Determination of Nitrite by a Modified Electrode of Poly(1-Naphthylamine) Film Doped with Dawson-Type Heteropolyanions Sha-Sheng HuangYan XuBi-Fen Li Pages: 1 - 5
A Novel Catalytic Procedure for the Determination of Ultratrace Zirconium Ronghuan HeJianhua Wang Pages: 7 - 11
Chelating Sorbents Prepared by the Modification of Silica Gel, Lichroprep RP-8 and Lichroprep RP-18 with Calcon and Their Application in the Analysis of Some Metal Ions Ryszard KocjanRyszard ŚwiebodaIreneusz Sowa Pages: 13 - 17
Electrochemical Reduction of Benzaldehyde as its Girard-P Derivative at the Mercury Electrode and Differential-Pulse Polarographic Determination of Benzaldehyde Luis J. Moreno LópezManuel Callejón MochónAlfonso Guiraúm Pérez Pages: 19 - 24
Spectrophotometric Method for the Determination of Cobalt with N,N′-Bis(2-Aminobenzoyl)Ethylenediamine Krishna Pillai Girish KumarK. R. Muthuselvi Pages: 25 - 28
Solid Phase Spectrophotometry for the Determination of Cobalt in Pharmaceutical Preparations Leonardo Sena Gomes TeixeiraAntônio Celso Spínola CostaMauro Korn Pages: 29 - 33
Colorimetric Procedure for the Microdetermination of the Antibilharzial Drug Praziquantel and its Applications to Pharmaceutical Formulations Alaa S. AminIbrahim S. Ahmed Pages: 35 - 40
A Micro-XRF Study of the Element Distribution on the Growth Front of Mussel Shell (Species of Unio Crassus Retzius) Sándor KuruncziSzabina TörökPierre Chevallier Pages: 41 - 48
Influence of the Native Oxide Layer on the Silicon Surface During Initial Stages of Nitridation Andreas MarkwitzGeoffrey Vaughan WhiteIan William Murray Brown Pages: 49 - 56
Determination of Active Ingredients of Apocynum Venetum by Capillary Electrophoresis with Electrochemical Detection Yuhua CaoXin ZhangJiannong Ye Pages: 57 - 62
Utility of Certain σ and π-Acceptors for the Spectrophotometric Determination of Sildenafil Citrate (Viagra) Alaa S. AminAshraf M. El-Beshbeshy Pages: 63 - 69
Complexometric Determination of Mercury(II) Using 2-Mercaptopropionylglycine as a Selective Masking Reagent Prakash ShettyA. Nityananda ShettyR. V. Gadag Pages: 71 - 73
Titrimetric and Spectrophotometric Determination of Some Phenothiazine Psychotropics in Pure Form and in Pharmaceutical Formulations with Metavanadate Kanakapura BasavaiahJavarappa Manjunatha Swamy Pages: 75 - 80
Determination of Selenium and Tin in Human Brain by Graphite Furnace Atomic Absorption Spectrometry Norbert SzoboszlaiErzsébet AndrásiIvett Császma Pages: 81 - 86
Electrochemically Driven Derivatisation-Detection of Cysteine Paul C. WhiteNathan S. LawrenceRichard G. Compton Pages: 87 - 91
Performance of ICP-MS with Hexapole Collision Cell and Application for Determination of Trace Elements in Bio-Assays Sergei F. BoulygaHans-Joachim DietzeJ. Sabine Becker Pages: 93 - 103
Detection of Sulfite via the Trapping and Subsequent Electrochemical Detection of Hydrogen Sulfide Nathan S. LawrenceMary ThompsonRichard G. Compton Pages: 105 - 110
Nano-HPLC of Oligosaccharides – Method Development and Optimization Dietmar G. SchmidBeate BehnkeReinhard Kuhn Pages: 111 - 118