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-Arginine Hydrochloride
L-Arginine Hydrochloride

Chemical Name:

L-2-Amino-5-guanidinopentanoic acid hydrochloride~H-Arg-OH.HCl

Structure Formula

Molecular Formula

C6H14N4O2.HCl

Molecular Weight

210.66

Cas No:

[1119-34-2]

Characteristics:

White crystals or crystalline powder

Quality Standards:

AJI97

Item

Specifications (AJI97 )

Appearance

White crystals or crystalline powder

Assay, %99.0~101.0

Specific rotation

+22.1o~+22.9o

Loss on drying, %

0.2

Transmittance, % 

98.0

Chloride (as Cl), %

16.6~17.6

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

  4.7~6.3

Residue on ignition, %

0.1

Organic volatile impuritiesMeets the requirement

Other amino acid

 0.4

The Characteristics and Uses:

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 barrel 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_6.html
           
上一個產品:L-Arginine
下一個產品:L-Cysteine
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 ! |