高纯醋酸铵 高纯***铵 ***级醋酸铵生产厂家
一、化学名:***铵
二、分子式:CH3COONH4
三、分子量:77.08
四、CAS:631-61-8
五、性状:有***气味的白色三角晶体。溶于水和乙醇,水溶液显中性。
六、用途:用作
质量指标
Specification
GB/T 1292-2008
含量(CH3COONH4),w/% ≥
Assay(CH3COONH4),w/% ≥
97.0
pH值(50g/L,25℃)
pH (50g/L,25℃)
6.5-7.5
澄清度试验/号 ≤
Clarity Test/No ≤
5
水不溶物,w/% ≤
Insoluble Substances,w/% ≤
0.01
灼烧残渣(以***盐计),w/% ≤
Ignition Residue (As Sulfates),w/% ≤
0.01
氯化物(Cl),w/% ≤
Chlorides (Cl),w/% ≤
0.001
***盐(SO4),w/% ≤
Sulfates (SO4),w/% ≤
0.005
镁(Mg),w/% ≤
Magnesium (Mg),w/% ≤
0.001
钙(Ca),w/% ≤
Calcium (Ca),w/% ≤
0.002
铁(Fe),w/% ≤
Iron (Fe),w/% ≤
0.001
***(以Pb计),w/% ≤
He***y Metals (As Pb),w/% ≤
0.001