SODIUM HEXAMETA PHOSPHATE  
[Chemical Formula]:(NaPO3)6
[Molecular Weight]:611.82
[Property:]: White power density is 2.484(20), soluble in water easily but not in organic solvent.A finesoft water agent.
[Tech specifications] :
NO
Specfications
 
Tech Grade(%)
Food Grade(%)
1
 Total phosphate,P2O5
68.0
68.0
2
 Inactive phosphate,as P2O5
7.5
7.5
3
 Iron as Fe
0.05
0.05
4
 PH of 1% solution
---
6.8
6.8
5
 Solution
---
Through test
Through test
6
 Heavy metals as Pb
---
0.001
7
 Arsenic as As
---
0.003
8
 Fluoride as F
---
0.03
9
 Water insoluble
---
0.06

[Uses]:As for industrial grade, It is mainly used as soft water agent in the solution for printing and dyening and boilet,Diffusant of papermaking,slow corrodent, floating agem,Dispersing as medium,Hight tempratureagg lomeant,Detergen and soil analytical chemistry reagent. For food grade, it is mainly used as additived agent,PH adjustive agent and ferment agent,Nourishment.
[Packing]: plastic woven bag,Net weight 25 kgs or 50 kgs.

 
SODIUM TRIPOLYPHOSPHATE  

[Chemical Formula]: Na5P3O10 , [Molecular Weight]:367.86
[Uses]:The aids of detergent, used in petroleum, metallurgy, mine, water treatment, the food modifier, the water keeping agent.
[Packing]: 25 or 50 kgs in woven bag lined with plastic bag
[specifications]:

No
Item
Tech Grade (GB/T9983-1998)%
Food Grade(%)
 
Premium grade
  
Index
A
B
C
D
E
F
01
 P (as P2O5)
57.0
57.0
02
 Assay
96.0
95
03
 PH
---
9.2-10.0
---
9.5-10.0
04
 Water insoluble
---
0.10
0.05
05
 SO42-
---
---
0.4
06
 Heavy metal (as Pb)
---
0.001
07
 Iron as Fe2O3
---
0.005
0.025
08
 Whitness
---
90

85
09
 Chloride (as NaCl)
---
---
0.025
10
 Fluoride (NaF)ppm
---
---
---
0.003
11
 Arsenic as As
---
---
0.003
12
 Loss on ignition
---
---
---
13
I type
---
5-40%
---
---
14
 Granularity(1.0mm residue on screen)
3.0
---
---
15
 Apparent density
Low
---
0.35-0.50
---
---
16
medium
---
0.51-0.65
---
---
17
high
---
0.66-0.90
---
---

 
TRISODIUM PHOSPHATE  
[Chemical formula]: Na3PO412H20
[Molecular weight]: 380.14
[Property]: White or colourless crystals,Effloresce in air,soluble in water easily but not in orgnic solvent. Water solution is alkaline,PH of 1% solution is 12.1, density is 1.62,melting point is 73.4
[Tech specifications] :
No
Specifications
  
Tech grade(%)
Food grade(%)
1

Main content as Na3PO412H20
98.0
98.0
2
 P2O5
18.3
18.3
3
 Sulfate as SO4
0.5
0.2
4
 Chloride as Cl
0.3
0.02
5
 Water insolube
0.10
0.10
6
 Sodium oxide,as Na2O
15--19
15--19
7
 Heavy metals.as Pb
---
0.001
8
 Arsenic, as As
---
0.0003

[Uses]: Used as soft water agent, cleaning agent in eletroplating, colour fixer in fabric dyeing and flux in enamel ware manufactureing, and so on .
[Packing]: Plastic woven bag,Net weight 25 kgs.

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