Customization: | Available |
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Type: | Valine |
Chemical Character: | Alkalinity |
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Product Name | Polyglutamic acid |
CAS No. | 25513-46-6 |
MF | C5H9NO4 |
EINECS: | 200-293-7 |
Appearance | powder |
Packing | 25kg drum |
Shelf life | 2 Years |
ITEM | SPECIFICATION |
Appearance | White to off-white powder |
Assay (Na+-PGA) | ≥2.5% |
Intrinsic viscosity, [η]/(dL/g) | 0.1~5.0 |
LD(Loss on Drying) | 10% max |
pH (1% solution) | 5.0~7.5 |
Clarity, OD400 (4% aq. sol'n,400nm) | 0.13 max |
Heavy metals (total as Pb, mg/kg) | 20 ppm max |
TPC (cfu/g) | 100 max |
E.coli | Negative in 25g |
Salmonella | Negative in 25g |
Q1:Can I get some samples?
A: Yes, we can supply the free sample,customer only need bear the shipping cost.
Q2:How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T,Western Union or Paypal or secure payment.
Q3: How about delivery lead time?
A: About 7-10 days after payment confirmed.(Chinese holiday not included).
Q4:Is there any discount?
A: Different quantity has different discount.
Q5: How to ship it?
A: For small order, we would send by express such as Fedex, DHL, etc. For large order, we would send by air or sea.