Science, Tech, Math › Science Chemistry Abbreviations Starting With the Letter P Share Flipboard Email Print Science Picture Co/Collection Mix:Subjects/Getty Images Science Chemistry Abbreviations & Acronyms Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Activities for Kids Biology Physics Geology Astronomy Weather & Climate By Anne Marie Helmenstine, Ph.D. Anne Marie Helmenstine, Ph.D. Facebook Twitter Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. Learn about our Editorial Process Updated on February 28, 2019 Chemistry abbreviations and acronyms are common in all fields of science. This collection offers common abbreviations and acronyms beginning with the letter P used in chemistry and chemical engineering. P - Peta P - Phosphorus p - pico P - Pressure P - Proton PA - Phosphatidic Acid Pa - Pascal Pa - Protactinium PA - Proton affinity PA # - PolyAmide polymer number PAA - PolyAcrylic Acid PABA - ParaAminoBenzoic Acid PAC - Pharmaceutically Active Compound PAC - Polycyclic Aromatic Content PAC - Powdered Activated Carbon PAEK - Polyaryletherketone PAGE - PolyAcrylamide Gel Electrophoresis PAH - Polycyclic Aromatic Hydrocarbon PAI - PolyAmide Imide PAO - PolyAlphaOlefin PASA - PolyAmide, Semi-Aromatic Pb - Lead PB - PolyButylene PBB - PolyBrominated Biphenyl PBD - PolyButaDiene PBI - PolyBenzImidazole PBN - PolyButylene Naphthalate PBS - Phosphate Buffered Saline PBT - PolyButylene Terephthalate PC - PolyCarbonate PC - Pyruvate Carboxylase PCA - Pyrrolidone Carboxylic Acid PCC - Pyridine Chloro Chromate PCE - Tetrachloroethylene PCR - Polymerase chain reaction PCV - Pressure control valve Pd - Palladium PD - Positive displacement PD - Potential difference PE - PhycoErythrin PE - Polyethylene PE - Potential energy PEA - PolyEster Amine PEEK - PolyEtherEtherKetone PEG - PolyEthylene Glycol PEK - Poly Ether Ketone PEL - Permissible exposure limit PERC - Tetrachloroethylene PES - PolyEtherSulfone PET - Polyethylene Terephthalate PETP - Polyethylene terephthalate PEX - Cross-linked PolyEthylene PFC - Perfluorocarbon pg - picogram PG - Propylene Glycol PG - Prostaglandin PGA - 3-PhosphoGlyceric Acid PGA - PolyGlutamic Acid PGE - Platinum group elements PGM - Platinum group metals pH - measurement of H+ ions in aqueous solution PH - Phenol functional group PHA - PolyHydroxyAlkanoate PHB - PolyHydroxyButyrate PHC - Petroleum HydroCarbon PHMB - PolyHexaMethyleneBiguanide PHT - PHThalate PI - Phosphate Ion PI - PolyImide PIB - PolyIsoButylene pK - Measurement of the dissociation constant PLA - Polymerized Lactic Acid PLC - PhosphoLipase-C PM3 - Parameterized Model number 3 PM10 - Particulates smaller than 10 μm. PM - Particulate Matter PM - Photo Multiplier pm - picometer PM - Plasma Membrane PM - Powder Metallurgy Pm - Promethium PMA - PhosphoMolybdic Acid PMA - PolyMethyl Acrylate PMID - PubMed IDentifier PMMA - PolyMethylMethAcrylate PMO - PolyMethylene Oxide PNPA - PolyNucleotide Phosphorylase A PNPB - PolyNucleotide Phosphorylase B Po - Polonium POC - Polar organic contaminant pOH - Measurement of OH- ions in aqueous solution POL - Petroleum, oils, and lubricants POP - Persistent organic pollutant PORC - Porcelain PPA -PhenylPropanolAmine PPA - PolyPhthalAmide PPB - Parts per billion PPM - Parts per million PPO - PolyPhenylene Oxide PPS - PolyPhenylene Sulfide PPT - Parts per trillion PPT - PolyPyrimidine Tract PPT - Precipitate Pr - Praseodymium PRV - Pressure relief valve PSI - Pounds per square inch PSV - Pressure safety valve Pt - Platinum PTFE - PolyTetraFluoroEthylene Pu - Plutonium PU - PolyUrethane PV - Parity Violation PV - Pressure Volume PVC - PolyVinyl Chloride PVT - Pressure, volume, temperature PXY - Para-XYlene Featured Video Cite this Article Format mla apa chicago Your Citation Helmenstine, Anne Marie, Ph.D. "Chemistry Abbreviations Starting With the Letter P." ThoughtCo, Sep. 3, 2021, thoughtco.com/chemistry-abbreviations-starting-with-the-letter-p-603466. Helmenstine, Anne Marie, Ph.D. (2021, September 3). Chemistry Abbreviations Starting With the Letter P. Retrieved from https://www.thoughtco.com/chemistry-abbreviations-starting-with-the-letter-p-603466 Helmenstine, Anne Marie, Ph.D. "Chemistry Abbreviations Starting With the Letter P." ThoughtCo. https://www.thoughtco.com/chemistry-abbreviations-starting-with-the-letter-p-603466 (accessed August 12, 2022). copy citation