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When the helium content is less than 45%, the character of tri-mixed gas has no evident difference compared with that of argon. 混合气体中氦气的体积百分比小于45%时,其电弧特性与氩弧差别不大。 www.dictall.com 6. He made his debut for the national side in 2004 and has since added his ...
Three new methods are reported for the gas chromatographic analysis of di- and trisaccharides. Method I: Sugars are converted into their methoximes by reaction with methoxylamine hydrochloride in pyridine, followed by esterification with acetic anhydride. The separation is performed on OV 225 at 260...
Access through your organization Check access to the full text by signing in through your organization. Access through your organization References (19) E. Antonini et al. The oxygen equilibrium of some lamprey hemoglobins Archs Biochem. (1964) R.W. Briehl The relation between the oxygen ...
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Hazardous Decomposition Products: Hydrogen chloride gas. 2.11 Heat of Vaporization Enthalpy of vaporization = 36.78 kJ/mol at 127 °C 2.12 Odor Sharp unpleasant odor 2.13 Water Solubility Miscible with benzene, dichloromethane and hexane. 2.14 Stability Stable. 3. Use and Manufacturing 3.1 Description...
In the solid state, it is converted into the tri(iron)bis(imido) species, [(Cp′Fe)3(μ3-NH)2], by addition of H2 (10 bar) through an unusual solid–gas, single-crystal-to-single-crystal transformation. In solution, [(Cp′Fe)3(μ3-NH)2] further reacts with H2 or H+ to ...
Sublime the trichloride under high vacuum, or dry it under a current of HCl gas, followed by fractional distillation, once under HCl and once under argon. It is deliquescent. [Schenk in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 621 1963.] Bismuth tri...