含量[NH₄Cl]          

≥99.5

澄清度试验

≤3

PH(50g/L，25℃)

4.5～5.5

水不溶物                           

≤0.005 

灼烧残渣(以硫酸盐计)                

≤0.02

硫酸盐(SO₄)                         

≤0.005 

磷酸盐(PO₄)                         

≤0.0005

钠(Na)                             

≤0.005 

镁(Mg)                             

≤0.001

钾(K)                             

≤0.005 

钙(Ca)                             

≤0.001 

铁(Fe)                              

≤0.0005