Cadmium sulfate CAS 10124-36-4

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Model: MOS10124-36-4
Brand Name: MOSINTER
CAS No.: 10124-36-4
Purity: 99MIN
Appearance: Colorless crystals
Chloride (Cl) %≤: 0.001
Iron (Fe) %≤: 0.0002
Not ammonium sulfide precipitate (as sulfate) %≤: 0.1
Clarity test / No. ≤: 4
PH ≥: 4.0
Total nitrogen (N) %≤: 0.002
Water insoluble %≤: 0.003
Aluminum (Al) %≤: 0.005
Copper (Cu) %≤: 0.001
Category:

 Cadmium sulfate (CAS: 10124-36-4)

 

Item Index
Appearance Colorless crystals
Purity %≥ 99.0
Chloride (Cl) %≤ 0.001
Not ammonium   sulfide precipitate (as sulfate) %≤ 0.1
Iron (Fe)   %≤ 0.0002
Clarity test / No.   ≤ 4
PH ≥ 4.0
Water   insoluble %≤ 0.003
Aluminum (Al)   %≤ 0.005
Total   nitrogen (N) %≤ 0.002
Copper (Cu)   %≤ 0.001
Zinc (Zn)   %≤ 0.002
Arsenic (As)   %≤ 0.00005
Lead (Pb) %≤ 0.01

 

Cadmium sulfate is the name of a series of related inorganic compounds with the formula CdSO4.xH2O. The most common form is the monohydrate CdSO4.H2O, but two other forms are known CdSO4.8/3H2O and the anhydrous salt (CdSO4). All salts are colourless and highly soluble in water.

Preparation and occurrence

Cadmium sulfate octohydrate can be prepared by the reaction of cadmium metal or its oxide or hydroxide with dilute sulfuric acid:

CdO + H2SO4 → CdSO4 + H2OCd + H2SO4 → CdSO4 + H2

The anhydrous material is prepared using sodium persulfate:

Cd + Na2S2O8 → CdSO4 + Na2SO4

Cadmium sulfate is very rarely found naturally as the tetrahydrate mineral drobecite (CdSO4·4H2O) and as a basic salt in the mineral niedermayrite(Cu4Cd(SO4)2(OH)6·4H2O).

Applications

Cadmium sulfate is used widely for the electroplating of cadmium in electronic circuits. It is also a precursor to cadmium-based pigment such ascadmium sulfide.

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