精品无码中文视频在线观看_国产精品自在线拍国产电影_国产精品美女乱子伦高_国产AV无码专区亚洲精品

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.tongshuovalve.com/en
Current position: Products > Amino Acid > L-Serine
L-Serine


Amino Acid


L-Serine

Chemical Name:

(S)-2-Amino-3-hydroxypropanoic acid

Structure Formula

Molecular Formula

C3H7NO3

Molecular Weight

105.09

Cas No

[56-45-1]

Characteristics:

White crystalline powder

Quality Standards

AJI97


Item

Specification (AJI97)

Appearance

White crystalline powder

Assay, % (on dry matter)

99.0~101.0

Specific optical rotation

+14.4o~+15.5o

Transmittance,%

98.0

pH value

5.2~6.2

Loss on drying, %

0.2

Heavy metals, %

0.001

Residue on ignition, %

0.1

Chloride,%

0.02

Sulfate,%

0.02

Iron, %

0.001

Arsenic, %

0.0001

Ammonium (as NH+4), %

0.02

Other amino acids

Not detd.


 

 

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.tongshuovalve.com/en/products_19.html
           
上一個產品:L-Proline
下一個產品:L-Tryptophan
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.tongshuovalve.com

WeChat public number
Link: 暫無友情鏈接 ! | 
主站蜘蛛池模板: 禄丰县| 城步| 手游| 淮北市| 包头市| 宿松县| 临沧市| 陇西县| 娱乐| 嘉定区| 澎湖县| 和林格尔县| 安陆市| 滦南县| 安龙县| 同心县| 县级市| 沭阳县| 莱西市| 黔南| 东阿县| 长岭县| 云霄县| 南江县| 大厂| 神木县| 江山市| 永德县| 灵丘县| 信丰县| 乃东县| 石渠县| 高青县| 鹿邑县| 阿城市| 平利县| 霍林郭勒市| 嵊州市| 贵州省| 博罗县| 东辽县|