TSP trisodium phosphate anhydrous
US $1.50-$2.10
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Name of index | FCC-V | E -341(ii) | ||
Description | Granular powder or white, deliquescent crystals or granules | |||
Identification | Pass test | Pass test | ||
Assay | % | As Ca 15.9-17.7(Monohydrate) 16.8-18.3(Anhydrous) | ≥95(On the dried basis) | |
P2O5 Content | % | -- | 55.5-61.1 | |
CaO(105℃, 4hours) | -- | 23.0%-27.5%(anhydrous) 19.0-24.8%(monohydrate) | ||
Fluoride | ≤ppm | 50 | 30(expressed as fluorine) | |
Loss on drying | ≤1%(Monohydrate) | Anhydrous: not more than 14 % (105 °C, 4 hours) Monohydrate: not more than 17.5 % (105 °C, 4 hours) | ||
Loss on ignition (800℃±25℃,0.5h) | 14.0—15.5%(Anhydrous) | Anhydrous: not more than 17.5 % (after ignition at 800 °C ± 25 °C for 30 minutes) Monohydrate: not more than 25.0 % (determined by drying at 105 °C for one hour, then ignite at 800 °C ± 25 °C for 30 minutes) | ||
Organic volatile impurities | -- | -- | ||
Barium | -- | -- | ||
Arsenic(As) | ≤ppm | 3 | 1 | |
Lead(Pb) | ≤ppm | 2 | 1 | |
Mercury(Hg) | ≤ppm | -- | 1 | |
Cadmium | ≤ppm | -- | 1 | |
Aluminium | -- | Not more than 70 mg/kg (only if added to food for infants and young children) Not more than 200 mg/kg (for all uses except food for infants and young children) |