丁香花在线电影电视剧,中国熟妇色xxxxxhd,成直播人APP免费,人妻悲哀屈辱的泪水

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.aabxg.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:www.aabxg.com/en/products_23.html
           
上一個產品:L-Threonine
下一個產品: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:info@jizhouhuaheng.com
Web site:http://www.aabxg.com

WeChat public number
Link: 暫無友情鏈接 ! | 
主站蜘蛛池模板: 景德镇市| 修武县| 铁岭县| 闵行区| 怀柔区| 京山县| 宾川县| 福鼎市| 阳江市| 拉萨市| 嘉黎县| 喀喇| 宜阳县| 黔西县| 明星| 黎城县| 巢湖市| 长垣县| 宁津县| 内乡县| 汨罗市| 晋城| 东光县| 三门县| 湘潭市| 龙口市| 怀宁县| 额敏县| 泸西县| 沂源县| 兰溪市| 珲春市| 鸡东县| 大名县| 九龙城区| 大理市| 青州市| 台北县| 宾川县| 铁力市| 建水县|