Precipitates,
purity of, 222 , 225rates of formation and particle growth, 220solubility, 218 , 224stoichiometry, 224Precipitation,
co-, 222homogeneous, 223methods, 223organic agents, 218post, 222reactions, 217Precision,
definition, 14overall, 23Pretreatment of samples, 503
Principal modes of HPCE, 178
Principle component analysis (PCA), 33
Procedures, colorimetric and spectrophotometric, 372
Proportional gas ionization detector, 458
Proteins, specific binding, 469
Protons, exchangeable, 409
Pulse damper, 120
Pulsed Fourier transform nmr (FT-NMR) (FT) spectrometer, 413
Pulse height analysis(PHA), 465
Pumps, constant flow reciprocating, 122
Pyrolyser, controlled furnace-type, 499
Pyrolysis,