Non-Metallic Compounds-II

Preface. 31. Sulfides, selenides and tellurides (J. Flahaut). 32. Halides (J.M. Haschke). 33. Rare earth pnictides (F. Hulliger). 34. Chemistry and physics of R-activated phosphors (G. Blasse). 35. Rare earth lasers (M.J. Weber). 36. Nonradiative processes of rare-earth ions in crystals (F.K. Fong). 37A. Chemical spectrophotometric and polarographic methods (J.W. O'Laughlin). 37B. Trace element analysis of rare earth elements by spark source mass spectrometry (S.R. Taylor). 37C. Analysis of rare earth matrices by spark source mass spectrometry (R.J. Conzemius). 37D. Optical atomic emission and absorption methods (E.L. DeKalb and V.A. Fassel). 37E. X-ray excited optical luminescence of the rare earths (A.P. D'Silva and V.A. Fassel). 37F. Neutron activation analysis (F.W.V. Boynton). 37G. Mass-spectrometric stable-isotope dilution analysis for lanthanides in geochemical materials (S. Schuhmann and J.A. Philpotts). 38. Shift reagents and NMR of paramagnetic lanthanide complexes (J. Reuben and G.A. Elgavish). 39. Bioinorganic chemistry: lanthanides as probes in systems of biological interest (J. Reuben). 40. Toxicity (T.J. Haley). Subject Index.