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钦州Tetra Potassium Pyrophosphate

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钦州Tetra Potassium Pyrophosphate

  • Taxonomy:钦州Potassium phosphate

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  • Date of release:2018/07/12
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Detailed introduction

TETRA POTASSIUM PYROPHOSPHATE (TKPP)

 

Chemical Name

Tetra Potassium Pyrophosphate

Synonyms

TKPP

Molecular Formula

K4P2O7

HS Code

28352400

CAS NO.

7320-34-5

Standard Executed

FCC/E450

 

Technical Specification

 

No.

Specifications

Unit

Food Grade Standard

1

Appearance


white powder

2

K4P2O7

%

≥96.5

3

Iron(Fe)

PPM

≤10

4

Water insoluble matter

%

≤0.1

5

Heavy Metals, (as Pb)

PPM

≤10

6

Arsenic(As)

PPM

≤3

7

F

PPM

10

8

PH Value


10.5±0.5

9

PB

PPM

4

10

Ortho Phosphate


PASS

9

Bulk density

g/ml

0.6

10

granularity


Powder

 

 

Properties

 

Anhydrous tetra Potassium Phosphate is in white powder or granular. Relative density 2.534 g/cm3 and melting point 1109℃; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25℃,its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.

 

Application

It can used as a buffering reagent as well as stabilizer for hydrogen peroxide; It can also be used as dispersion agent for ceramic, clay, latex and pigments etc.

 

 

Packaging

 

It is packed with polyethylene bag as inner, and a composite paper bag as the outer layer. The net weight of each bag is 25kg.

 

Storage and Transport

It should be stored in a dry,ventilative and clean warehouse, kept away from water and moisture, futhermore, it shoud be stored separately from poisonous.Its expiry date is 24 month.

 


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