can't read?
: H 1437
: 68514-28-3
: for synthesis
: C9H8K2O4
: 258.35
: Humic acid is a principal component of humic substances, which are the major organic constituents of soil (humus), peat and coal. It is also a major organic constituent of many upland streams, dystrophic lakes, and ocean water.
: H 1437 (OTTO) Humic acid Cas 68514-28-3 - used as biological organic fertilizer.
: Carbonyl compounds,Carboxylic acid salts
: Powder
: Black
: 60-70%
: 15-20%
: Max 15%
WGK Germany 3