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(RI = 84%) and at m/z = 163 (RI = 73.3%). These fragment ions may be due to the rupture of COOH and propyl radical. The second prominent ion is that observed at m/z = 119 which may be due to C 3 H 6 + loss from fragment ion of m/z = 161 (Scheme
.76 C 2 H 6 00.00 12.02 01.50 C 3 H 8 01.18 21.90 03
Study of thermal properties of intumescent additive
Pentaerythritol phosphate alcohol
Smaller molecular mass compounds CO and CO 2 2 0.71 70 C 4 H 6 O Methacrolein
CeO2-catalyzed ozonation of phenol
The role of cerium citrate as precursor of CeO2
irregularly shaped particles. Precursor II has crystalline nature and stoichiometry [Ce 2 (HCit) 3 ·2H 2 O], HCit = (C 6 O 7 H 6 ) 2− . SEM microscopy analysis evidenced its fibrous crystalline habit. After thermal treatment, the morphologies of precursors
temperature. The faint yellow precipitate of DDNI was filtered, washed with water and ethanol, and dried under vacuum, yielding 2.33 g (78%). Anal. Calcd.(%) for C 4 H 6 N 4 O 6 : C 23.31, H 2.93, N 26.71; found: C 23.22, H 2.75, N 26.59. IR (KBr) ν : 3431
–5 ppm/ 13 C 60–100 ppm with a lesser intensity. Besides, the signals of aromatics appear in the region 1 H 6.5–7.5 ppm/ 13 C 100–140 with even lower intensity. Fig. 8 2D HMQC spectra of samples a Carocc
Materials The following materials were employed in the study reported here. Urea—(NH 2 ) 2 CO (Alkaloid-Skoplje), 35% formaldehyde—CH 2 O (Unis-Goražde), hexamethylenetetramine—HMTA, C 6 H 12 N 4 (Merck-Darmstadt), melamine—M, C 3 H 6 N
. Harrison WTA , Phillips MLF , Nenoff TM . (CN 3 H 6 ) 2 ·Zn(HPO 3 ) 2 : an open-framework zincophosphite built up from polyhedral 12-rings . Dalton Trans 2001 ; 2459 – 61 . 9
of the reduced catalyst. To accelerate the rate of N 2 O decomposition in the presence of oxygen, use of reducing agents (such as CO [ 17 , 38 ], CH 4 [ 39 – 42 ], C 2 H 4 [ 19 , 39 , 43 ], C 3 H 6 [ 39 , 44 , 45 ], NH 3 [ 46 – 48
: H 4 PMo 11 VO 40 ·12H 2 O. Calculated (theoretical): Mo, 52.83, V, 2.55. Found: Mo, 52.85, V 3.4. H 6 PMo 11 O 40 BiO 40 ·12H 2 O. Calculated (theoretical): Mo, 46.96, Bi, 9.30. Found: Mo, 47.45, Bi, 9.36. H 5 PMo 11 V 0.5 Bi 0
