International comparability of chemical measurement results R. Wielgosz Special Issue Paper Pages: 767 - 771
New IUPAC recommendations on the measurement of pH – background and essentials Friedrich G. Baucke Special Issue Paper Pages: 772 - 777
Traceability of pH measurements by glass electrode cells: performance characteristic of pH electrodes by multi-point calibration R. Naumann Ch. Alexander-Weber P. Spitzer Special Issue Paper Pages: 778 - 786
Improved reliability of pH measurements Petra SpitzerBarbara Werner Special Issue Paper Pages: 787 - 795
Extended traceability of pH: an evaluation of the role of Pitzer's equations Günther Meinrath Special Issue Paper Pages: 796 - 805
Acidity function p(a H γ Cl) as a step to pH assessment Maria CamõesMaria Guiomar Lito Special Issue Paper Pages: 806 - 812
pH measurements in non-aqueous and aqueous–organic solvents – definition of standard procedures Sandra Rondinini Special Issue Paper Pages: 813 - 816
Secondary pH standards and their uncertainty in the context of the problem of two pH scales Rouvim Kadis Original Paper Pages: 817 - 823
Uses of pH electrodes in nuclear chemistry C. Ekberg S. Andersson M. Olsson Special Issue Paper Pages: 824 - 830
Measurement uncertainty in the pH measurement procedure Ralf Degner Special Issue Paper Pages: 831 - 834
Separation and identification of organic acid-coenzyme A thioesters using liquid chromatography/electrospray ionization-mass spectrometry Joseph J. DallugeSteven GortRavi Gokarn Original Paper Pages: 835 - 840
Whole-cell biosensing of 3-chlorocatechol in liquids and soils X. GuanElisa d'Angelo S. Daunert Original Paper Pages: 841 - 847
Assessing the transfer of pesticides to the atmosphere during and after application. Development of a multiresidue method using adsorption on Tenax and thermal desorption-GC/MS Olivier BriandMaurice MilletRené Seux Original Paper Pages: 848 - 857
Quantification of the refrigerants R22 and R134a in mixtures by means of different polymers and reflectometric interference spectroscopy F. Dieterle G. Belge G. Gauglitz Original Paper Pages: 858 - 867
Determination of cationic surfactants in water samples by their enhanced resonance light scattering with azoviolet Chuan YangYuan LiCheng Huang Original Paper Pages: 868 - 872
Determination of trace levels of dissolved vanadium in seawater by use of synthetic complexing agents and inductively coupled plasma–atomic emission spectroscopy (ICP–AES) Ghiasse AbbasseBaghdad OuddaneJean Fischer Original Paper Pages: 873 - 878
New procedures for determination of acids in coffee extracts, and observations on the development of acidity upon ageing Giancarlo VerardoFederico CecconiAngelo G. Giumanini Original Paper Pages: 879 - 885
Origin assessment of green coffee (Coffea arabica) by multi-element stable isotope analysis of caffeine Bernhard WeckerleElke RichlingPeter Schreier Original Paper Pages: 886 - 890
Electrocatalytic activity of cobalt phthalocyanine stabilized by different matrixes B. Ballarin M. Gazzano R. Seeber Original Paper Pages: 891 - 897
Environmetric modeling and interpretation of river water monitoring data V. Simeonov J. Einax J. Kraft Original Paper Pages: 898 - 905
A mathematical model and mechanism of sublation of dye-surfactant ion complexes Yujuan LuXihai Zhu Original Paper Pages: 906 - 914
The acetylsalicylic acid–bromine system for multicomponent kinetic determinations Guillermo López-CuetoMiren OstraCarlos Ubide Original Paper Pages: 915 - 922
One-step SFE-plus-C18 selective extraction of low-polarity compounds, with lipid removal, from smoked fish and bovine milk Md. AliRichard B. Cole Original Paper Pages: 923 - 931
Validation of an SPME method, using PDMS, PA, PDMS–DVB, and CW–DVB SPME fiber coatings, for analysis of organophosphorus insecticides in natural waters D. Lambropoulou V. Sakkas T. Albanis Original Article Pages: 932 - 941
Microwave extraction of heavy metals from wet rhizosphere soils and its application to evaluation of bioavailability Shuzhen ZhangAnxiang LuSongxue Wang Original Paper Pages: 942 - 947
Improved immobilization of 8-hydroxyquinoline on polyacrylonitrile fiber and application of the material to the determination of trace metals in seawater by inductively coupled plasma mass spectrometry Bei WenXiao-quan Shan Original Paper Pages: 948 - 954
Application of a heated electrospray interface for on-line connection of the AAS detector with HPLC for detection of organotin and organolead compounds P. Rychlovský P. Černoch M. Skleničková Original Paper Pages: 955 - 962
A sequential-injection system for spectrophotometric determination of p-aminobenzoic acid in sunscreens. Alberto ChisvertJose-Vicente IzquierdoAmparo Salvador Original Paper Pages: 963 - 967
Estimation of the homogeneity of reference materials by SS–ETAAS and use of the "tape-sandwich" sample-introduction technique J. Štupar F. Dolinšek U. Koren Original Paper Pages: 968 - 976
Preconcentration and separation of copper(II), cadmium(II) and chromium(III) in a syringe filled with 3-aminopropyltriethoxysilane supported on silica gel Nilgun TokmanSuleyman AkmanUnel Koklu Original Paper Pages: 977 - 980