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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…
Paul Matejtschuk, Chinwe Duru, Kiran Malik, Ernest Ezeajughi, Elaine Gray, Sanj Raut, Fatme Mawas
Residual moisture is a key quality control parameter for lyophilized biologicals, as high moisture can correlate with poor stability. Coulometric Karl Fischer titration is the most widely used technology to determine residual water content; some chemicals are…
Rehab Mobark Osman Mohammed, Saad Mohmmed Hussein Ayoub
Citrus aurantifolia , the family Rutaceae, which consists of 150 genera and 900 species, is gaining grounds as important source for treatment in complementary medicine, and commonly called limone. Chloroform, methanol and ethanol extract exhibited significant…
Ayşegül Şenocak, Cemil Alkan, Ahmet Karadağ
The thermal decompositions of polystyrene (PS), poly(p-methyl styrene) (PMS), poly(p-bromo styrene) (PBrS), and poly(p-chloro styrene) (PClS) were investigated through thermogravimetric analysis (TGA). For this aim, Flynn-Wall-Ozawa method was applied to deri…
Ahmad Sabry Abu-Khadra, Rabie Saad Farag, Alaa El-Dine Mokhtar Abdel-Hady
New series of Ag, Cd(II), Ce(III), Co(II), Cr(III), Fe(III), Ni(II) and Pb(II) complexes with ( E )- N -(4-(2- hydroxybenzylideneamino) phenylsulfonyl) {S.S} have been synthesized. These compounds have been characterized by different physico-chemical techniqu…
Muhammad Israr, Faiza Faheem, Fozia T. Minhas, Asma Rauf, Saba Rauf, M. Raza Shah, Fazal Rahim, Kiramat Shah, M. I. Bhanger
Extraction of sulphonated dyes through supramolecular interaction with calix[4]arene derivatives is being presented here. The selectivity of calixarene derivatives namely piperidine derivative of calix[4]arene (calix-1), 1-methyl piperazine derivative of cali…
Lihuang Jin, Cuncai Lv, Jie Wang, Han Xia, Yaoxing Zhao, Zhipeng Huang
Cobalt sulfide (Co 9 S 8 ) nanotubes were found to be an electrocatalyst for the hydrogen evolution reaction under alkaline condition. An electrode comprising of Co 9 S 8 nanotubes on a glass carbon electrode (GCE) (mass loading: 0.855 mg·cm -2 ) produced a c…
Shahzad Hossain, Goutam Dev, Mst. Sanjida Aktar, Muhammad Kamrul Hasan, A. K. M. Zakaria, Tapash Kumar Datta, Imtiaz Kamal, Sk. Md. Yunus, Md. Habibul Ahsan, Abul Kalam Azad
The ZnAl x Fe 2-x O 4 (x = 0.0, 0.2 and 0.4) spinel ferrites were prepared by the conventional solid state reaction in air at 1350°C. The X-ray diffraction of all the three samples showed sharp Bragg peaks indicating the formation of a single phase spinel str…
Romézio Alves Carvalho da Silva, Telma Leda Gomes de Lemos, Daniele Alves Ferreira, Francisco José Queiroz Monte
Among the numerous botanical species found in the Brazilian plant biome, Ximenia americana is widespread in the Northeast of Brazil, especially in the state of Ceará, where it is known as bush plum. Its bark, leaves and roots are used in popular medicine for…
Ashraf M. Mahmoud, Saad A. AlQahtani, 1 1
Spectrophotometric study was carried out, for the first time, to investigate the reaction between the vasodilator pentoxifylline hydrochloride (POX) and 1,2-naphthoquinone-4-sulphonate (NQS) reagent. The reaction occurs in alkaline medium to activate the nucl…
James A. Hodgson, Tiffany H. Seyler, Ernest McGahee, Stephen Arnstein, Lanqing Wang
Volatile nitrosamines (VNAs) are a group of compounds classified as probable (group 2A) and possible (group 2B) carcinogens in humans. Along with certain foods and contaminated drinking water, VNAs are detected at high levels in tobacco products and in both m…
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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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