试剂级硫酸铵

质量指标

GB 29206-2012

试剂级GB1396-93

含量((NH₄)₂SO₄)    ≥w/%

99.0-100.5

99.0-100.5

灼烧残渣         ≤w/%

0.25

0.004

砷（以As计）    ≤(mg/kg)

3

2

硒               ≤(mg/kg)    

30

---

铅               ≤(mg/kg)   

3

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Specification

GB 29206-2012

Reagent grade/GB1396-93

Content((NH₄)₂SO₄)   ≥w/%

99.0-100.5

99.0-100.5

Ignition residue      ≤w/%

0.25

0.004

Arsenic (as As)    ≤(mg/kg)

3

2

Se              ≤(mg/kg)    

30

---

Pb              ≤(mg/kg)  

3

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