Standards Development for Differential Scanning Calorimetry

Benzoic acid derivatives: Evaluation of thermochemical properties with complementary experimental and computational methods

“…The thermal behavior of 4-methylbenzoic acid, 2-methoxy-and 3-methoxylbenzoic acid including melting temperature and enthalpies of fusion was studied with a Metller Toledo Table 3 and compared with the data available from the literature [12][13][14][15][16][17][18][19][20][21][22][23]. Uncertainties in the temperature adjustment of fusion enthalpies from T fus to the reference temperature are estimates and amount to 30 % of the total adjustment [24].…”

Remarks on the calibration of differential scanning calorimeters

“…The uncertainties of the heat of fusion stated are based on measurements of the Physikalisch-Technische Bundesanstalt Braunschweig (FRG) [7,8]. and on an evaluation of data found in the literature [9,10]. Two substances are also suitable for temperature calibration as they define fixed points of ITS 90.…”

Nouvelles substances d'intercomparaison proposees pour l'etalonnage en temperature et en energie d'analyseurs thermiques (ou calorimetriques) differentiels

“…La divergence darts les valeurs de la litt6rature en ce qui eoncerne la temp6rature de fusion est, h notre avis, li6e h plusieurs facteurs: 1 ~ les auteurs la d6terminent soit au d6but du changement de phase [17,18], soit au sommet du pie du thermogramme la caract6risant [13].…”