Cadmium sulfate octahydrate

Số CAS: 7790-84-3
Khối lượng phân tử: 352.60
Công thức phân tử / ký hiệu hóa học: CdH16O12S

Mô tả

Colorless monoclinic crystal, no smell. Heated to forty degrees began to dehydrate, to 80 degrees above a hydrate, but continue to heating not become grey anhydride. Soluble in water, almost insoluble in alcohol and ethyl acetate and ethyl ether.

ỨNG DỤNG

Cadmium, copper, nickel electrolytic deposition, manufacturing standard cadmium, ma hui test method of determination of arsenic catalyst, hydrogen sulphide, verification fumaric acid, cadmium plating.

Keywords:Surface treatment chemicals

Phiếu kiểm nghiệm

Product name		Cadmium sulfate octahydrate			CAS:7790-84-3
Appearance		Colorless monoclinic crystal, no smell
Chemical formula		CdSO4·8/3H2O			Purity:
Test items(5)			Test results
	analytically pure（AR）			Chemically pure（CP）
Content (3 cdso4 · 8 h2o)	99.0			99.0
PH (fifty g/L solution, 25 ℃) or less	4.0			4.0
clarity Test	qualified			qualified
Water-insoluble, or less	0.003			0.005
Ammonium sulfide not sediment (in sulfate meter), or less	0.1			0.2
Chloride (Cl), or less	0.001			0.003
Total nitrogen (N), or less	0.002			0.006
Aluminum (Al),acuities	0.005			0.01
Arsenic (As),acuities	0.00005			0.0001
Iron determine if flexion-extension (Fe) radiographs, acuities	0.0002			0.0006
Copper (Cu), or less	0.001			0.002
Zinc (Zn),acuities	0.002			0.005
Lead (Pb), acuities	0.1			0.02