| Code | Mud_Filtrate_Phenolphthalein_Alkalinity_Pf |
| Name | Pf |
| Parents | Property > Concentration > Alkalinity |
| Description | The volume ratio of 0.02 normal (N/50) standard sulfuric acid (Pf_Titration_Volume) to mud filtrate volume, API RP13 Section 8, Chemical Analysis. |
