..国产精品人人做人人爽_免费毛片搬运工永久发布页_国产无遮挡又黄又爽在线看_嘟嘟嘟影院免费韩国_日韩动漫一区二区三区_日韩三级毛片电影_一级特黄大片大全_蜜桃AV国内精品自在线拍_国产偷情熟女自拍视频_日本熟妇网站大全

Chemical reagent
Ammonium acetate

Product name

Ammonium acetate

Specification

Reagent grade

Molecular formula

CH3COONH4

CAS

631-61-8

H.S. CODE

2915299090

Molecular weight

77.083

Appearance

White crystals

Package

25KG Woven bags or fiber drums

Property

     A slight acetic acid smell of the white triangle crystals; Density 1.17 g/cm3; Melting point 114 ℃; Soluble in water and ethanol, insoluble in acetone, Strong electrolytes.

Application:

     As an analytical reagent, meat preservatives, pharmacy, etc.

Test standardGB/T 1292—2008

Test items

Specification

AR grade

CP grade

Appearance

White crystals

White crystals

Assay

98.0%

97.0%

pH

6.5~7.5

6.5~7.5

Appearance of solution

Conform

Conform

Water insoluble

0.005%

0.01%

Residue on ignition

0.005%

0.01%

Chloride

0.0005%

0.001%

Sulfate

0.002%

0.005%

Nitrate

0.001%

 

Phosphate

0.0005%

 

Magnesium

0.0004%

0.001%

Calcium

0.001%

0.002%

Iron

0.0005%

0.001%

Heavy metals

0.0005%

0.001%

Reduction of potassium permanganate substances

≤0.0032%

0.0032%

Storage

    Store in a cool, dry and well ventilated place. Keep away from incompatible substances. Keep container closed.


Product categories
Copyright Langfang hui's fine chemical co., LTD. All rights reserved 冀ICP備20000901號(hào)-1
TOP