中国一级特黄特爽刺激大片,亚洲曰本在现一区二区三区,五月婷婷丁香网,z0zozo女人另类zoz0巨大,美利坚天天干天天射av,色老大综合,床震未满十八禁止观看男女男

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:m.upogame.com/en
Current position: Products > Amino Acid > L-Phenylalanine
L-Phenylalanine


Amino Acid


L-Phenylalanine
Chemical Name:(S)-2-Amino-3-phenylpropionic acid~H-Phe-OH

Structure Formula:

Molecular Formula:

C9H11NO2

Molecular Weight:

165.19

Cas No:

[63-91-2]

Characteristics:

      White or off-white sheet crystal or white crystalline powder, slight special smell and bitterness, melting and decomposing at 283℃, slightly soluble in water, ethanol and aether.  

Quality Standards:

AJI92 


ItemSpecification (AJI92)
AppearanceWhite crystalline powder
Assay,99.0~100.5
Specific Rotation-33.5°~-35.0°
Transmittance,%98.0
Loss on drying,%0.2
Residue on ignition,%0.1
pH value5.4~6.0
Heavy Metals (Pb),%0.001
Chloride,%0.02
Sulfate,%0.02
Iron,%0.001
Ammonium(NH4),%0.02
Arsenic (As),%0.0001
Other amino acidsNot detd.


      

Package and Transport:

Packed with a polyethylene bag for the inner layer and a Kraft paper board barrel for the outer layer, net weight 25kg/drum. Packaging may be arranged according to the requirement of the client.

Handle with care in order to avoid damaging the package. Protect them from sunshine and rain. Do not transport them together with poisonous or harmful goods. This product is a non-dangerous product and can be transported as a general chemical product.

Storage:

Store in cool, shaded, dry and clean places. Do not store it together with poisonous or harmful goods in order to avoid pollution. The limit of retained quality for two years.



本文地址:m.upogame.com/en/products_23.html
           
上一個(gè)產(chǎn)品:L-Threonine
下一個(gè)產(chǎn)品:L-Valine
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://m.upogame.com

WeChat public number
Link: 暫無(wú)友情鏈接 ! |