HJ 717-2014
Soil quality.Determination of total nitrogen.Modified Kjeldahl method (English Version)

Standard No.

HJ 717-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Environmental Protection

Latest

HJ 717-2014

Scope

This standard specifies the Kjeldahl method for determination of total nitrogen content in soil samples. This standard applies to the determination of total nitrogen in soil. When the sampling amount is 1 g, the detection limit of this standard method is 48 mg/kg.

HJ 717-2014 Referenced Document

• HJ 537 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
• HJ 613 Soil.Determination of dry matter and water content.Gravimetric method
• HJ/T 166 Technical specification for soil environmental monitoring

HJ 717-2014 history

• 2014 HJ 717-2014 Soil quality.Determination of total nitrogen.Modified Kjeldahl method