亚洲欧美中文字幕高清在线_亚洲欧美日韩另类精品一区_亚洲人成人无码网WWW电影首页_四虎永久在线精品免费观看视频

chemical products
OUR PRODUCTS
Now you here:HOME> PRODUCTS > chemical products
Sodium pyrophosphate

Molecular formula: Na4P2O7

Standard: HG/T2968-1988

Properties: White powder, Relative Density 2.45, Melting point 890?, solution is weak basic fluid,PH value of 1% solution is

9.9-10.7.

Uses: used as washing auxiliary, bleaching of paper, degrease of wool and plating industry. Or used as buffer, emulsifier,

nutrient and quality improver in food industry

Packing: plastic lined woven bag, Net wt 25KG or 50KG, kept in dry and ventilating place.

Technical index

NO.

Index name

Industrial grade

Food grade

01

Main content (as Na 4 P 2 O 7 ) %=

96.5

96.5

02

Phosphorus pentoxide ( P 2 O 5 ) %=

51.5

51.5

03

Water insoluble matter %=

0.20

0.20

04

PH value (1% solution)

9.9-10.7

9.9-10.7

05

orthophosphate

qualified

qualified

06

Heavy metals (as Pb) %=

 

0.001

07

As %=

 

0.0003

08

Fluoride (as F) %=

 

0.005