Development and optimization of a multichannel FIA-cell allowing the simultaneous determination with a multiwavelength photometric device based on light emitting diodes H. P. BeckC. Wiegand Original Papers Pages: 701 - 707
Simultaneous ion-pair chromatography of inorganic anions and cations using on-column derivatization with chelating agents and UV detection A. PadarauskasG. Schwedt Original Papers Pages: 708 - 713
A taylor series model to evaluate the interelemental effects in X-ray fluorescence analysis, applied to the iron-zirconium-diluent system J. V. Gimeno AdelantadoF. Bosch ReigF. Bosch Mossi Original Papers Pages: 714 - 719
Extractive spectrophotometric determination of niobium(V) with 3-hydroxy-2-(2-thienyl)-4H-chromen-4-one Anoop Kumar ChhakkarLajpat Rai Kakkar Original Papers Pages: 720 - 723
Flow injection near-infrared determination of ethanol in chloroform Emilio López-AnreusSalvador GarriguesMigue de la Guardia Original Papers Pages: 724 - 728
Measurement of nanomolar diphenols by substrate recycling coupled to a pH-sensitive electrode Arkadi V. EremenkoAlexander MakowerFrieder W. Scheller Original Papers Pages: 729 - 731
Sensitive Laser induced fluorescence detection of Polyamine-Fluoresceinisothiocyanate-derivatives after capillary zone electrophoretic separation Jürgen MattuschGernot HuhnRainer Wennrich Original Papers Pages: 732 - 738
Thin-layer chromatography as a pilot technique for HPLC demonstrated with pesticide samples S. ReukeH. E. Hauck Original Papers Pages: 739 - 744
Multielement determinations in ground water ultrafiltrates using inductively coupled plasma mass spectrometry and monostandard neutron activation analysis T. ProbstP. ZehJ. -I. Kim Original Papers Pages: 745 - 751
Determination of alachlor and two metabolites in groundwater using solid phase and a new micro-liquid-liquid extraction method Regine HeyerAndreas ZapfH. -J. Stan Original Papers Pages: 752 - 757
Simultaneous flow injection determination of ammoniacal nitrogen and chloride in industrial effluent water with a combined on-line gas diffusion/dialyser unit Jacobus F. van StadenCornelius J. HattinghDaniel Malan Original Papers Pages: 758 - 761
Determination of carbon-bonded sulfur in soils by hydriodic acid reduction and hydrogen peroxide oxidation Shan Xiao-quanChen Bin Original Papers Pages: 762 - 767
Identification of vitamins A, D and E by particle beam liquid chromatography-mass spectrometry M. CareriM. T. LugariS. Spagnoli Original Papers Pages: 768 - 776
Validated method for the determination of carboplatin in biological fluids by Zeeman atomic absorption spectrometry L. J. C. van WarmerdamO. van TellingenJ. H. Beijnen Original Papers Pages: 777 - 781
Peroxidase-dependent fluorescence decrease of carboxyfluorescein and its enhancement by liposome encapsulation Yoshiro TatsuSoichiro YamamuraSusumu Yoshikawa Original Papers Pages: 782 - 785
An independent accurate reference method for the determination of chromium in biological materials André LagerwaardJ. R. W. WoittiezJ. J. M. de Goeij Original Papers Pages: 786 - 789
Contributions to the analysis of organic xenobiotics in fish Thomas A. TernesJürgen HanyRoland Nagel Original Papers Pages: 790 - 797
Preconcentration of lead, cadmium and zinc on silica gel loaded with diethyldithiocarbamate prior to their determination by flame-atomic absorption spectrometry S. Rio-SegadeB. Pérez-CidC. Bendicho Short Communications Pages: 798 - 799
Differential pulse adsorptive stripping voltammetric determination of nickel and cobalt in high purity aluminium M. M. Palrecha Short Communications Pages: 800 - 801
Determination of impurities in strontium titanate ceramics by inductively coupled plasma mass spectrometry Shoji KozukaYukari YokoteHideki Matsunaga Short Communications Pages: 801 - 802
Separation and determination of Cd in biological materials by continuous-flow fluid extraction coupled to flow-injection ICP-AES E. Vereda AlonsoM. T. Siles CorderoJ. M. Cano Pavón Short Communications Pages: 802 - 804
Determination of ascorbic acid in asparagus by differential pulse polarography M. J. EsteveR. FarréA. Frígola Short Communications Pages: 804 - 805
Microanalysis of methotrexate by high-performance liquid chromatography using a fluorescence detector Tokinori SuzukiHisakuni HashimotoNorio Ichinose Short Communications Pages: 806 - 807
Simple method for immobilization and characterization of cationic indicators on an optically clear polystyrene surface T. S. PannhorstMary K. Carroll Short Communications Pages: 807 - 809