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American Journal of Analytical Chemistry is a peer reviewed international journal dedicated to the latest advancement in analytical chemistry. The goal of this journal is to keep a record of the state-of-the-art research and to promote study, research and improvement within its various specialties. All manuscripts sub…
Yan Li, Guorong Du, Wensheng Cai, Xueguang Shao
Raman spectroscopy has been proven a noninvasive technique with high potential in pharmaceutical industry. In this study, micro Raman technique and chemometric tools were used for identification of azithromycin (AZM) tablets by different manufacturers and qua…
Sunil R. Dhaneshwar, Vaijanath N. Jagtap
In the present study, comprehensive stress testing of tenatoprazole was carried out according to ICH guide-line Q1A (R2). Tenatoprazole was subjected to stress conditions of hydrolysis, oxidation, photolysis and neutral decomposition. Extensive degradation wa…
M. C. Yebra-Biurrun, J. M. Castro-Romero
A simple on-line sonodigestion system was successfully used for breakdown organic nickel complexes in environmental waters acidified with diluted nitric acid prior to flow injection total dissolved nickel preconcentration in a microcolumn containing a chelati…
Alisa Elezović, Amar Elezović, Sabira Hadžović
Nail lacquers represent new drug form specifically designed to treat infected nail plate. They are complex organic solutions with specific assaying problems due to the high content of the polymer and plasticizer. Furthermore, there is a lack of assaying metho…
Xunyue Liu, Xingcheng Ding, Tatsuya Suzuki, Masao Nomura, Yasuhiko Fujii
The effects of cross linking with porous cation exchange resin were studied for nitrogen isotope separation. The displacement chromatography was conducted by the resin with cross linking rang from 20% to 40%. A sharp adsorbed ammonium band was maintained for…
A. Eswari, S. Usha, L. Rajendran
A mathematical model of CE reaction schemes under first or pseudo-first order conditions with different diffusion coefficients at a spherical electrode under non-steady-state conditions is described. The model is based on non-stationary diffusion equation con…
Naullage I. Perera, Manik Pavan Maheswaram, Dhruthiman Mantheni, Dhanuja D. Perera, M. Ellen Matthews, Alan Riga, Tobili Sam Yellowe
Three electrorheological fluids (ERFs) of recently synthesized Polyaniline.HCl and Cellulose fluids as well as a commercial product from Fludicon® (Germany), were evaluated with a two-electrode probe unit and by Dielectric Analysis (DEA). The study was a part…
Madireddy Venkataramanna, Indukuri Venkata Somaraju, Kondra Sudhakar Babu
Degradation pathway for gefitinib is established as per ICH recommendations by validated and stability in-dicating reverse phase liquid chromatographic method. Gefitinib is subjected to stress conditions of acid, base, oxidation, thermal and photolysis. Signi…
Juana Rodríguez Flores, Ana Maria Contento Salcedo, Lorena Muñoz Fernández
This work presents a multi-residue analytical method based on solid phase extraction (SPE) followed by high-performance liquid chromatographic (HPLC) with diode array (DAD) detection for the simultaneous determination of a group of pharmaceutical products tha…
Yoshihiro Kudo, Daisuke Todoroki, Nobukazu Suzuki, Naoki Horiuchi, Shoichi Katsuta, Yasuyuki Takeda
An empirical solution to abnormal potential responses, showing peaks of emf, of commercial Cu2+- and Cd2+-selective electrodes with solid-state membranes was proposed for aqueous solutions of CuCl2 and CdI2. The two-step processes of Mn+ + Yn? (s: solid phase…
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American Journal of Analytical Chemistry is a peer reviewed international journal dedicated to the latest advancement in analytical chemistry. The goal of this journal is to keep a record of the state-of-the-art research and to promote study, research and improvement within its various specialties. All manuscripts sub… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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