| Soil samples were pretreated with excess 0.1 M orthophosphoric acid to remove inorganic C salts. |
|
| A phosphate is a salt that is prepared from orthophosphoric acid. |
|
| The starting materials were calcium hydroxide, orthophosphoric acid and ammonium carbonate. |
|
| Activation was carried out in a muffle furnace, using orthophosphoric acid as activating reagent. |
|
| Beraneck's tuberculin consists of equal parts of the filtrate of a culture of tubercle bacilli and a 1 per cent. orthophosphoric extract of the residue. |
|
| Octadecylsilyl silica gel was used as stationary phase and acetonitrile, and sodium dihydrogen phosphate with dilute orthophosphoric acid as mobile phase. |
|
| Pyrophosphoric sulphobromide is a liquid of a clear yellow colour, and aromatic, pungent odour, resembling that of orthophosphoric sulphobromide, but still more disagreeable. |
|
| With the exception of the fertilizer products, most phosphorus compounds are derived from orthophosphoric acid, produced by the oxidation of elemental phosphorus. |
|
| Evaporate 25 cc. of orthophosphoric acid solution to dryness, setting the burner beneath the dish and adjusting the flame so that the tip does not quite touch the dish. |
|
