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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
]. 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
Some heterobimetallic oxalate coordination precursors of lanthanum(III) of the type, M3[La(C2O4)3(H2O) m ]2·nH2O (M = Mn(II), Co(II), Ni(II) and Cu(II))
An investigation on the solid-state pyrolytic decomposition
) 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
− 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
. 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
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
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
