Customization: | Available |
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CAS No.: | 9082-07-9 |
Packaging Material: | Drum |
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Specification | ||
Test Item | Specification | Test Method |
Appearance | White to off-white powder | Visual |
Content of chondroitin dsulfate sodium | 90%~105%(dried substance) | CPC |
Residue on Ignition(dry base) | 20%-30% | USP281 |
Electrophoretic purity | Maximum 2.0% | USP726 |
Identification | A: Infrared Red Confirmed B: Sodium reaction |
USP197K USP191 |
Specific rotation | -20°~ -30° | USP781S |
Heavy Metal | Maximum 20ppm | Method II USP231 |
Total Bacteria CountYeast &Mold Staphylococcus aureus Escherichia coli Salmonella |
Maximum 1000cfu/g Maximum 100cfu/g Negative Negative Negative |
USP2021 USP2021 USP2022 USP2022 USP2022 |
PH(1% H2O solution) | Between 5.5 and 7.5 | USP791 |
Loss on drying | Maximum 12% | USP731 |
Particle size | 100% through 80 mesh | In-house |
Limit of protein | Maximum 6% | USP34 |
Includes food grade, pharmaceutical grade, industrial grade, dental grade, cosmetic grade, textile Grade.
Q1: How can I get the new price of a product?
A: Please provide the exact or approximate quantity, packing details, destination port or special requirements, then we could give you the price accordingly.
Q2: What is your terms of payment?
A: TT Transfer, CAD, L/C, All is available.
Q3: How can I get a sample?
A: We can provide free samples for your test.
Q4: Do you have MOQ ?
A: Yes, but low MOQ for sample checking is available.
Q5: How do you garantee the quality?
A: First of all, our quality control will reduce the quality problem to near zero. When the production is finished, they'll take samples from every batch of cargo, and send to our lab for inspection. After passed the inspection, then we will arrange the delivery.
Q6: How about your after-sale service ?
A: If any technical or quality problem after you receive the cargo, you can contact us any time. If the problem caused by us, we will send you free goods for replacement or refund your loss.