全部文献期刊会议图书|学者科研项目
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作者:Mooki Bae , Jae-chun Lee , Hyunju Lee ...
来源:[J].Separation and Purification Technology(IF 2.894), 2020, Vol.235
摘要:Abstract(#br)To develop a process for simultaneous extraction and recovery of nitric acid and gold from gold-bearing aqua regia solutions, solvent extraction study was conducted by using tributyl phosphate (TBP) as the extractant. The extraction behaviors of acid from the pure aqua regia...
作者:Fatih Doğan , Cemal Alper Kemaloğlu
来源:[J].SpringerPlus, 2016, Vol.5 (1), pp.1-6
摘要:Abstract(#br) Background(#br) Aqua regia, a highly corrosive mixture of concentrated nitric acid and hydrochloric acid, is used to dissolve various metals such as gold and platinum that are not soluble in other types of acids. For the first time in the literature, we report ...
作者:Xin-li LIU , Yao JIANG , Hui-bin ZHANG ...
来源:[J].Transactions of Nonferrous Metals Society of China(IF 0.917), 2017, Vol.27 (3), pp.584-590
摘要:... The corrosion behaviors of porous Ti 3 SiC 2 in nitric acid and aqua regia were investigated by immersing test. Scanning electron microscope (SEM), X-ray diffractometer (XRD), energy dispersive spectrometer (EDS) and X-ray photoelectron spectroscopy (XPS) were used to analy...
作者:Denis Badocco , Francesca Romanini , Valerio Di Marco ...
来源:[J].Polyhedron(IF 1.813), 2017, Vol.122, pp.25-28
摘要:... In this work, the formation of volatile iodine compounds in concentrated acid solutions (nitric acid or aqua regia) under microwave heating was studied by UV–Vis spectrophotometry, linear sweep voltammetry, and cyclic voltammetry. It was evidenced that molecular iodine...
作者:Yong Wang , Laura A. Baker , Ian D. Brindle
来源:[J].Talanta(IF 3.498), 2016, Vol.148, pp.419-426
摘要:... This study investigated in-depth the issue of low recoveries of gold from aqua regia (AR) digestions, reported by a number of researchers. Conventional AR digestions consistently delivered gold recoveries in a range of 69–80% of the certified values for the four certif...
作者:M. Niemelä , S. Pitkäaho , S. Ojala ...
来源:[J].Microchemical Journal(IF 2.879), 2012, Vol.101, pp.75-79
摘要:Abstract(#br)This study investigated a microwave-assisted aqua regia digestion of catalyst samples prior to the determination of Pt, Pd, Rh and Pb by ICP-OES. While optimising the method, the effect of digestion temperature on the digestion efficiency was investigated. Few aqua regia...
作者:Fabrizio Borghesi , Francesca Migani , Enrico Dinelli
来源:[J].Journal of Geochemical Exploration(IF 1.952), 2016, Vol.169, pp.13-29
摘要:... As a further investigation of the previous study, we investigated the pseudo-total concentrations, after aqua regia digestion, of Ag, Al, As, Au, B, Ba, Be, Bi, Ca, Cd, Ce, Co, Cr, Cs, Cu, Fe, Ga, Hg, K, La, Li, Mg, Mn, Mo, Na, Nb, Ni, P, Pb, Pd, Pt, Rb, S, Sb, Sc, Se, Sn, Sr...
作者:Liuqing Huang , Huixian Lai , Chenghao Lu ...
来源:[J].Hydrometallurgy(IF 2.169), 2016, Vol.161, pp.14-21
摘要:... Based on the analysis of acid sensitivity of the Si–Cu alloy phase, it was found that aqua regia was an effective leaching agent for removing the Si–Cu alloy phases from Si grains compared to HCl and HNO 3 . Addition of copper resulted in the increase in the extraction y...
作者:Anna Santoro , Andrea Held , Thomas P.J. Linsinger ...
来源:[J].Trends in Analytical Chemistry(IF 6.351), 2017, Vol.89, pp.34-40
摘要:Abstract(#br)A number of different digestion methods, including aqua regia extraction following two ISO guides were used in an inter-laboratory comparison study. The results obtained showed comparable values for the total and aqua regia extractable content of As, Cu, Fe, Hg, Pb a...
作者:Marco Conte , Catherine J. Davies , David J. Morgan ...
来源:[J].Journal of Catalysis(IF 5.787), 2013, Vol.297, pp.128-136
摘要:Abstract(#br)Au/C catalysts are effective materials for the gas phase hydrochlorination of acetylene to vinyl chloride monomer, and to date, the most effective catalyst preparation protocol makes use of impregnation using aqua regia . In the present study, the effect of this solv...

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