ToF-SIMS Studies of Sulfuric Acid Hydrate Films

2004 ◽  
Vol 108 (19) ◽  
pp. 5960-5966 ◽  
Author(s):  
John S. Fletcher ◽  
Alex Henderson ◽  
Andrew B. Horn ◽  
John C. Vickerman
Keyword(s):  
Sulfuric Acid ◽  
Tof Sims ◽  
Acid Hydrate ◽  
Sulfuric Acid Hydrate

Exogenic controls on sulfuric acid hydrate production at the surface of Europa

2013 ◽  
Vol 77 ◽  
pp. 45-63 ◽  
Author(s):  
J.B. Dalton ◽  
T. Cassidy ◽  
C. Paranicas ◽  
J.H. Shirley ◽  
L.M. Prockter ◽  
...  
Keyword(s):  
Sulfuric Acid ◽  
Acid Hydrate ◽  
Sulfuric Acid Hydrate

Observations on the Interpretation and Analysis of Sulfuric Acid Hydrate Infrared Spectra

2001 ◽  
Vol 105 (41) ◽  
pp. 9422-9426 ◽  
Author(s):  
Karen L. Nash ◽  
K. Jessica Sully ◽  
Andrew B. Horn
Keyword(s):  
Sulfuric Acid ◽  
Infrared Spectra ◽  
Acid Hydrate ◽  
Sulfuric Acid Hydrate

Distribution of hydrate on Europa: Further evidence for sulfuric acid hydrate

Icarus ◽  
2005 ◽  
Vol 177 (2) ◽  
pp. 461-471 ◽  
Author(s):  
R.W. Carlson ◽  
M.S. Anderson ◽  
R. Mehlman ◽  
R.E. Johnson
Keyword(s):  
Sulfuric Acid ◽  
Acid Hydrate ◽  
Sulfuric Acid Hydrate

scholarly journals Evaluated kinetic and photochemical data for atmospheric chemistry: Volume V – heterogeneous reactions on solid substrates

2010 ◽  
Vol 10 (2) ◽  
pp. 5233-5564 ◽  
Author(s):  
J. N. Crowley ◽  
M. Ammann ◽  
R. A. Cox ◽  
R. G. Hynes ◽  
M. E. Jenkin ◽  
...  
Keyword(s):  
Atmospheric Chemistry ◽  
Kinetic Data ◽  
Solid Particles ◽  
Heterogeneous Reactions ◽  
Detailed Data ◽  
Adsorption Parameters ◽  
Solid Substrates ◽  
Heterogeneous Processes ◽  
Acid Hydrate ◽  
Sulfuric Acid Hydrate

Abstract. This article, the fifth in the ACP journal series, presents data evaluated by the IUPAC Subcommittee on Gas Kinetic Data Evaluation for Atmospheric Chemistry. It covers the heterogeneous processes on surfaces of solid particles present in the atmosphere, for which uptake coefficients and adsorption parameters have been presented on the IUPAC website in 2009. The article consists of an introduction and guide to the evaluation, giving a unifying framework for parameterisation of atmospheric heterogeneous processes. We provide summary sheets containing the recommended uptake parameters for the evaluated processes. Four substantial appendices contain detailed data sheets for each process considered for ice, mineral dust, sulfuric acid hydrate and nitric acid hydrate surfaces, which provide information upon which the recommendations are made.

New insights into lead ions activation for microfine particle ilmenite flotation in sulfuric acid system: Visual MINTEQ models, XPS, and ToF–SIMS studies

2020 ◽  
Vol 155 ◽  
pp. 106473 ◽  
Author(s):  
Shaojun Bai ◽  
Pan Yu ◽  
Zhan Ding ◽  
Yunxiao Bi ◽  
Chunlong Li ◽  
...  
Keyword(s):  
Sulfuric Acid ◽  
Lead Ions ◽  
Acid System ◽  
Visual Minteq ◽  
Tof Sims

scholarly journals Surface Features of Fluorapatite and Dolomite in the Reverse Flotation Process Using Sulfuric Acid as a Depressor

Minerals ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 33 ◽  
Author(s):  
Heng Zou ◽  
Qinbo Cao ◽  
Dianwen Liu ◽  
Xingcai Yu ◽  
Hao Lai
Keyword(s):  
Contact Angle ◽  
Sulfuric Acid ◽  
Secondary Ion Mass Spectrometry ◽  
Reverse Flotation ◽  
Flotation Process ◽  
Sulfate Anion ◽  
Surface Features ◽  
Tof Sims ◽  
Ftir Studies ◽  
Secondary Ion

The surface features of fluorapatite (FA, Ca5(PO4)3F) and dolomite (CaMg(CO3)2) conditioned with sulfuric acid (H2SO4) were examined through flotation experiments, contact angle tests, time-of-flight secondary ion mass spectrometry (TOF-SIMS), and FTIR experiments. The flotation and contact angle results suggested that oleate insufficiently adsorbed onto the H2SO4-treated FA surface such that the FA surface remained hydrophilic. However, using oleate as a collector, the recovery and hydrophobicity of H2SO4-treated dolomite were satisfactory. TOF-SIMS and FTIR studies indicated that sulfate anion bound with Ca atoms on the FA surface, which hindered oleate adsorption onto the FA surface. Meanwhile, sulfate anion and oleate species appeared on the dolomite surface, thereby generating a hydrophobic dolomite and also a satisfactory recovery.

scholarly journals Evaluated kinetic and photochemical data for atmospheric chemistry: Volume V – heterogeneous reactions on solid substrates

2010 ◽  
Vol 10 (18) ◽  
pp. 9059-9223 ◽  
Author(s):  
J. N. Crowley ◽  
M. Ammann ◽  
R. A. Cox ◽  
R. G. Hynes ◽  
M. E. Jenkin ◽  
...  
Keyword(s):  
Atmospheric Chemistry ◽  
Kinetic Data ◽  
Solid Particles ◽  
Heterogeneous Reactions ◽  
Detailed Data ◽  
Adsorption Parameters ◽  
Solid Substrates ◽  
Heterogeneous Processes ◽  
Acid Hydrate ◽  
Sulfuric Acid Hydrate

Abstract. This article, the fifth in the ACP journal series, presents data evaluated by the IUPAC Subcommittee on Gas Kinetic Data Evaluation for Atmospheric Chemistry. It covers the heterogeneous processes on surfaces of solid particles present in the atmosphere, for which uptake coefficients and adsorption parameters have been presented on the IUPAC website in 2010. The article consists of an introduction and guide to the evaluation, giving a unifying framework for parameterisation of atmospheric heterogeneous processes. We provide summary sheets containing the recommended uptake parameters for the evaluated processes. Four substantial appendices contain detailed data sheets for each process considered for ice, mineral dust, sulfuric acid hydrate and nitric acid hydrate surfaces, which provide information upon which the recommendations are made.

Preparation of Thin Cadmium Telluride Samples for Electron Microscope Studies

1974 ◽  
Vol 32 ◽  
pp. 548-549
Author(s):  
T. J. Magee ◽  
J. Peng ◽  
J. Bean
Keyword(s):  
Electron Microscope ◽  
Sulfuric Acid ◽  
Solid State ◽  
Sample Preparation ◽  
Cadmium Telluride ◽  
Potassium Dichromate ◽  
Optical Components ◽  
The Past ◽  
Solid State Devices

Cadmium telluride has become increasingly important in a number of technological applications, particularly in the area of laser-optical components and solid state devices, Microstructural characterizations of the material have in the past been somewhat limited because of the lack of suitable sample preparation and thinning techniques. Utilizing a modified jet thinning apparatus and a potassium dichromate-sulfuric acid thinning solution, a procedure has now been developed for obtaining thin contamination-free samples for TEM examination.

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