GB 3597-1983
Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method (English Version)

Standard No.

GB 3597-1983

Language

Chinese, Available in English version

Release Date

1983

Published By

Professional Standard - Agriculture

Status

Be replaced 2003-04

Replace By

GB/T 3597-2002

Latest

GB/T 3597-2002

Scope

This standard specifies the determination of nitrate nitrogen content in fertilizers by the nitrogen reagent gravimetric method. This method is suitable as a reference method and can be used for all fertilizers. Note: When there is an excess of 9 times the nitrogen content of chloride present, the result will be 0.4% higher.

GB 3597-1983 history

• 2002 GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
• 1983 GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method

GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method was changed to GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method.