|
Appearance |
Clear colourless to pale tan liquid, free from foreign matter. |
|
Odour |
Slight to none |
|
Assay (%w/w HEDP) |
59.5 – 61.0 |
|
pH at 20°C (1% w/v) |
2.0 max |
|
pH at 20°C (1% v/v) |
2.5 max |
|
Sequestrant value (CaCO3) mg/g |
400 min |
|
Iron content (Fe ppm) |
30.0 max |
|
Phosphorous acid as H3PO33+ phosphoric acid as H3PO44+ (%w/w) |
4.0 max |
|
Orthophosphate as PO4 (%w/w) |
0.5 max |
|
Viscosity at 25°C (mm2/sec) |
35.0 - 41.0 |
|
Specific Gravity at 20/20°C |
1.440 - 1.455 |
|
Chloride as Cl (%w/w) |
1.0 max |
|
Colour (APHA) |
30 max |
|
Arsenic content (As ppm) |
3.0 max |