..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
Zinc acetate dihydrate

Product name

Zinc acetate, dihydrate

Specification

Reagent grade

Molecular formula

Zn(CH3COO)2·2H2O

CAS

5970-45-6

H.S. CODE

2915299090

Molecular weight

219.51

Appearance

White crystal

Package

25KG Woven bags or fiber drums

Property

     Single white inclined flake crystals, with pearly luster, microstrip acetic acid flavor.

Application:

    Used as catalyst, polyvinyl acetate ethylene production, printing and dying mordant dyeing, medicine astringent, wood preservers, porcelain glaze materials etc.

Test standardHG 3-1098-77 

Test items

Specification

AR grade

CP grade

Appearance

White crystal

White crystal

Assay

99.0%

98.0%

Aqueous reaction

Conform

Conform

Appearance of solution

Conform

Conform

Water insoluble

0.003%

0.005%

Chloride

0.001%

0.002%

Sulfate

0.002%

0.01%

Iron

0.0002%

0.001%

Arsenic

0.00002%

0.00005%

Lead

0.002%

0.01%

Hydrogen sulfide not precipitate

0.1%

0.2%

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