Metrological principles of thermophysical measurements (new book)

Thermodynamic properties of dicarbonyl rhodium o-semiquinonate complex whose crystals display photomechanical properties

“…The iron-rhodium thermometer used was calibrated by IST-90. The reliability of the calorimeter operation was tested by measuring the heat capacities of specialpurity copper (OSCh 11-4), standard synthetic corundum [5] and K-1 benzoic acid [5] prepared at metrological institutions of the State Standard Committee of Russian Federation. It was established that the apparatus and the measurement procedure allowed us to obtain the C p;m values of the substances in a condensed state with an uncertainty of not more than 2% from T = (6 to 10) K, 0.5% between T = (10 and 40) K, and within 0.2% in the range T = (40 to 355) K.…”

Thermodynamic properties of N,N-dimethylformamide and N,N-dimethylacetamide

“…a BKT-3 adiabatic vacuum calorimeter, was employed [7]. The reliability of the calorimeter operation was tested by measuring the standard molar heat capacity C p;m of standard K À 1 benzoic acid [8] and corundum [8] prepared at metrological institutions of the State Standard Committee of the Russian Federation. The (iron + rhodium) resistance thermometer used was calibrated on the basis of ITS-90.…”

Thermodynamic properties of tetraphenylphosphonium perchlorate and tetraphenylarsonium perchlorate fromT→ 0 toT= 340 K

“…(5) The calorimeter design and the operational procedure were substantially similar to those of a TAU-1 calorimeter described earlier. (6,7) The reliability of the calorimeter operation was tested by measuring the standard molar heat capacity C o p,m of standard K − 1 benzoic acid (8) and corundum (8) prepared at metrological institutions of the State Standard Committee of the Russian Federation. The (iron+rhodium) thermometer used was calibrated on the basis of ITS-90.…”