SDS of cas: 101-84-8. In 2020.0 J CHROMATOGR A published article about STATIONARY PHASES; SEPARATION CHARACTERISTICS; ENERGY RELATIONSHIPS; SYSTEM CONSTANTS; LIQUID-PHASES; CLASSIFICATION; DESCRIPTORS in [Poole, Colin F.] Wayne State Univ, Dept Chem, Rm 185 Chem, Detroit, MI 48202 USA in 2020.0, Cited 36.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8.
To facilitate faster selectivity evaluation of wall-coated, open-tubular columns using the solvation parameter model a reduced set of calibration compounds is identified and validated for the temperature ranges 60-140 degrees C and 160-260 degrees C. The Kennard-Stone uniform mapping algorithm is used to identify the calibration compounds from a larger database of compounds with known retention properties previously adopted for column selectivity evaluation. Thirty-five compounds for each temperature range are required to minimize the standard deviation of the system constants used for selectivity evaluation and to minimize differences between system constants determined by conventional calibration and the reduced calibration compounds. The models for the reduced calibration compounds on ten siloxane-based and poly(ethylene glycol) stationary phases have a coefficient of determination of 0.984 to 0.998 and standard error of the estimate of 0.012 to 0.30. The predictive capability of models is evaluated for the reduced sets of calibration compounds using external test sets with ranking of the calibration models by changes in the average error, average absolute error and root mean square error of prediction for the test sets. For the selected thirty-five reduced calibration compounds the range for the average absolute error was 0.014 to 0.033 and 0.016 to 0.040 for the root mean square error of prediction for the independent test sets. (c) 2020 Elsevier B.V. All rights reserved.
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