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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…
Youwen You, Cornelius E. Uboh, Fuyu Guan, Lawrence R. Soma
Non-steroidal anti-inflammatory drugs (NSAIDs) are classified as Class 4 agents by the Association of Racing Commissioners International and are banned in racehorses during competition in Pennsylvania (PA). To control the abuse of these agents in racehorses c…
Brandon J. Burnett, Andrew Giles, Arthur L. Anderson, Terry Darger, Edward Walker
We present the analysis of gold in plating solutions in the presence of several additive ions by portable X-ray fluorescence (XRF) revealing an optimum potassium gold cyanide concentration of 2 - 3 g/L for maximum cathode efficiency. Additionally, we present…
Chukwuebuka T. Onyema, Uche E. Ekpunobi, Augustina A. Edowube, Stanley Odinma, Chinweotito E. Sokwaibe
Proximate and heavy metal analysis of five instant noodles samples was carried out using standard analytical methods. The proximate analysis showed the presence of moisture content (3.65% - 7.80%), ash content (1.11% - 5.50%), fat content (13.64% - 18.69%), c…
Nikolay L. Lavrik, Nurullo U. Mulloev
In conditions of monochromatic excitation ( λ exc =337.1), the spectral dependence of the efficiency of fluorescence quenching α λ of humic acids samples by Cd 2+ and Cu 2+ ions was studied. The difference of α λ dependencies for these ions was established. I…
Yury S. Nechaev, Alp Yürüm, Adem Tekin, Nilgün Karatepe Yavuz, Yuda Yürüm, T. Nejat Veziroglu
Herein, some fundamental open questions on engineering of “super” hydrogen sorption (storage) in carbonaceous nanomaterials are considered, namely: 1) on thermodynamic stability and related characteristics of some hydrogenated graphene layers nanostructures:…
Feng He, Zijun He, Junlin Xie, Yuhui Li
Among new low-melting-point glasses, bismuth ate glass is deemed to have the most potential as an environmentally friendly replacement for polluting Pb-containing glasses. Current studies of boro-bismuthate glasses focus on the structural influence of the add…
Chamil A. Biktach, Rustem A. Usmanov, Farid M. Gumerov, Zufar I. Zaripov, Farizan R. Gabitov, Vener F. Khayrutdinov, Ilmutdin M. Abdulagatov
The experimental data on supercritical CO2 extraction of microalgae are presented. It is confirmed that microalgae contains omega-3 fatty acid components. Phase equilibria data are presented for the triolein-methanol (T = 413 K, P = 5.8 - 11.9 MPa) and ethyl…
Minori Kamaya, Hikaru Sugimoto, Yosuke Yamaguchi
A spectrophotometric approach for the detection of non-ionic surfactant (Triton X-100) has been proposed in this paper. This method does not involve extraction of the ion-associate with harmful solvents, but employs adhesion of the ion-association of potassiu…
Ryszard Świeboda, Agnieszka Jóźwiak, Grzegorz Jóźwiak, Monika Waksmundzka-Hajnos
Herbal medicinal products have a long-standing therapeutic record. To ensure the quality of herbal products specific identification tests which allow experts to discriminate related species and/or potential adulterants/substitutes are required. The purpose of…
Daniela Cordeiro, Luciana Teresa Dias Cappelini, Raphael Teixeira Verbinnen, Gustavo Henrique Lourenço Vicente, Andréa Novelli, Evaldo Luiz Gaeta Espíndola, Eny Maria Vieira
A method using a short-time derivatization step for the assessment of abamectin in water is presented. Abamectin derivative stable up to 7 days was obtained. Some regions where orange crops are present have received abamectin doses, aiming to increase the pro…
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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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