Dear sir,we can supply Humic acid Please find the Spec below.PRODUCT SPECIFICATIONS1 State- Liquid2 Colour -Dark Brown3 Specific Gravity- 1.00 ��1.014 Viscosity- 28-30 sus5 Humic Acid Content- 2 - 4%6 Std. Confirmation-Soluble in water and precipitates in acid.ISO 50737 pH -8.0 ��9.5
