Vitamin C (ascorbic acid)-High quality low price

Price: US $ 5 - 6 / Kilogram
Brand Name: PCL
Model Number: 1008051
Country/Region: China
Post Date: Mar 23,2012

Product Description: Vitamin C (ascorbic acid)-High quality low price


Vitamin C (ascorbic acid):

product

Ascorbic acid (Vitamin C)

standard

BP2007/USP31/EP6/GB14754

01

Items

Standard value

02

characteristics

White or almost white

crystalline powder

03

identification

Positive reaction

04

Melting point

About 190C

05

PH

2.1-2.6

06

Clarity of solution

clear

07

Colour of solution

≤BY7

08

copper

≤5ppm

09

Heavy metals

≤10ppm

10

lead

≤2ppm

11

iron

≤2ppm

12

arsenic

≤3ppm

13

Oxalic acid

≤0.2%

14

Sulphate ash (residue on ignition)

≤0.1%

15

Specific optical rotation

+20.5~+21.5

16

assay

99.0%~100.5%

17

Organic volatile impurities

pass

18

Residual solvents

Methanol: NMT 3000 ppm

Supplier Details:

Shanghai Polymet Commodities Ltd.

Sales:Mr. Michael Lee

Contact Phone:86-21-34304663

Main Products:Polymer

Business type:Manufacturer, Trading Company, Distributor/Wholesaler

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