SEPHADEX G-25 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9041-35-4 |
| Product name | SEPHADEX G-25 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for SEPHADEX G-25
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk SEPHADEX G-25 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of SEPHADEX G-25
| Industry | Application | Process |
|---|---|---|
| Food Industry | Used as a cheese starter culture to convert lactose into lactic acid, enhancing flavor and texture | Microbial fermentation |
| Dairy Processing | Applied to accelerate cheese ripening, control pH, and improve product consistency | Enzyme-catalyzed reaction |
| Feed Additives | Formulated as a probiotic component in animal feed to support digestion and nutrient absorption | Solid-state cultivation and drying |
| Biotechnology | Employed in studies of microbial metabolic pathways or enzyme activity assays | Laboratory-scale cultivation and extraction |
| Pharmaceutical Research | Potentially applicable in the development of gut microbiota modulators (further validation required) | Strain screening and activity testing |
Manufacturing Quality Control of SEPHADEX G-25
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Dry Basis) | Acid-Base Titration | Quantitative neutralization of butyric acid with standardized NaOH using phenolphthalein indicator. |
| Water Content | Karl Fischer Titration | Electrochemical determination of water based on iodine-sulfur dioxide reaction in pyridine-methanol medium. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color against platinum-cobalt standards or measurement of absorbance at 430 nm. |
| Specific Gravity | Pycnometry or Digital Density Meter | Ratio of sample density to water density at specified temperature (e.g., 25 degC). |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface using calibrated refractometer. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue after high-temperature ashing of sample. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of metal ions via absorption of characteristic wavelength radiation by ground-state atoms in flame. |
| Sulfated Ash | Gravimetric Analysis | Mass measurement of residue after combustion with sulfuric acid treatment and subsequent incineration. |
| Chloride Content | Potentiometric Titration with AgNO3 | Titration using silver nitrate and detection of endpoint via silver ion-selective electrode. |
| Non-Volatile Matter | Gravimetric Analysis | Determination of residue weight after evaporation of sample under controlled heating and drying. |
| Odor | Sensory Evaluation | Qualified personnel assessment against reference standard for characteristic rancid/buttery odor intensity and purity. |
| pH (1% aqueous solution) | pH Potentiometry | Measurement of hydrogen ion activity using calibrated glass electrode in diluted aqueous solution. |
Technical Specifications of SEPHADEX G-25
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | 175.0 - 185.0 |
| Odor | Characteristic cheesy odor |
| Color (APHA/Pt-Co) | <=50 |
| Solubility | Miscible with ethanol, ether; slightly soluble in water |
| Refractive Index (n20/D) | 1.412 - 1.418 |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of SEPHADEX G-25
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of SEPHADEX G-25
Industrial SEPHADEX G-25 Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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