2021免费的一级片,欧美h视频,国产精品黄在线观看免费网站,18片毛片60分钟免费观看,一级毛片大片毛片花片,久久99久久99精品观看,大香大香伊人在钱线久久

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.marcsantamans.com/en
Current position: Products > Amino Acid > L-Isoleucine
L-Isoleucine


Amino Acid


L-Isoleucine

Chemical Name:7-Isopropoxy-3-Phenyl Chromone
Structure Formula:
Molecular Formula:
C6H13NO2
Molecular Weight:
131.17
Cas No:
[73-32-5]
Characteristics:
White crystals or crystalline powder, tasteless .
Quality Standards:
USP24, FCCIV and etc.  


Item
Specifications
USP24
FCCIV
Appearance
White crystals or crystalline powder
Assay,%
98.5~101.5
98.5~101.5
Specific optical rotation
+38.9°~ +41.8°
+38.6°~ +41.5°
pH Value
5.5~7.0
5.5~7.0
Loss on drying, %
≤0.3
≤0.3
Residue on ignition, %
≤0.3
≤0.2
Sulfate (as SO4), %
≤0.03
- - -
Chloride (as Cl),%
≤0.05
- - -
Heavy Metals (as Pb), %
≤0.0015
≤0.002
Lead, %
   - - -  
≤0.001
Iron, %
≤0.003
- - -
Organic volatile impurities 
Meets the requirements
- - -


 
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:
    Cool, dry, dark in closed containers, recommended limit 2 years.



本文地址:m.marcsantamans.com/en/products_14.html
           
上一個產(chǎn)品:L-Histidine Hydrochloride
下一個產(chǎn)品:L-Leucine
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.marcsantamans.com

WeChat public number
Link: 暫無友情鏈接 ! |