FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing humin-containing iron chelates used in agriculture. The method involves mixing a chelating agent with an iron salt. The chelating component used is nitrosated ligno-humate formed at the chelate preparation step during reaction with iron (II) sulphate in ratio 1:2-1:3.
EFFECT: invention increases content of iron in the chelate with full solubility of the product in a weakly alkaline medium.
1 tbl, 6 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF SYNTHESIS OF ALKALINE-SOLUBLE IRON CHELATE | 1998 |
|
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