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

Chemical Name:

2-Aminopropanoic Acid

Structure Formula

Molecular Formula

C3H7NO2 

Molecular Weight

89.09

Cas No:

[56-41-7]

Characteristics:

White crystalline powder, odorless, having a peculiar sweetness. Freely soluble in water and in formic acid, almost insoluble in ethanol and in ether. 

Quality Standards:

USP23

Item

Specifications (USP23 )

Appearance

White crystalline powder

Assay (C3H7NO2),%(on dry matter)98.5~101.0

Specific rotation

+14.3°~+15.2°

Loss on drying, %

0.2

Transmittance, % 

98.0

Chloride (as Cl), %

0.02

Sulfate (as SO4), %

0.02

Ammonium as (as NH4), %

0.02

Iron (as Fe), %

 ≤0.001

Heavy Metals (as Pb), %

 ≤0.001

Arsenic (as As), %

  ≤0.0001

pH Value

   5.7~6.7

Residue on ignition, %

0.1

Other amino acid

   No detd

The Characteristics and Uses:

   L-Alanine is one of the important products the amino acid series. It is widely used in medical, chemical and food industries.   
  A. Main Uses in medicine: It is a important part of sugar supplying nutrition infusion. The compound amino acid injection fluid, which is produced by L-Alanine, is new medicine mainly used to cure liver and heart diseases and it can cure catabolism disorder caused by liver function insufficient and can awake the patient of liver coma. It can also be used as good diuretic.   
  B. Main Uses in food field: It can be used to improve the artificial edulcorator and the acid flavor of organic acid, highten the effect of chemical condiment, promote the flavor of alcohol beverage and improve the quality and flavor of oil and brew condiment and pickled product.

Package and Transport:

    This product is contained in a double-layer package, the inner layer being a sealed nonpoisonous polyethylene bag or aluminium foil, and the outer layer being a paper board barrel. Each bag contains a net weight of 25kg. Packages may be arranged in accordance with customer’s requirements.       

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

Storage:

    Stored in dry, clean and ventilated places. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years.  


本文地址:www.marcsantamans.com/en/products_4.html
           
上一個產(chǎn)品:DL-Alanine
下一個產(chǎn)品:L-Arginine
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.marcsantamans.com

WeChat public number
Link: 暫無友情鏈接 ! |