AN IMPROVEMENT IN MACMULLIN'S AUTOMATIC APPARATUS FOR DETERMINING THE MELTING POINTS OF ORGANIC COMPOUNDS

1926 ◽  
Vol 48 (8) ◽  
pp. 2230-2232 ◽  
Author(s):  
Henry F. Palmer ◽  
George H. Wallace
Keyword(s):  
Organic Compounds ◽  
Melting Points ◽  
Automatic Apparatus

Estimation of Melting Points of Organic Compounds-II

2006 ◽  
Vol 95 (12) ◽  
pp. 2562-2618 ◽  
Author(s):  
Akash Jain ◽  
Samuel H. Yalkowsky
Keyword(s):  
Organic Compounds ◽  
Melting Points

A method for estimating the boiling points of organic compounds from their melting points

Chemosphere ◽  
1995 ◽  
Vol 31 (4) ◽  
pp. 3001-3008 ◽  
Author(s):  
Andrea E. Walters ◽  
Paul B. Myrdal ◽  
Samuel H. Yalkowsky
Keyword(s):  
Organic Compounds ◽  
Melting Points ◽  
Boiling Points

Symmetry of van der Waals molecular shape and melting points of organic compounds

2004 ◽  
Vol 28 (8) ◽  
pp. 967 ◽  
Author(s):  
Yuri L. Slovokhotov ◽  
Ivan S. Neretin ◽  
Judith A. K. Howard
Keyword(s):  
Organic Compounds ◽  
Van Der Waals ◽  
Molecular Shape ◽  
Melting Points

Prediction of Melting Points of Organic Compounds Using Extreme Learning Machines

2008 ◽  
Vol 47 (3) ◽  
pp. 920-925 ◽  
Author(s):  
Akshay U. Bhat ◽  
Shamel S. Merchant ◽  
Sunil S. Bhagwat
Keyword(s):  
Organic Compounds ◽  
Extreme Learning Machines ◽  
Melting Points ◽  
Learning Machines

On the applicability of solventless and solid-state reactions to the meteoritic chemistry

2011 ◽  
Vol 11 (1) ◽  
pp. 43-50 ◽  
Author(s):  
Vera M. Kolb
Keyword(s):  
Solid State ◽  
Organic Compounds ◽  
Chemical Reactions ◽  
Solid State Reactions ◽  
Melting Points ◽  
Aqueous Alteration ◽  
Solid Materials ◽  
Intimate Contact ◽  
Chemical Conditions ◽  
Secondary Chemical

AbstractMost chemical reactions on asteroids, from which meteors and meteorites originate, are hypothesized to occur primarily in the solid mixtures. Some secondary chemical reactions may have occurred during the periods of the aqueous alteration of the asteroids. A myriad of organic compounds have been isolated from the meteorites, but the chemical conditions during which they were formed are only partially elucidated. In this paper, we propose that numerous meteoritic organic compounds were formed by the solventless and solid-state reactions that were only recently explored in conjunction with the green chemistry. A typical solventless approach exploits the phenomenon of the mixed melting points. As the solid materials are mixed together, the melting point of the mixture becomes lower than the melting points of its individual components. In some cases, the entire mixture may melt upon mixing. These reactions could then occur in a melted state. In the traditional solid-state reactions, the solids are mixed together, which allows for the intimate contact of the reactants, but the reaction occurs without melting. We have shown various examples of the known solventless and solid-state reactions that are particularly relevant to the meteoritic chemistry. We have also placed them in a prebiotic context and evaluated them for their astrobiological significance.

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