录可见 |
P103467-250g 硫酸镉 [7790-84-3] 99.99% metals basis 250g 551.00 促销价:385.70
|
P103468-50g | 硫酸镉 [7790-84-3] | 99.99% metals basis | 50g | 226.00 | 158.20 | 登录可见 |
P103468-50g 硫酸镉 [7790-84-3] 99.99% metals basis 50g 226.00 促销价:158.20
|
P103469-10g | 硫酸镉 [7790-84-3] | 99.99% metals basis | 10g | 52.00 | 36.40 | 登录可见 |
P103469-10g 硫酸镉 [7790-84-3] 99.99% metals basis 10g 52.00 促销价:36.40
|
P103466-100g | 硫酸镉 [7790-84-3] | ACS | 100g | 135.00 | 135.00 | 登录可见 |
P103466-100g 硫酸镉 [7790-84-3] ACS 100g 135.00
|
P103461-500g | 硫酸镉 [7790-84-3] | AR | 500g | 141.00 | 88.83 | 登录可见 |
P103461-500g 硫酸镉 [7790-84-3] AR 500g 141.00 促销价:88.83
|
P103462-100g | 硫酸镉 [7790-84-3] | AR | 100g | 50.00 | 31.50 | 登录可见 |
P103462-100g 硫酸镉 [7790-84-3] AR 100g 50.00 促销价:31.50
|
化学性质
质量标准
Q(HG)SJ 682-95
项目Item 分析纯 化学纯
(AR) (CP)
含量(3CdSO4·8H2O)Assay,% ≥99.0 99.0
pH(50g/L溶液,25℃) ≤4.0 4.0
澄清度试验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
总氮量(N)Total nitrogen,% ≤0.002 0.006
铝(Al)Aluminum,% ≤0.005 0.01
铁(Fe)Iron,% ≤0.0002 0.0006
铜(Cu)Copper,% ≤0.001 0.002
锌(Zn)Zinc,% ≤0.002 0.005
砷(As)Arsenic,% ≤0.00005 0.0001
铅(Pb)Lead,% ≤0.1 0.02
硫化铵不沉淀物(以硫酸盐计)Substances not
precipitated by ammonium sulfide,% ≤0.1 0.2
ACS级
项目名称Item ACS Grade
含量Assay 79.5-81.0%
水不溶物 Insoluble matter ≤0.005%
硝酸盐及亚硝酸盐Nitrate and nitrite(as (NO3) ≤0.003%
硫酸盐(SO4)Sulfate ≤0.005%
铵(NH4)Ammonium ≤0.005%
钙(Ca)Calcium(Ca) ≤0.005%
铜(Cu)Copper(Cu) ≤5ppm
铅(Pb)Lead(Pb) ≤0.005%
钾(K)Potassium(K) ≤0.02%
钠(Na)Sodium(Na) ≤0.05%
锌(Zn)Zinc(Zn) ≤0.05%
铁(Fe)Iron(Fe) ≤5ppm
99.99% metals basis:
外观Appearance 白色结晶粉末或块状物
纯度Purity ≥99.99% Based On Trace Metals Analysis of ICP
镉Cd ≥43.0 % (Complexometric EDTA)
ICP: Confirms Cadmium Component Confirmed
痕量金属分析Trace Metal Analysis ≤200ppm by ICP Atomic emission
危险性质
用途及存储
镉、铜、镍的电解淀积,制造标准镉元素,马许氏试砷法的触媒,测定硫化氢,检定反丁烯二酸,电镀镉。
密封干燥保存。