Complaint
| Item | Unit | Specification |
| Appearance | --- | colorless crystal or crystalline powder |
| Identification | --- | Pass the test |
| Clarity and color solution | --- | Pass the test |
| Acidity or Alkalinity | % | Pass the test |
| Content | % | 99.5-101.0 |
| Sulphate | PPM | ≤150 |
| Oxalate | PPM | ≤100 |
| Heavy Metal | PPM | ≤5 |
| Iron | PPM | ≤5 |
| Chloride | PPM | ≤50 |
| Moisture | % | 10.0-13.0 |
| Readily Carbonisable Substances | --- | Less than standard |
| Lead | PPM | ≤0.5 |
| As | PPM | ≤1 |
| Mercury | PPM | ≤1 |
| Tartrate | --- | pass |
| Pyrogen | --- | pass |
1. Top quality materials with competitive price;
2. Large capacity of stable materials supply;
3. Safety and fast shipment by express/air/sea;
4. Sample order acceptable;
5. Professional and great packing as customized;
6. Convenient payment terms by T/T, Credit Card and online order;
7. Reply inquiries in time
Q: Who are you?
A: We are a professional and with more than 20 years experienced supplier and exporter for Industrial & fine chemicals, APIs, Reagent & Lab Supplies, and Food & Food Additives in China.
Q: How can you guarantee quality?
A: We could provide pre-production sample before mass production. And we also accept the final inspection(third-party) before shipment.
Q: Do you supply free samples?
A: Generally, we could provide free sample for quality evaluation, but the international shipping cost should be undertook by customers.
Q: Which payment terms do you accept?
A: We could accept the payment through T/T, L/C and Online payment.
Q: Can I pay with a credit card
A: Yes, you could feel free to make your payment through credit card. Please contact us for more details
