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SODIUM TRIPOLYPHOSPHATE GRANULAR
Na5P3O10
QUALITY SPECIFICATION
CAS NO.: 7758-29-4
REACH Registration No.: 01-2119430450-54-0009
Appearance |
White granules, free of foreign materials |
Chemical Properties |
Unit |
Specification/ Limits |
P2O5, content |
% |
55.5 min. – 56.5 max. |
Sodium Tripolyphosphate (Na5P3O10) content |
% |
94 min. |
pH solution 1% |
pH |
9.2 min. – 10.0 max. |
Water Insoluble |
% |
0.10 max. |
|
|
|
Phosphate forms (expressed as % of total phosphate content): |
|
|
Sodium orthophosphate |
% |
1 max. |
Sodium metaphosphate |
% |
1 max. |
Sodium pyrophosphate |
% |
4 max. |
|
|
|
Trace metals: |
|
|
Iron (Fe) content % |
% |
0.010 max. |
Calcium (Ca) + Magnesium (Mg) content |
Mg/kg |
500 max. |
|
|
|
Physical Properties |
|
|
Particle Size Distribution: |
|
|
On 1.000 mm (1000 microns) |
% |
15 max. |
On 0.250 mm (250 micron) |
% |
90 min. |
Bulk Density |
gr/cm3 |
0.9 – 1.3 |
Whiteness level (Hunter color metal (L)) |
% |
90 min. |
Storage & Shelf Life: The product should be stored in a cool, dry and odourless place. Keep in the packaging of origin. Protect from humidity. Best before 1 year after production date.