-
817.
Ozonization
Subjects
Chemical reactions
-
818.
Paint
Subjects
Industrial paintingPoliment i acabatProtective coatings
-
819.
Palladium
Subjects
-
820.
Pamoic acid
Subjects
-
821.
Paper chromatography
Subjects
Chromatography
-
822.
Paper electrophoresis
Subjects
Electrophoresis
-
823.
Paramagnetism
Subjects
-
824.
Particles
Subjects
Soils
-
825.
Patina of metals
Subjects
Metals finishing
-
826.
Pauson-Khand reaction
Subjects
Ring formation (Chemistry)
-
827.
Pectin
Subjects
-
828.
Pentoses
Subjects
Monosaccharides
-
829.
Peptides
Subjects
Proteins
-
830.
Perchloric aci
Subjects
Inorganic acids
-
831.
Percolation
Subjects
Solvents
-
832.
Perfumes
Subjects
Personal beautyCosmeticsEssences and essential oilsOdorsToilet preparations
-
833.
Perfumes industry
Subjects
Cosmetics industry
-
834.
Periodic law
Subjects
Chemical elementsPhysical and theoretical chemistry
-
835.
Periodic table of the elements
Subjects
Chemical elementsPhysical and theoretical chemistry
-
836.
Permanganates
Subjects
Manganese
-
837.
Peroxidation
Subjects
Oxidation
-
838.
Peroxides
Subjects
-
839.
Persistent pollutants
Subjects
Pollutants
-
840.
Pesticides
Subjects
Agricultural chemicals
Last updated dated: 11/05/2025