亚洲激情成人,特别一级a免费大片视频网站,制服丝袜中文丝袜av,18禁黄无码高潮喷水乱伦,亚洲午夜无码久久久久久,a级毛片不卡免费视频在线,久久99热这里只频精品66

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.021ly.net/en
Current position： Products > Amino Acid > L-Proline
L-Proline


Amino Acid

L-Proline
Chemical Name：H-Pro-OH~(S)-Pyrrolidine-2-carboxylic acid

Structure Formula：

Molecular Formula：

C5H9NO2

Molecular Weight：

115.13

Cas No：

[147-85-3]

Characteristics：

White crystalline powder  

Quality Standards：

 AJI97

Item Specification (AJI97)
Appearance White crystals or crystalline powder
Assay,%99.0~101.0
Specific Rotation-84.5°~-86.0°
pH value5.9~6.9
Loss on drying,%≤0.3
Heavy Metals (as Pb),%≤0.001
Residue on Iginition,%≤0.1
Arsenic (as As),%≤0.0001
Chloride,%≤0.02
Amonium(NH4),%≤0.02
Sulfate(SO4),%≤0.02
Iron (Fe),%≤0.001
Other amino acidsNot detd.

Package and Transport：

With round paperboard drum 25kgs per drum.

Storage：

Kept in a light-proof, well-closed, dry and cool place. The expiry date is for two years.



本文地址：www.021ly.net/en/products_18.html
           
上一個產(chǎn)品：L-Lysine monohydrochloride
下一個產(chǎn)品：L-Serine
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.021ly.net

WeChat public number
Link： 暫無友情鏈接 ! |