亚洲精品永久黄色视频_青青青国产在线91_激情五月天婷婷中文资源站_国产无遮挡裸体免费视频不卡_91视频男人的天堂_欧美日韩一级特黄大片_亚洲国产精品影院网_毛片大全**在线_黄色免费看片app_波多结衣一区二区三区高清

Chemical reagent
Dipotassium hydrogen phosphate, trihydrate

Product name

Dipotassium hydrogen phosphate,trihydrate

Specification

Reagent grade

Molecular formula

K2HPO4·3H2O

CAS

16788-57-1

H.S. CODE

2835240000

Molecular weight

228.22

Appearance

Colorless crystal

Package

25KG Woven bags or fiber drums

Property

     White crystalline or amorphous powder. Soluble in water, a micro alkaline solution. Soluble in alcohol. It has hygroscopic property. After burn into coke phosphate.

Application:

    Used in pharmaceutical, fermentation, germiculture and manufacturing focal potassium phosphate, etc.

Test standardHG/T 3487—2000


Test items

Specification

AR grade

CP grade

Appearance

Colorless crystal

Colorless crystal

Assay

99.0%

97.0%

pH

8.99.4

8.99.4

Appearance of solution

Conform

Conform

Water insoluble

0.01%

0.03%

Chloride

0.002%

0.005%

Sulfate

0.01%

0.03%

Nitrate

0.001%

0.003%

Sodium

0.05%

0.10%

Magnesium

0.001%

0.001%

Iron

0.001%

0.003%

Arsenic

0.0001%

0.0003%

Heavy metals

0.001%

0.003%

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-1
TOP