NY/T 1971-2010
Water-soluble fertilizers.Determination of humic-acids content (English Version)

Standard No.

NY/T 1971-2010

Language

Chinese, Available in English version

Release Date

2010

Published By

Professional Standard - Agriculture

Latest

NY/T 1971-2010

Scope

This standard specifies the test method for the determination of humic acid content in water-soluble fertilizers by redox titration after acid precipitation. This standard is applicable to the determination of humic acid in liquid or solid water-soluble fertilizers.

NY/T 1971-2010 history

• 2010 NY 1106-2010 Water-soluble fertilizers containing humic-acids
• 2006 NY 1106-2006 Water-soluble fertilizers containing bumic-acids