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Liquid ammonia
Index name
Index
Top grade
First grade
Qualified product
Ammonia content,% ≥
99.9
99.8
99.6
Residue content,% ≤
0.1 (weight method)
0.2
0.4
Moisture,% ≤
0.1
Oil content, mg / kg
5 (weight method)
2 (infrared spectroscopy)
Iron content, mg / kg ≤
1
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