Simultaneous determination of traces of impurities in high-purity molybdenum and molybdenum trioxide by coprecipitation and inductively coupled plasma-atomic emission spectrometry Osamu KujiraiKei YamadaHaruno Okochi Original Papers Pages: 133 - 136
Voltammetric determination of traces of cobalt(II) with a chemically modified carbon paste electrode Zhiqiang GaoPeibiao LiZaofan Zhao Original Papers Pages: 137 - 141
Influence of tin(II) chloride on the solvent extraction of platinum group metals with N,N-di-n-hexyl-N'-benzoylthiourea P. VestM. SchusterK. -H. König Original Papers Pages: 142 - 144
Determination of platinum and iridium in reforming catalysts by second derivative and absorptiometric spectrophotometry J. TummavuoriS. HankalaL. Siltaloppi Original Papers Pages: 145 - 150
Determination of carbamate pesticides and some urea pesticides after derivatization with acetic anhydride by means of GC-MSD H. -J. StanP. Klaffenbach Original Papers Pages: 151 - 157
Determination of triazine herbicides with GC/MS under EI, methane CI and ammonia CI conditions detecting positive and negative ions H. -J. StanA. Bockhorn Original Papers Pages: 158 - 165
Differential-pulse adsorptive stripping voltammetry of the herbicides metamitron and isometiozine M. A. GoicoleaJ. F. ArranzZ. Gómez de Balugera Original Papers Pages: 166 - 168
On the description of lead pollution in plants caused by traffic under application of robust statistics J. EinaxB. MachelettK. Danzer Original Papers Pages: 169 - 172
Certified reference materials chlorobiphenyls (IUPAC nos 28, 52, 101, 118, 153 and 180) in dried sewage sludge — CRM 392 B. GriepinkE. A. MaierD. E. Wells Original Papers Pages: 173 - 180
INAA and flame AAS of various vegetable reference materials R. DjingovaS. ArpadjanI. Kuleff Original Papers Pages: 181 - 186
Study of the electrochemical behaviour of metaclazepam in aqueous media and its determination in biological fluids E. GonzálezL. Hernández Original Papers Pages: 187 - 192
Voltammetric determination of 4-chloro-3-methylphenol at a glassy carbon electrode E. Chico GuijarroP. Yáñez-SedeñoL. M. Polo Díez Original Papers Pages: 193 - 196
Spectrophotometric determination of trace amounts of molybdenum using morin and cetylpyridinium chloride M. Tarek M. ZakiA. K. Abdel-KaderM. M. Abdalla Short Communications Pages: 197 - 198
Spectrophotometric determination of phenol in air Sulbha AmlatheV. K. Gupta Short Communications Pages: 199 - 200