of uncharged metal chelates, 61
oxonium, 67
selectivity of, 57
systems, 58
F
F-test, 19
F, critical values for, 19
Filter photometry, 277
Fission, spontaneous, 452
Flame,
characteristics, 314
degree of ionization of elements in, 320
emission spectra, 316
photometry, applications of, 319
processes, 315
Flash vaporizer, 94
Flow control, 93
Fluorescence, 374
detection, 176
detectors, 131
secondary and tertiary, X-rays, 341
yield factor, X-rays, 340
yield factor, UV/visible, 375
UV/visible, 374
Fluoride, determination in water samples, 507
Fluorimetry, 373
Formula, empirical, 434 , 436