Table 1.
The applied inorganic salts. The data in the table are taken from the safety data sheets provided by the manufacturer of each reagent.
| Name of Porophor Agent | Chemical Formula | Bulk Density [g/mL] |
Solubility in Water at 20 °C [g/100g] |
|---|---|---|---|
| Potassium carbonate (Aldrich) | K2CO3 | 2.43 | 111.7 |
| Potassium bicarbonate (Aldrich) | KHCO3 | 2.17 | 22 |
| Potassium bisulphate(Aldrich) | KHSO4 | 2.20 | 51.4 |
| Potassium nitrite (Aldrich) | KNO2 | 1.92 | 298 |
| Ammonium carbonate (Aldrich) | (NH4)2CO3 | 1.50 | 32 |
| Ammonium bicarbonate (Aldrich) | (NH4)HCO3 | 1.58 | 22 |
| Ammonium bicarbonate 1-hydrate (Aldrich) |
(NH4)HCO3·H2O | - | 120 (15 °C) |
| Diammonium hydrogen phosphate (Aldrich) | (NH4)2HPO4 | 1.62 | - |
| Ammonium sulphate (Aldrich) | (NH4)2SO4 | 1.77 | 75.4 |
| Di-ammonium hydrogen citrate (Aldrich) | C6H14N2O7 | 1.48 | 100 |
| Di-ammonium oxalate monohydrate (Aldrich) | C₂H₈N₂O₄·H₂O | 1.48 | 45 |
| Sodium carbonate 10-hydrate (Aldrich) | Na2CO3·10H2O | 1.46 | 21.5; 421 (100 °C) |
| Sodium carbonate (Aldrich) | Na2CO3 | 2.53 | 21.5; 45.5 (100 °C) |
| Sodium bicarbonate (Aldrich) | NaHCO3 | 2.20 | 9.6 |
| Di-hydrogen phosphate (Aldrich) | Na2HPO4 | 1.92 | 112 |
| Sodium thiosulphate pentahydrate (Aldrich) | Na2S2O3·5H2O | 1.73 | 32.8 |
| Sodium chloride (Avantor Performance Materials) | NaCl | 2.16 | 36 |
Aldrich: St. Louis, MO, USA; Avantor Performance Materials: Radnor, PA, USA.