Contents
Journal of Analitical Chemistry

Vol. 68, No. 6, 2013

A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Journal of Analytical Chemistry ISSN 1061-9348.

Reviews

Microwave Sample Preparation for Geochemical and Ecological Studies

I. V. Kubrakova and E. S. Toropchenova p. 467  abstract

Articles

Methodology of Analysis of Unseparated Mixtures: Error Limits in Estimating
the Total Analyte Concentration Recalculated to a Standard Substance

V. I. Vershinin, M. P. Kuleshova, N. A. Isachenko, and P. V. Shiligin p. 477  abstract

Role of p-Nitrobenzcyanhydrin in the Indicator Reaction of p-Nitrobenzaldehyde
with o-Dinitrobenzene Catalyzed by the Cyanide Anion

A. A. Druzhinin, D. O. Korneev, and A. A. Rodionov p. 485  abstract

Spectrophotometric Determination of Trace Mercury(II) in Cereals
with 2,4-Bis(4-Phenylazophenylaminodiazo)Benzenesulfonic Acid

Shuangming Meng, Junli Wang, Yueqin Fan, Qiang Zhao, and Yong Guo p. 488  abstract

Highly Sensitive Spectrophotometric Methods for the Determination, Validation
and Thermogravimetric Analysis of Antiulcer Drugs, Nizatidine and Ranitidine
in Pure and Pharmaceutical Preparations

Sevgi Tatar Ulu and Fikriye Tuncel Elmali p. 495  abstract

New Spectrophotometric and Spectrofluorimetric Methods for the Determination
of Angiotensin II Receptor Antagonists in Tablets and Plasma

S. E. Kepekci Tekkeli and A. Önal p. 501  abstract

A Derivative UV Spectrophotometric Method for the Determination
of Levothyroxine Sodium in Tablets

A. Gregorini, M. E. Ruiz, and M. G. Volonté p. 510  abstract

Voltammetry Determination of Dopamine by the Electrocatalytic Response
of an Electrode Modified by a Polyaniline Film with an Inclusion
of Copper(II) Tetrasulfophthalocyanine

L. G. Shaidarova, A. V. Gedmina, M. L. Artamonova,
I. A. Chelnokova, and H. C. Budnikov p. 516  abstract

Optimization of the Micellar Electrokinetic Capillary Chromatographic
Determination of Dauricine and Daurisoline in Rhizoma Menispermi
and Its Herbal Medicine Using Experimental Design and Radial Basis
Function Neural Network

Wenjuan Lü, Yonglei Chen, Hongli Chen, and Xingguo Chen p. 525  abstract

Electrophoretic Determination of Thioamides, Pyridine and Pyrimidine Derivatives

M. S. Chenov’yants, I. V. Burykin, and N. E. Erofeev p. 532  abstract

Electrocatalytic Oxidation and Flow-Injection Determination of Sulfur Amino Acids
on a Glassy Carbon Electrode Modified by a Nickel(II) Polytetrasulfophthalocyanine Film

L. G. Shaidarova, A. V. Gedmina, I. A. Chelnokova,
M. L. Artamonova, and H. C. Budnikov p.536 abstract

Development and Validation of an HPLC Method for the Determination
of Verapamil Residues in Supports of Cleaning Procedure

Dragan M. Milenovic', Sneframe0ana P. Miloframe1evic', Svetlana Lj. frame2uric',
Daniela frame3. Naskovic', and Sneframe4ana S. Mitic' p. 545  abstract

Combination of the QuEChERS Method with Dispersive Liquid–Liquid Microextraction
and Derivatization in the Determination of Mycotoxins in Grain and Mixed Feed
by Gas–Liquid Chromatography with an Electron-Capture Detector

V. G. Amelin, N. M. Karaseva, and A. V. Tret’yakov p. 552  abstract

Determination of the Triglyceride Composition of Pomegranate Seed Oil
by Reversed-Phase HPLC and Spectrophotometry

A. V. Turtygin, V. I. Deineka, and L. A. Deineka p.558 abstract

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