Answers are grounded in this paper and cite their sources.
This report describes the procedure and apparatus used in the purification and sealing "in vacuum" of 19 National Bureau of Standards Standard Samples of h ydrocarbons, including 9 paraffins, 3 cycloparaffins, and 7 a lkylbenzenes.1 Information concerning the certification of 2,2,4•trimethylpentane, methylcyclohexane, and toluene for refractive index (by tbe Bureau's Optical Instruments Section) and denSity (by the Capacity and Density Section) , and of 2,2,4•tri methylpentane for calorimetric heat of combustion (by the H eat Measurements Section) is given in the certificates supplied with those Standard Samples .
No takes yet. Share an insight, caveat, or question.
Mair et al. (1946) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: