General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 3595-2000
Scope
This standard specifies the method for the determination of ammoniacal nitrogen content in fertilizers by titration after distillation. This standard is applicable only when the sample does not contain urea or its derivatives, cyanamide and organic nitrogen-containing compounds, and it can also be applied to corresponding industrial products.
GB/T 3595-2000 history
2000GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
1983GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation