GB/T 35106-2017
ActiveDetermination of unbound humic acid content from mineral source
矿物源游离腐殖酸含量的测定
Application Summary AI generated
This standard specifies the test method for determining the content of unbound humic acid extracted from mineral sources such as weathered coal, lignite, and peat. It is primarily applied in the agricultural fertilizer industry for quality control and certification of humic acid-based soil conditioners and organic fertilizers. The method ensures accurate measurement of the active humic acid fraction, which directly influences product efficacy in improving soil structure and nutrient availability.
Related Standards
NY/T 883-2004
Technical regulation for production of agricultural microbial inoculants
NY 609-2002
Organic matter-decomposing inoculant
GB/T 19524.2-2004
Determination of mortality of ascarid egg in fertilizers
GB/T 19524.1-2004
Determination of fecal coliforms in fertilizers
GB/T 19203-2003
Determination of calcium，magnesium andsulphur content for compound fertilizer
GB/T 2947-2002
Determination of free water in urea and ammonium nitrate by karl fischer method
GB/T 3597-2002
Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T 3559-2001
Ammonium bicarbonate for agricultural use
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.