Humic Acid 19.6% (Liquid)
Read the FCO composition, finished-product specifications, Leonardite source and 19.6% vs 8% explanation for Humic Acid 19.6% Liquid.
FCO Composition
| Ingredient | Requirement |
|---|---|
| Humic Acid (Source: Leonardite) | Minimum 19.6% by weight |
| Hydrogen Peroxide | Minimum 0.96% by weight |
| Amorphous Silica | Minimum 0.04% by weight |
| Potassium Hydroxide | Minimum 10.3% by weight |
| Sodium Gluconate | Minimum 17.0% by weight |
| Sodium Hydroxide | Minimum 1.1% by weight |
| Water | QS |
| Total | 100% |
Finished-Product Specifications
| Parameter | Requirement |
|---|---|
| Humic Acid | Minimum 8.0% by weight |
| Total Organic Carbon | Minimum 10% by weight |
| pH (10% aqueous solution) | 11.8–13.8 |
| Specific Gravity | 1.1–1.3 |
| Solubility | Minimum 95% by weight |
Why 19.6% and 8% Both Appear
These figures describe different regulatory points. The 19.6% figure belongs to the notified formulation composition for the Leonardite-source Humic Acid input. The minimum 8% value is the finished-product Humic Acid specification. Therefore, 'Humic Acid 19.6%' should not be interpreted as a simple statement that the finished liquid contains 19.6% measured Humic Acid.
Source / Process
Leonardite is the notified source named for the Humic Acid component in this formulation. Source disclosure should match the notified wording rather than vague claims such as 'premium humic'.
How to Check a Product Using This Technical
- Match the exact technical name: Humic Acid 19.6% (Liquid).
- Check that the source is disclosed as Leonardite where the technical specification requires it.
- Compare the finished-product parameters with the applicable FCO limits.
- Check batch number, legal manufacturer/marketer identity and authorised source.
- Use batch-specific COA/test data when genuinely available.
Frequently Asked Questions
What does Humic Acid 19.6% mean?
It is the name of the notified formulation and includes a minimum 19.6% Leonardite-source Humic Acid input in the composition.
Why is the finished-product Humic Acid specification minimum 8%?
Because the composition requirement and the finished-product assay/specification are separate regulatory parameters.
What is the minimum solubility?
Minimum 95% by weight.
What is the pH specification?
11.8–13.8 in a 10% aqueous solution.
Is Humic Acid 19.6% the same as Humic Acid 51% Granular?
No. They are separate technical formulations with different form, composition and specifications.
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