Search Results

You are looking at 61 - 70 of 113 items for :

  • Chemistry and Chemical Engineering x
  • All content x
Clear All
Journal of Thermal Analysis and Calorimetry
Authors: Mayté Paredes Zaldivar, Norma Galego Fernández, Cristina Gastón Peña, Manuel Rapado Paneque, and Sonia Altanés Valentín

in the degree of polymer crystallinity [ 18 , 19 , 22 , 23 ]. The PHB glass transition temperature ( T g ) is −2 °C [ 10 ] and the reported PAA T g is about 105 °C [ 13 ]. It should therefore be expected that the T g of the new

Restricted access
Restricted access
Journal of Thermal Analysis and Calorimetry
Authors: María Villanueva, Jorge Proupín, José A. Rodríguez-Añón, L. Fraga-Grueiro, Josefa Salgado, and Nieves Barros

]. Determination of volatile compounds in muffle furnace at 950 °C [ 13 – 15 ] The presence of volatile compounds can change the fuel behaviour in boilers generating, performance variations and serious problems in the operation. Bomb and muffle furnace ashes at

Restricted access

) 5 ] 2 ·6H 2 O: Ni, 13.86%; La, 21.87%; C, 11.35%; H, 2.54% and H 2 O, 22.69%; found Ni, 14.00%; La, 20.54%; C, 11.76%; H, 2.62% and H 2 O, 22.23%. Analysis as calculated for Cu 3 [La(C 2 O 4 ) 3 (H 2 O)] 2 ·H 2 O: Cu, 18.15%; La, 26.44%; C, 13

Restricted access
Journal of Thermal Analysis and Calorimetry
Authors: Jozef Rychlý, Agnes Lattuati-Derieux, Lyda Matisová-Rychlá, Katarína Csomorová, Ivica Janigová, and Bertrand Lavédrine

k /s −1 k /s −1 k /s −1 Note 50 °C 130 °C 200 °C

Restricted access

− ligands are parallel with each other, and are stacked such that the distances between planes are close. Set 6 for an example, the C13–N13–N14–N15 and C6–N1–N2–N3 tetrazole rings are involved in off-set face-to-face π–π interactions with centroid

Restricted access

. Yanagisawa , K , Ovenstone , J . Crystallization of anatase from amorphous titania using the hydrothermal technique: effects of starting material and temperature . J Phys Chem B . 1999 ; 103 : 7781 – 7787 . 10.1021/jp990521c

Restricted access

agreement with that of rhombohedral BiFeO 3 , with space group R3c (161), lattice parameters a = 5.588 Å, b = 5.588 Å, c = 13.867 Å, α = β = 90 o , γ = 120 o , density = 8.311 g cm −3 , from PDF card 71-2494. Intensity of diffraction peaks of Bi

Restricted access

ceramic pastes ranging in the tempering: A pure clay, B 2/3 clay + 1/3 temper, C 1/3 clay + 2/3 temper. Mass loss: m 1 at dehydration and m 2 at dehydroxylation Fig. 3

Restricted access

11 0.96 C 1.42 C 1.5 C 12 0.96 C 1.50 C 1.58 C

Restricted access