W.N.T.Enterprises P/L


Autocatalytic (Electroless) Nickel-Phosphorous Plating

Nickel Hypophosphite
Sodium Hypophosphite
Hypophosphorous Acid (50%)


Nickel Hypophosphite
 Formula:                   Ni(H2PO2)2
Molecular Weight:   188.67
Appearance:             Light green powder of lustrous crystals.
Quality Standards
Solubility               1gm soluble in 10ml - clear
Chloride 150 ppm max.
Iron 50 ppm max.
Sulphate 250 ppm max.
Copper 50 ppm max.
Lead 50 ppm max.
pH 4.5 - 5
Assay 97.0 - 99.5 %
Shelf Life 5 years
Packaging:
       25kg fiber drum with heat sealed, air-tight inner lining.


Sodium Hypophosphite Monohydrate
 Formula:                   NaH2PO2.H2O
Molecular Weight:   105.97
Appearance:             White powder of lustrous crystals.
Quality Standards
Solubility 1:1 Clear
Calcium 50 ppm max.
Chloride 75 ppm max.
Iron 5 ppm max.
Phosphite 0.5 % max.
Sulphate 0.3% max.
Arsenic 1 ppm max.
Lead 10 ppm max.
pH 50% Soln        6 - 8
Assay 98 % min.
Shelf Life 5 years
Packaging:
       20kg Multilayer cross-laminated LD/HD/EPM plastic bags with UV stabiliser heat sealed
       with PE inner liner, waterproof packing..


Hypophosphorous Acid 50% (Odourless)
 Formula:                   H3PO2
Molecular Weight:   66.00
Appearance:             Colourless, Odourless, Clear liquid.
Quality Standards
Colour 5 Hazen max.
Arsenic 2 ppm max.
Lead 2 ppm max.
Copper 5 ppm max.
Calcium 50 ppm max.
Chloride 100 ppm max.
Sulphate 0.025%
Iron 75 ppm max.
Sodium 0.01% max.
Phosphoric Acid 1.5% max.
Specific Gravity      1.190 - 1.220
Assay 50 - 52%
Packaging:
       250kg, 65kg, 25kg, UN approved HM/HDPE Barrel Round & Closed Mouth.
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