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
Sodium dihydrogen phosphate, monohydrate

Product name

Sodium dihydrogen phosphate,monohydrate

Specification

Reagent grade

Molecular formula

NaH2PO4·H2O

CAS

10049-21-5

H.S. CODE

2835220000

Molecular weight

137.99

Appearance

White crystal powder

Package

25KG Woven bags or fiber drums

Property

     Colorless inclined FangJing crystallization, slightly hygroscopicity. Soluble in water, in a certain ph value, the sodium carbonate and phosphoric acid reaction or by disodium phosphate and a certain proportion of phosphoric acid reaction system in wet air easy agglomerate. Sealing preservation.

Application:

For boiler water treatment, electroplating, leather, BeiFen, fuel additives, detergent, mica tulameen close, acidic slow agent etc, also be preparing sodium hexametaphosphate and polycondensation chromate salt of raw material

Test standardEnterprise standard

Test items

Specification

AR grade

CP grade

Appearance

White crystal powder

White crystal powder

Assay

99.0%

99.0%

pH

4.2~4.6

4.2~4.6

Appearance of solution

Conform

Conform

Water insoluble

0.01%

0.01%

Chloride

0.01%

0.01%

Sulfate

0.01%

0.01%

Iron

0.002%

0.002%

Arsenic

0.0003%

0.0003%

Heavy metals

0.002%

0.002%

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