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Description
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Items
Standard
Appearance
White or almost white crystalline powder.
Identification
(1)
A green colour is produced
(2)
The retention time of the principal peak in the
chromatogram obtained with the that of the principal peak in the chromatogram
obtained with the test solution.
(3)
The infrared absorption spectrum is concordant with the
standard spectrum.
(4)
The aqueous solution yields the reaction(1)characteristic
of sodium salts
PH
2.5-3.5
Clarify and color
Colorless and clear
Chloride
≤500ppm
Ammonium salt
≤500ppm
Iron salt
≤10ppm
Phosphate
≤0.1%
Related substances
5'-CMP≤0.3%
Single impurity≤0.2%
Total Another impurity≤0.7%
Residual solvents
Limit ofmethanol≤0.3%
Limit of ethanol≤0.5%
Limit of acetone≤0.5%
Loss on drying
≤5.0%
Heavy Metals(
≤5.0ppm
Arsenic salt
≤0.0001%
Assay(HPLC)
98%-102.0%
Limit of microbe
Total bacterialcount≤1000CFU/g
Yeast & Mold≤100CFU/g
E.coli: Negative
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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