Liquid lignin derivatives include lignosulfonate solutions and other modified lignin-based materials supplied for industrial formulation. The product name alone does not define salt form, dry solids, pH, viscosity, purity or performance — buyers should qualify a specific grade against its TDS and batch COA before formulation work begins.
Information to Specify
- Lignin derivative type and counterion.
- Dry solids, density, viscosity and pH.
- Insoluble matter, ash, reducing sugars and relevant ions.
- Required application, process temperature and compatibility conditions.
- IBC, drum, flexitank or bulk-delivery requirements.
Potential Applications
Depending on grade, liquid lignin derivatives may be evaluated as dispersants, binders, plasticizing ingredients, granulation aids or dust-management components. A grade intended for concrete is not automatically suitable for agriculture, feed, dyes or drilling fluids — each use requires its own qualification against the relevant specification.
Recommended Qualification
Compare products on a dry-solids basis and include the supplied water in the formulation balance. Test viscosity, sedimentation, dilution, pH stability, application performance, storage stability and freeze/thaw response where relevant. Confirm the final dosage experimentally with the actual process materials rather than assuming it from a datasheet value alone.
Product Documentation and Supply Enquiries
Request the applicable TDS, SDS, representative COA, packing options and samples from info@greenagrochem.com.
Types of Liquid Lignin Derivatives
| Type | What it is | Typical use |
|---|---|---|
| Lignosulfonates (Na, Ca, K, NH₄, Mg) | Sulfonated lignin from sulfite pulping; water-soluble | Dispersants, binders, concrete plasticizers, dust control |
| Kraft lignin and sulfonated kraft lignin | Lignin from kraft pulping; soluble only when sulfonated or at high pH | Specialty dispersants |
| Lignohumates | Lignin-based humic products | Agriculture |
Our Liquid Lignosulfonate Grades
| Grade (code) | Solids | Lignosulphonate (dry basis) | pH | Reducing sugar | Water-insoluble |
|---|---|---|---|---|---|
| Sodium Grade One (GAC-NaLS-L) | 45% min | 50% min | 7.0 – 11.0 | around 7% | 1% max |
| Sodium Grade Two (GAC-NaLS-L-2) | 45% min | 50% min | 9.0 – 13.0 | around 4% | 2.5% max |
| Sodium Grade Three (GAC-NaLS-L-3) | 45% min | 50% min (w/w) | 4.0 – 7.0 | around 14% | 2.5% max |
| Calcium general (GAC-CaLS-L) | 45% min | 45% min | around 5.0 | around 4% | 2% max |
| Calcium acidic (CaLS-L-Acidic) | 45% min | 55% min | 4.0 – 6.0 | around 12% | 1.5% max |
| Potassium (GAC-KLS-L), K₂O 8 – 10% | 45% min | 45% min | 4.0 – 7.0 | around 4% | 2.5% max |
| Ammonium acidic (GAC-NHLS-L-ACD), N 3 – 5% | 45% min | 50% min | 4.0 – 6.0 | around 15% | 2.5% max |
| Ammonium alkaline (GAC-NHLS-L-ALK), N 3 – 5% | 45% min | 50% min | 8.0 – 10.0 | around 10% | 2% max |
Qualification Tests
| Property | Why it matters | How to check |
|---|---|---|
| Solids | Sets the dry dose | Oven-dry, gravimetric |
| Density | Volume dosing | Pycnometer or density meter at a stated temperature |
| pH | Compatibility and corrosion | pH meter |
| Water-insoluble matter | Filters, nozzles, fine products | Filtration, gravimetric |
| Lignosulphonate content | Active content | UV spectrophotometry |
| Reducing sugar | Binding, set retardation | As stated in the COA method |
Frequently Asked Questions
What are liquid lignin derivatives?
Lignin-based materials supplied as solutions, mainly lignosulfonates. They are used as dispersants and binders.
Is lignin itself available as a liquid?
Native lignin is not water-soluble. Liquid products are normally lignosulfonates, or kraft lignin that has been sulfonated or dissolved at high pH.
What should be on a liquid lignin derivative specification?
Type and salt, solids, density, pH, insolubles, active content, sugar, packing and the test methods.
