GB/T 38072-2019Fulvic acid raw materials and fertilizers-Terms (English PDF)

2.1 Basic terminology

2.1.1 Humic substance

Residues of plants and animals, mainly plant residues, are accumulated and transformed by microorganisms, and accumulated by a series of geophysical and chemical processes.

a class of aromatic, aliphatic, and various functional groups that are converted by biochemical techniques using non-mineral source biomass feedstocks.

Amorphous organic weak acid mixture.

Note. Its main components are humic acid, fulvic acid and insoluble humin.

2.1.2 Fulvic acid

A group of humic substances with a relatively small molecular mass, soluble in both dilute alkali solution and acid and water, having aromatic, aliphatic and

A mixture of amorphous, slightly weak yellow or brownish yellow organic weak acid compounds characterized by various functional groups.

2.1.3 Mineral source fulvic acid

The fulvic acid extracted from organic minerals such as weathered coal, lignite, peat and oil shale.

2.1.4 Biomass fulvic acid bio-fulvicacid; BFA

Biochemical fulvic acid

Grain-based slag, plant straw, bagasse, sawdust, kitchen waste, alcohol waste by microbial fermentation or chemistry under high temperature and high pressure

The resulting fulvic acid.

2.2 Product Terminology

2.2.1 fulvic acid raw materials

2.2.1.1 Mineral source fulvic acid raw material

Organic minerals such as peat, lignite, weathered coal, and oil shale containing mineral source fulvic acid.

2.2.1.1.1 Peat

In an environment of excessive humidity, the accumulation of organic matter content that has not been completely decomposed after death is more than 30%.

Of course, the accumulation.