The colorimetric determination of hexoses with carbazole [PDF]
, 1947 The optimum conditions for the calorimetric estimation of hexoses by reaction with carbazole in hot sulfuric acid solution have been determined and a convenient procedure, giving results with a precision of 2 to 5 per cent in the range of 50 to 150 γ of ...
Holzman, George +2 more
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Hygroscopicity of nanoparticles produced from homogeneous nucleation in the CLOUD experiments [PDF]
, 2016 Sulfuric acid, amines and oxidized organics have been found to be important compounds in the nucleation and initial growth of atmospheric particles. Because of the challenges involved in determining the chemical composition of objects with very small ...
Flagan, R. C., Kim, J.
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Intumescent composition, foamed product prepared therewith and process for making same [PDF]
, 1974 An intumescent composition and the foamed product prepared by heating the composition are provided. The composition comprises the reaction product of para-benzoquinone dioxime and a concentrated mineral acid such as sulfuric acid, phosphoric acid, and ...
Parker, J. A., Riccitiello, S. R.
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Chemical analysis of aerosol in the Venusian cloud layer by reaction gas chromatography on board the Vega landers [PDF]
The experiment on sulfuric acid aerosol determination in the Venusian cloud layer on board the Vega landers is described. An average content of sulfuric acid of approximately 1 mg/cu m was found for the samples taken from the atmosphere at heights from ...
Bondarev, V. B. +9 more
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Oxidation of SO2 by stabilized Criegee intermediate (sCI) radicals as a crucial source for atmospheric sulfuric acid concentrations [PDF]
, 2013 The effect of increased reaction rates of stabilized Criegee intermediates (sCIs) with SO2 to produce sulfuric acid is investigated using data from two different locations, SMEAR II, Hyytiälä, Finland, and Hohenpeissenberg, Germany. Results from MALTE, a
Berresheim, H +11 more
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Backscatter laser depolarization studies of simulated stratospheric aerosols: Crystallized sulfuric acid droplets [PDF]
The optical depolarizing properties of simulated stratospheric aerosols were studied in laboratory laser (0.633 micrometer) backscattering experiments for application to polarization lidar observations. Clouds composed of sulfuric acid solution droplets,
Sassen, Kenneth +2 more
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Laboratory evaluation of microwave absorption properties under simulated conditions for planetary atmospheres [PDF]
The microwave absorbing properties of gaseous sulfuric acid (H2SO4) under Venus atmospheric conditions are investigated. The results are applied to measurements from Mariner 5, Mariner 10, and Pioneer/Venus Radio Occultation experiments, to determine ...
Steffes, P. G.
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Comparison of sulfuric and oxalic acid anodizing for preparation of thermal control coatings for spacecraft [PDF]
The development of thermal control surfaces, which maintain stable solar absorptivity and infrared emissivity over long periods, is challenging due to severe conditions in low-Earth orbit (LEO).
Le, Huong G. +2 more
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Effect of dimethylamine on the gas phase sulfuric acid concentration measured by Chemical Ionization Mass Spectrometry [PDF]
, 2016 Sulfuric acid is widely recognized as a very important substance driving atmospheric aerosol nucleation. Based on quantum chemical calculations it has been suggested that the quantitative detection of gas phase sulfuric acid (H_2SO_4) by use of Chemical ...
Flagan, R. C., Rondo, L.
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Solubility of Sulfur Dioxide in Sulfuric Acid [PDF]
The solubility of sulfur dioxide in 50% (wt./wt.) sulfuric acid was evaluated by regular solution theory, and the results verified by experimental measurements in the temperature range of 25 C to 70 C at pressures of 60 to 200 PSIA. The percent (wt./wt.)
Chang, K. K. +2 more
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