国产古代皇宫一级a毛片_美利坚无码在线观看_国模小树啪啪视频_日日av 色欲香天天综合网站

Welcome to Hebei Huaheng Biological Technology Co., Ltd!
Products
Contact
Hebei Huaheng Biological Technology Co., Ltd
Address: No.777 Xinghua South Street,Jizhou City,Hebei Pro.,China Postal Code: 053200
Postal Code: 053200
TEL:0318-8628255
FAX:0318-8628286
E-mail:jizhouhuaheng@163.com
Web site:www.cookeaccounting.com/en
Current position: Products > Amino Acid > L-Histidine Hydrochloride
L-Histidine Hydrochloride


L-Histidine Hydrochloride


Chemical Name:

H-His-OH*HCl*H2O; H-His-OH.HCl.H_2O

Structure Formula

Molecular Formula

C6H9N3O2.HCl.H2O

Molecular Weight

209.63

Cas No

[5934-29-2]

Characteristics:

White crystals or crystalline powder.

Quality Standards

AJI97

Item

Specification (AJI97)

Assay, %

98.5~101.0

Specific optical rotation

-8.0°+9.5°

Transmittance

98.0

pH value

3.5~4.5

Loss on drying, %

0.2

Heavy metals, %

0.001

Residue on ignition, %

0.1

Chloride,%

15.6~17.1

Sulfate,%

0.02

Arsenic, %

0.0001

Iron, %

0.001

Ammonium (as NH+4), %

0.02

Other amino acids

Qualified

Pyrogen

Nonpyrogen


 

Package and Transport:

  The inner packed with two layer polyethylene plastic bags; the outer packed with the paper board barrel. Net weight 25kg.

        Handle with care. Protect the product from sunshine or rain. Do not transport with poisonous or harmful goods. This product belongs to the non-dangerous product category and can be transported as a general chemical product.

Storage:

  Store in dry, clear, shady and place. The expiry date is for two years.



本文地址:www.cookeaccounting.com/en/products_13.html
           
上一個產(chǎn)品:L-Glutamine
下一個產(chǎn)品:L-Isoleucine
Copyright:Hebei Huaheng Biological Technology Co., Ltd.
Address: No.777 Xinghua South Street,Jizhou City,Hebei Pro.,China Postal Code: 053200
TEL:0318-8628255
FAX:0318-8628286
E-mail:jizhouhuaheng@163.com
Web site:http://www.cookeaccounting.com

WeChat public number
Link: 暫無友情鏈接 ! |