|
Molecular formula:CH3COONa.3H20
Molecular weight: 136.08 character: colorless and odorless crystal. It is easily weathered in the air, soluble in water and ethanol and slightly soluble in acetic acid. Specific gravity 1.45, melting point 58 ℃.
Enterprise standard: Q / 140902zyh002-2020
Application:
• carbon source dosing for sewage treatment
• antifreeze, snow melting agent
• printing and dyeing, medicine, chemical reagent
• industrial catalysts, additives
• additives, corrosion protection and preservation
Index of industrial sodium acetate trihydrate
|
content（CH3COONa.3H20）%
|
58-60
|
|
游离酸%
|
≤0.03
|
|
Water insoluble matter%
|
≤0.04
|
|
chloride（Cl）%
|
≤0.04
|
|
iron（Fe）%
|
≤0.0002
|
Indicators of sodium acetate trihydrate
|
content（CH3COONa.3H20）%
|
99-100
|
|
Free base%
|
≤0.12
|
|
potassium（K）%
|
≤0.01
|
|
Free base（Pb）%
|
≤0.0005
|
|
arsenic（As）%
|
≤0.0001
|
|
Free water%
|
≤0.1
|
Indicators of medicinal sodium acetate trihydrate
|
content（CH3COONa.3H20）%
|
≥99.5
|
|
ph(50g/125℃)(5%aqueous solution)
|
7.5-9.0
|
|
Clarity test
|
qualified
|
|
Water insoluble matter%
|
≤0.005
|
|
chloride（Cl）%
|
≤0.001
|
|
sulfate（S04）%
|
≤0.005
|
|
phosphate（PO4）%
|
≤0.0005
|
|
magnesium(Mg)%
|
≤0.001
|
|
calcium(Ca)%
|
≤0.025
|
|
iron（Fe）%
|
≤0.0003
|
|
lead（Pb）%
|
≤0.001
|
|
arsenic（As）%
|
≤0.0002
|
|
Easy oxide%
|
qualified
|
试剂级三水醋酸钠指标
|
Name
|
优级纯
|
分析纯
|
化学纯
|
|
content（CH3COONa.3H20）%
|
≥99.5
|
≥99.0
|
≥98.0
|
|
ph(50g/125℃)(5%aqueous solution)
|
7.5-9.0
|
7.5-9.0
|
7.5-9.0
|
|
Clarity test
|
qualified
|
qualified
|
qualified
|
|
Water insoluble matter%
|
≤0.002
|
≤0.002
|
≤0.002
|
|
chloride（Cl）%
|
≤0.0003
|
≤0.001
|
≤0.003
|
|
sulfate（S04）%
|
≤0.002
|
≤0.005
|
≤0.005
|
|
phosphate（PO4）%
|
≤0.0002
|
≤0.0002
|
≤0.0005
|
|
aluminium(Al)%
|
≤0.0005
|
≤0.0005
|
≤0.001
|
|
potassium(k)%
|
≤0.002
|
|
|
|
calcium(Ca)%
|
≤0.001
|
≤0.002
|
≤0.005
|
|
iron（Fe）%
|
≤0.0002
|
≤0.0002
|
≤0.0005
|
|
copper（Cu）%
|
≤0.0005
|
≤0.0005
|
≤0.001
|
|
lead（Pb）%
|
≤0.0005
|
≤0.0005
|
≤0.001
|
|
Reducing high acid potassium material(CHOOH)%
|
≤0.005
|
≤0.01
|
≤0.02
|
|
