Characteristic physical data

We shall first of all consider the main characteristic physical data of simple gases then solubility, diffusivity and permeability will be separately discussed finally some useful inter-conversion ratios will be given. 

Main characteristic physical data of simple gases in connection with solubility and diffusive transport... 

Prepared catalyst precursors were analyzed and characterized by conventional physical methods. Their nominal chemical composition before shaping is presented in Table 1. Table 2 is showing some characteristic physical data of catalyst precursors in the powder as well as in the pellet form. It has been foimd that an important characteristic is the total crystallinity and the ratio between a-Fe203 (hematite d = 1,84 A) and y-Fe203 (maghemite d = 2,95 A), determined from the XRD-pattem. 

Observable Characteristics - Physical State (as normally shipped) Liquid Color Clear Odor. None. Physical and Chemical Properties - Physical State at 15 X and 1 atm. Liquid Molecular Weight 71 (solute only) Boiling Point at 1 atm. Data not available (Vapor Pressure 0.033 atm at 125 °C Freezing Point 183, 84, 357 Critical Temperature Not pertinent Critical Pressure Not pertinent Specific Gravity 1.05 at 25 °C Vapor (Gas) Density Not pertinent Ratio of Specific Heats of Vapor (Gas) Not pertinent Lateru Heat of Vaporization Not pertinent Heat of Combustion Not pertinent Heat of Decomposition Not pertinent. 

Observable Characteristics - Physical State (as normally shipped) Solid Color White Odor No data. 

Chemical Designations - Synonyms 0-0-Dimethyl S-[(4-Oxo-l,2,3-Benzotriazine-3(4H)-yl)Methyl] Phosphorodithioate, Gurthion Insecticide, Gusathion Insecticide Chemical Formula CiqHijNjOjPSj. Observable Characteristics — Physical State (as normally shipped) Solid Color Brown Odor No data. 

Chemical Designations - Synonyms 5-Nonanone Chemical Formula CH3(CHj)3CO(CH2)3CH3. Observable Characteristics - Physical State (as normally shipped) Liquid Color White to light yellow Odor Data not available. 

Chemical Designations - Synonyms-. 2,6-Dinitro-N,N-dipropyl-4-trifluoromethylaniline 2,6-Dinitro-N,N-dipropyl-alpha, alpha-trifluoro-p-toluidine N,N-Dipropyl-2,6-dinitro-4-trifluoro-methylamline Treflan alpha, alpha-Trifluoro-2,6-diiiitro-N,N-dipropyl-p-toluidine Chendad Formula-. Ci3H, 3N304 Observable Characteristics - Physical State (as normally shipped)-. Solid Color. Yellow-orange Odor. Data not available. 

The following discussion of hydroxamic acids includes saturated systems, e.g., 2, compounds such as 3, derived from aromatic systems, 7V-hydroxyimides such as 7V-hydroxyglutarimide (78), and certain of their derivatives including thiohydroxamic acids. Naturally occurring cyclic hydroxamic acids are discussed to show the range of structural types that has been found, hut macrocyclic polyhydroxamic acids are mentioned very briefly, because several comprehensive reviews of these compounds are already available. The main purpose of this review is to summarize the methods available for the synthesis of cyclic hydroxamic acids, to outline their characteristic reactions, and to present some useful physical data. Their synthesis and some biological properties have previously been reviewed by Coutts. ... 

Some Physical Data and Spectral Characteristics of Peshawarine (43) and Peshawarinediol (44)... 

In Table IV some physical data and spectral characteristics of 6,7-secoberbines are listed. Only methyl corydalate (55) is optically active. Formula 55 presents the spatial structure of this compound, deduced by Nonaka et al. (65) and confirmed by Cushman et al. by both correlation with (+)-mesotetrahydrocorysamine (72) (<5S) and total synthesis (69). It is difficult to find common characteristic features in both the mass and H-NMR spectra of these alkaloids because they differ significantly from each other in their structures. On one hand, corydalic acid methyl ester (55) incorporates a saturated nitrogen heterocycle, while the three aromatic bases (56-58) differ in the character of the side chain nitrogen. For example, in mass fragmentation, ions of the following structures may be ascribed to the most intensive bands in the spectrum of 55 ... 

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