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  Pioneer Chemical

Phosphoric Acid

  Formula: H3PO4
  MW: 98
  Description: colorless, transparent and syrupy liquid. it mixes with water in all proprtions, producing an amount of heat. it lose water and convert to pyrophosphoric acid and metaphosphoric acid further.

Specification Tech Grade Food Grade
H3PO4  −85% −85%
CL +0.0005% +0.0005%
SO4 +0.005% +0.005%
FE +0.002% +0.002%
AS +0.008% +0.001%
PB +0.001% +0.001%

  Usage: used for phosphate industry, electroplating and chemical polishing, pharmaceutics and sugar industry, complex fertilizer, etc.
  Packing: in 35kgs net plastic drum.


Trisodium Phosphate Tech Grade

Formula: Na3PO4N12H2O
MW: 358.14
Property: White or colorless fine crystal.
Specific gravity is 1.62
Melting point is 73.4
Specifications:
  Main pontent −98%
  SO4 +0.5%
  CL +0.3%
  UNSOLUBLE +0.1%
  Na2O 16-19
Pusage: used as soft water agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturiung.
Packing: 25kg/50kg plastic woven bag.


Sodium Hexametaphosphate

  Formula: (N4PO3)8
  MW: 611.17
  Properte: white powder specific gravity is 2.484 at 20≧. melting point is 616≧, soluble ie water easily but not in organic solvent, a fint soft water agent.

Specifications Tech Grade Food Grade
P2O5 −68% −68%
Unactive P2O5 +7.5% +7.5%
Unsoluble +0.05% +0.06%
PH 5.8-7.3 5.8-6.5
As   +0.0003%
Heavy metal   +0.001%
F   +0.003%

  Usage: for food grade, it is mainly used as additive agent, ph adjustive agent and ferment agent, nourishment. as for tech. grade, it is mainly used as soft water agent in the solution for printing and dyeing and boiler; diffusant of papermaking; slow corrodent, floating agem, dispersing medium, high temperature agglomerant, detergent and soil analytical chemistry reagent.

  Packing: 25kg/50kg plastic woven bag.


Sodium Tripolyphosphate

Formula: Na5P3O10
MW: 367.88

Specification Food Grade Tech Grade
Na5P3O10 −90% −90%
P2O5 −57% −57%
FE +0.01% +0.015%
Insolubles +0.1% +0.1%
CL +0.5%  
PB +0.001%  
As +0.0003%  
PH (1% solution) 9.5-9.9 9.2-10.0

Packing: in 25/50kgs plastic woven bag.


Potassium Phosphate Monobascic Tech Grade

  Formula: KH2PO4
  MW: 136.09
  Property: Colorless crystal or white grystal powder. density is 2.338, melting point is 252.6 ≧
  Specifications:
    Main content −98%
    Moisture +3%
    PH 4.4-4.6
    Unsoluble +0.3%
    CL +0.2%
    FE +0.003%
    As +0.005%
    Heavy Metal +0.005%
  Usage: high effect fertilizer, culture medium, ferment agent.
  Packing: 25kg/50kg plastic woven bag.


Monoammonum Phosphae

  Formula: (NH3)H2PO4
  Relative Molecular Weight: 115.03
  Properties: colorless transparent square crystal, easy to be solved in water, insoluble in methyl acetyl and stable in the air. The PH value of its aqueous solution is acid.
  Technical Standards:
    (NH3)H2PO4  99.68%
    Insolubles 0.01%
    H2O 0.027%
    CL 0.0012%
    SO4 0.02%
    Fe 0.0016%
    Pb 0.004%
    As 0.006%
    PH 4.8
   Packing: 25/50kg plastic woven bag.


Diammonium Phosphae

  Formula: (NH4)2H2PO4
  Relative Molecular Weight: 132.06
  Properties: colorless transparent monoclinic crystal or white powder, easy to be solved in water, and insoluble in alcohol, acetone, and nitrogen. The PH value of its aqueous solution is basicity.
  Technical Standards:
    (NH4)2H2PO4 100.4%
    Nusoluble 0.003%
    H2O 0.08%
    P2O3 53.98%
    N 21.3%
    CL 0.0012%
    SO4 0.032%
    Fe 0.0016%
    As 0.004%
    Pb 0.0012%
    PH 8
   Packing: in 25/50kg plastic woven bag.


Monosodium Phosphate

  Application and Directions:

  1. Applied in boiler water treatment and electroplating. Used as the raw material for preparing calgon and polyphosphate sodium. Applied in cleaning, acidity buffering agent, dye auxiliaries, bonding of mica, baking powder, chemical industry, emulsifying agent, etc.
  2. keep it in dry and ventilating storehouse, pay attention to dry and heat proof in transportation, and keep it away from poisonous articles.

  Quality Standards:

Index Name Index
NaH2PO4.2H2O % > 98.0
SO4 % < 0.25%
CL % 0.014
Unsoluble % < 0.05
FE % < 0.01
Heavy Metal % < 0.002
AS % < 0.005
PH 4.2-4.6
F % <  

 


Dipotassium hydrogen phosphat

Phosphoric anhydride(P2O5) >40.2%
Dipotassium oxide(K2O)>53%
PH(solution) 8.2