This standard specifies the determination method of humic acid carbon coefficient in humic acid raw materials and fertilizers. This standard is applicable to the determination of humic acid carbon coefficient in humic acid raw materials such as weathered coal, lignite, peat, and biomass resources, humates, and humic acid-containing fertilizers.
T/CHAIA 6-2019 history
2019T/CHAIA 6-2019 Determination method of humic acid carbon coefficient