This standard is applicable to ternary or binary compound fertilizers containing hydrogen carbonate as the main nitrogen source and containing rare earth elements. This standard specifies the technical requirements and test methods for rare earth elements mixed with carbon dioxide compound fertilizers.
HG/T 2842-1997 history
1997HG 2842-1997 Rare earths content and determination in ammonium bicarbonate-compound fertilizers(tentadtive)
HG/T 2842-1997 Content and determination of rare earth elements in ammonium bicarbonate compound fertilizer (provisional) was changed to HG 2842-1997 Rare earths content and determination in ammonium bicarbonate-compound fertilizers(tentadtive).