833 lifetime of luminescence , 834 lifetime, , 834 ligand field, 834 ligand field splitting, 835 ligand to ligand charge transfer (LLCT) transition, 835 ligand to metal charge transfer (LMCT) transition, 835 ligands, 835 ligases (synthetases), 836 ligate, 836 light polarization, 836 light scattering, 836 light source, 837 light-atom anomaly, 837 light-emitting diode (LED), 837 lignans, 838 lignins, 838 limit of detection in analysis , 839 limit test in toxicology , 839 limiting adsorption current, 839 limiting catalytic current, 839 limiting condition of operation, 840 limiting current, 840 limiting diffusion current, 840 limiting kinetic current, 840 limiting migration current, 840 limiting sedimentation coefficient, 841 line formula, 841 line repetition groups, 841 line width, 842 line width in Mössbauer spectroscopy , 842 line-of-centres model, 842 line-shape analysis, 842 linear absorption coefficient, 842 linear attenuation coefficient, 842 linear chain, 843 linear chromatography, 843 linear copolymer, 843 linear (decadic) absorption coefficient in optical spectroscopy , 843 linear (decadic) attenuation coefficient in optical spectroscopy , 843 linear dichroism (LD), 844 linear dispersion, 844