SEPHADEX G-15 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 11081-40-6 |
| Product name | SEPHADEX G-15 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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-15
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk SEPHADEX G-15 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of SEPHADEX G-15
| Industry | Application | Process |
|---|---|---|
| Biopharmaceuticals | Desalting and buffer exchange of proteins, peptides, and small-molecule compounds | Gel filtration chromatography (size-exclusion chromatography) |
| Biochemical Research | Separation of small molecules with molecular weights below 1,500 Da | Molecular-sieve chromatography for low-molecular-weight analytes |
| Clinical Diagnostics | Purification of low-molecular-weight metabolites from serum or urine | Desalting and cleanup steps in sample preparation |
| Food Industry | Isolation and purification of low-molecular-weight bioactive components from natural products | Gel filtration purification at laboratory scale |
| Environmental Testing | Enrichment and cleanup of low-molecular-weight contaminants from water or biological samples | Gel filtration coupled with solid-phase extraction |
Manufacturing Quality Control of SEPHADEX G-15
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical form, color, and homogeneity under controlled lighting conditions. |
| Particle Size Distribution | Laser Diffraction | Measurement of particle size distribution based on light scattering patterns of suspended gel particles. |
| Swelling Ratio | Gravimetric Method | Determination of water uptake capacity by measuring mass increase after equilibration in buffer solution. |
| Fractionation Range | Gel Filtration Chromatography | Evaluation of molecular weight separation capability using standard dextran or protein markers. |
| pH of 1% Aqueous Suspension | pH Meter | Measurement of hydrogen ion activity in a standardized suspension to assess acidic/basic impurities. |
| Loss on Drying | Thermogravimetry | Quantification of volatile content by mass loss upon heating at specified temperature under controlled atmosphere. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantitative detection of trace heavy metal contaminants based on absorption of characteristic atomic spectra. |
| Residual Solvents (e.g., acetone, ethanol) | Gas Chromatography (GC) | Separation and quantification of volatile organic residues using flame ionization detection. |
| Total Organic Carbon (TOC) | Combustion-NDIR | Oxidation of organic carbon to CO2 followed by non-dispersive infrared detection. |
| Microbial Contamination | Membrane Filtration | Enumeration of viable aerobic microorganisms via filtration, incubation, and colony counting. |
| Chloride Content | Potentiometric Titration | Quantification of chloride ions using silver nitrate titrant and silver/silver chloride electrode detection. |
| Protein Binding Capacity | UV-Vis Spectrophotometry | Determination of bovine serum albumin (BSA) binding via absorbance change at 280 nm after equilibrium. |
Technical Specifications of SEPHADEX G-15
| Test Item | Specification |
|---|---|
| Appearance | White to off-white granular powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.2% |
| Single Impurity | <=0.3% |
| Residue on Ignition | <=0.8% |
| Heavy Metals | <=20 ppm |
| Solubility | Freely soluble in water; insoluble in organic solvents |
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-15
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of SEPHADEX G-15
Industrial SEPHADEX G-15 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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