Humic酸

Humic acid is a high polymer heterogeneous aromatic hydroxy carboxylic acid available in black or brown powder or grains. Insoluble in water and of weak acidity, it comprises hydroxyl, carboxylic, phenolic hydroxyl active groups. Specifications: 1) Appearance: powder, granular 2) Organic matter (dry basis): 90% (min.) 3) Humic acid (dry basis): 70% (min.) 4) Applications: a) Agriculture: used as humic acid fertilizer, soil ameliorator, plant-growth stimulant, fertilizer efficiency promoter, as well as material for nitro humic acid and humic salt products b) Industry: used as crude oil drilling mud stabilizer, cement and porcelain additive, wastewater treatment agent and filler for negative accumulators Inner packing: 25kg/paper bag G.W.: 25.15kg Outer packing: 50kg/plastic woven bag with PVC lining G.W.: 50.15kg