Preparation table of important identifiers according to USP order
| Row | The Persian name of the identifier | Latin name identifier | How to prepare | Description |
| 1 | amaranth | Amaranth | Dissolve 20 mg in 10 ml of water. | |
| 2 | Phenolphthalein | Penol Phthalein | Dissolve one gram in 100 ml of ethanol | |
| 3 | Eosin Y | Eosin Y | Dissolve 50 mg in 10 ml of water | |
| 4 | starch glue | Starch | Dissolve one gram of starch together with 10 mg of mercury in a little water until it becomes sticky. Then add 200 milliliters of boiling water and boil for one minute. | Use the clear part of the solution. This solution must be freshly prepared |
| 5 | Bromocresol blue or green | Bromocresol Blue | Dissolve 50 mg of it in 100 ml of alcohol and filter if needed. | |
| Methyl Red | Dissolve 100 mg of methyl red in 100 ml of alcohol and filter if necessary | |||
| 7 | Methyl orange | Methyl Orange | Dissolve 100 mg of methyl orange in 100 ml of water and filter if needed. | |
| 8 | thymol blue | Thymol Blue | Dissolve 100 mg of thymol blue in 100 ml of alcohol and filter if necessary |
