FOB Price
Obtenir le dernier prix( Negotiable )
|Minimum Order
Localité:
China
Prix de commande minimale:
-
Commande minimale:
25 Kilogram
Packaging Detail:
25kg/drum
Delivery Time:
7days
Supplying Ability:
15 Ton per Month
Payment Type:
Other, PayPal, Money Gram, Western Union, D/P, D/A, L/C, T/T
Personne àcontacter Ms. Evelyn
Rm 2405, Unit 1, Buiding 1, Taiyin Tower jianghan Econmic Development Zone, Wuhan, Hubei
|
Item
|
Specification(USP*7)
|
Result
|
|
Description
|
White crystals or crystalline
Powder.
Strongly acid taste.,Very soluble
in water.
|
conforms
|
|
Identification
|
Compare the infrared absorption
spectrum of the sample with that of the standard by
potassium bromide disc
method.
|
conforms
|
|
Specific rotation [α]*5D
|
*5.7to*6.8°
|
*5.8°
|
|
Sulfate(SO4)
|
Not more than 0.*3%
|
Not more than 0.*1%
|
|
Iron(Fe)
|
Not more than 0.**3%
|
Not more than 0.**3%
|
|
Heavy metals(Pb)
|
Not more than 0.***5%
|
Not more than 0.***0%
|
|
Loss on drying
|
8.0to*2.0%
|
*1.5%
|
|
Residue on ignition(sulfated)
|
Not more than 0.4%
|
0.1%
|
|
O.V.I.
|
Meets the requirements
|
Meets the requirements
|
|
Assay
|
*8.5to**1.5%
|
*9.4%
|
|
Chromatographic purity
|
Not more than 0.5% of any individual impurity is found
Not more than 2.0%of total impurities is found
|
Match
|
Applications:
1. soluble in
water, can be quickly absorbed by the body if it is made
into injection or tablet .It is the main
raw material of carboxymethyl
cysteine and acetyl cysteine production.
2. Clinically to treat
neutropenia, and leukopenia caused by the use of anticancer drugs
and radioactivedrugs, as well as being as a heavy metal poisoning
antidote. In addition, for the treatment of toxic
hepatitis,thrombocytopenia, skin ulcers, and prevention of liver
necrosis, the treatment of bronchitis and phlegm, detoxification
of acrylonitrile and aromatic poisoning, the prevention of
radiation injury.
3.Bread improvers: to
promote fermentation, to prevent oxidation in
food
industry. As bread quick accelerator, to
change the flavor of the bread and other
food.
4. In cosmetic industry: can be
used in perm fine, sunscreen, germinal perfume
and hair conditioning agent.
5. Nutritional supplements,
antioxidants, color fixative: for natural fruit
juices to prevent vitamin C oxidationand
and discoloration.
