Standard

                                      Appearance

White crystals or crystalline powder

                                      Assay
                                          98.0-101.0%

                                      State of solution(Transmittance)
                                          95.0%min

                                      Chloride(Cl)
                                          0.04% max

                                      Ammonium(NH4)
                                          0.02% max

                                      Sulfate(SO4)
                                          0.048% max

                                      Iron(Fe)
                                          30ppm max

                                      Heavy   metals(Pb)
                                          10ppm max

                                      Lead
                                          1.0ppm max

                                      Arsenic(As2O3)
                                          1ppm max

                                      Mercury
                                          0.5ppm max

                                      Ca
                                          0.5ppm max

                                      Residue on   ignition
                                          0.20% max

                                      Other amino   acids
                                          N.D through   Chromotographical

                                      Loss on   drying
                                          0.2% max

                                      PH
                                          6.5-7.5



FQA:
Q1 Can i get some samples
                                                                                                                                                                                                                                          A1 Yes, we can supply the free sample, but the shipping cost be paid by our customers.
                                                                                                                                                                                                                                          Q2 How to start orders or make payments
                                                                                                                                                                                                                                          A2 Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, L/C or Paypal or Escrow(Alibaba).
                                                                                                                                                                                                                                          Q3 How to confirm the Product Quality before placing orders
                                                                                                                                                                                                                                          A3 You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
                                                                                                                                                                                                                                          Q4 What's your MOQ
                                                                                                                                                                                                                                          A4 Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
                                                                                                                                                                                                                                          Q5 How about delivery leadtime
                                                                                                                                                                                                                                          A5 Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
                                                                                                                                                                                                                                          Q6 Is there a discount
                                                                                                                                                                                                                                          A6 Different quantity has different discount.
                                                                                                                                                                                                                                          Q7 How do you treat quality complaint
                                                                                                                                                                                                                                          A7 First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
                                                                                                                                                                                                                                          Q8 How to contact us
                                                                                                                                                                                                                                          A8 You can chat with us by Trademanager,MSN&Skype Online.
                                                                                                                                                                                                                                            You can choose your interested products and send inquiry to us.
                                                                                                                                                                                                                                            You can dial our telephone directly or send Email to us., you will get our reply.

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