Hydroxyapatite Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1306-06-5 |
| Product name | Hydroxyapatite |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent GradeFood GradeCosmetic 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 Hydroxyapatite
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Hydroxyapatite Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Hydroxyapatite
| Industry | Applications | Processing Methods |
|---|---|---|
| Biomedical | Bone repair materials, dental fillings, artificial bone implants, controlled-release drug carriers | Sintering, 3D printing, electrochemical deposition, sol-gel processing |
| Cosmetics | Toothpaste additive (desensitizing), skincare formulations (collagen synthesis promotion) | Nanoparticle dispersion, composite formulation |
| Water Treatment | Adsorbent for heavy metal ions (e.g., Pb²⁺, Cd²⁺) | Column-packed adsorption, direct powder dosing |
| Food | Calcium fortification additive (food-grade purity required) | High-temperature sintering purification, nanomilling |
| Research | Studies on bioactive materials, development of biomimetic materials | Co-precipitation, hydrothermal synthesis, templating |
| Environmental Protection | Immobilization agent for radioactive nuclides (e.g., Sr-90) | High-temperature curing, powder blending |
| Agriculture | Controlled-release fertilizer (phosphorus/calcium) | Coating process, composite granulation |
Manufacturing Quality Control of Hydroxyapatite
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Calcium Content | EDTA Titration | Complexometric titration using EDTA at pH 10 with Eriochrome Black T indicator; Ca2+ forms stable 1:1 complex with EDTA. |
| Phosphorus Content | UV-Vis Spectrophotometry (Molybdenum Blue Method) | Phosphate reacts with ammonium molybdate and ascorbic acid to form phosphomolybdenum blue complex, measured at ~880 nm. |
| Hydroxide Content | Acid-Base Titration | Back-titration of excess standardized HCl after sample dissolution; OH- neutralized quantitatively. |
| Loss on Ignition (LOI) | Gravimetric Analysis | Mass loss measured after heating at 1000 C for 2 h; reflects moisture, CO2, and volatile impurities. |
| Specific Surface Area (BET) | Gas Adsorption (N2 BET) | N2 adsorption/desorption isotherm analysis at 77 K to calculate surface area via Brunauer-Emmett-Teller theory. |
| Crystallinity and Phase Purity | X-ray Diffraction (XRD) | Comparison of diffraction pattern against reference hydroxyapatite pattern (ICDD PDF#09-0432); detects amorphous content and secondary phases. |
| Particle Size Distribution | Laser Diffraction | Analysis of angular scattering pattern of laser beam passing through dispersed particles in liquid medium. |
| Heavy Metal Impurities (Pb, Cd, As, Hg) | ICP-MS | Multi-element quantification based on mass-to-charge ratio detection of ionized atoms in plasma. |
| Chloride Content | Potentiometric Titration (AgNO3) | Titration with silver nitrate using silver electrode; endpoint detected by potential jump due to AgCl precipitation. |
| Sulfate Content | Gravimetric Analysis (BaSO4) | Precipitation as BaSO4 in acidic medium followed by filtration, drying, and weighing. |
| Iron Content | AAS (Flame) | Atomic absorption measurement at 248.3 nm after acid digestion; Fe atoms in flame absorb characteristic radiation. |
| pH of Aqueous Slurry | Potentiometric Measurement | Electrode-based measurement of H+ activity in 10% w/v suspension in distilled water after equilibration. |
Technical Specifications of Hydroxyapatite
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| P2O5% | 38.0-41.0 |
| CaO% | 51.0-55.0 |
| Hydrochloric acid insoluble matter% | ＜0.05 |
| PH | 6.5-8.5 |
| Water% | ≤2.0 |
| Whiteness | ≥90 |
| Loss on drying | ≤2.0 |
| Loss of weight on burning | ≤4.5 |
| Arsenic | ≤3mg/kg |
| Heavy metals (in pb) | ≤20mg/kg |
| Sedimentation volume | 40-80 |
| Particle size | nanoscale |
| Total number of bacteria | 1000 cfu/g Max |
| Yeast and mold | ＜100/g |
| Escherichia coli | Not detected |
| Salmonella | Not detected |
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 Hydroxyapatite
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Hydroxyapatite
Industrial Hydroxyapatite 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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