نتایج جستجو برای: antimony determination

تعداد نتایج: 254588  

Journal: :Dalton transactions 2016
Sk Imran Ali Mats Johnsson

The single crystals of the new isostructural compounds Sb3O4F and Y0.5Sb2.5O4F and the two previously known compounds M-SbOF and α-Sb3O2F5 were successfully grown by a hydrothermal technique at 230 °C. The new compound Sb3O4F crystallizes in the monoclinic space group P21/c; a = 5.6107(5) Å, b = 4.6847(5) Å, c = 20.2256(18) Å, β = 94.145(8)°, z = 4. The replacing part of Sb with Y means a sligh...

2013
Paloma Tejera Nevado Dorothea Zander

17 Antimony-based drugs are still the mainstay of chemotherapy against Leishmania infections in 18 many endemic countries. Efficacy of antimonials has been compromised by increasing numbers of 19 resistant infections, the basis of which is not fully understood and likely involves multiple factors. 20 By using a functional cloning strategy he have recently identified a novel antimony resistance ...

1944
Edmund Burke K. C. Chakravarty

Introduction.?The senior writer, Burke (1943), made an appeal for an efficient successor to neostibosan (Bayer), this, preferably, to be a British product. What seems to be an almost perfect answer to that appeal?and indeed a British product?is the preparation stibatin (Glaxo Laboratories), or sodium antimony gluconate (antimony v-hexonate), a crystal-clear sterile solution containing 20 mg. of...

2014
G. Juárez Díaz J. Martinez-Juarez P. López Salazar R. Peña-Sierra J. I. Contreras-Rascon J. Díaz-Reyes

This work report on the structural and electrical characteristics of zinc oxide single crystal samples doped with antimony. Doping was carried out by antimony thermal diffusion at 1000 °C for periods of one and two hours under nitrogen environment from a solid source formed by antimony oxide. X-ray diffraction was used to determine the crystalline phases in samples and the structural change owi...

2014
E. Angelico

A model is presented that describes the pumping characteristics of St707 getter material, the evaporation rate of antimony, and the resulting partial pressure of Sb within a vacuum chamber. The results show that within the 250-450◦C range, the partial pressure of antimony ranges from 10−7 Pa to 10−2 Pa. In a limiting case where the getter efficiency is tuned to 10, 000 L/s, partial pressures ar...

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