Ammonium Carbonate TS 2

Keyword(s):  
2002 ◽  
Vol 66 (2) ◽  
pp. 347 ◽  
Author(s):  
Zhi Wang ◽  
Jianhang Lu ◽  
Laosheng Wu ◽  
Thomas Harter ◽  
William A. Jury

1934 ◽  
Vol 10 (6) ◽  
pp. 771-773 ◽  
Author(s):  
C. F. H. Allen ◽  
D. M. Young

A new and convenient method for preparing 2,5-dimethylpyrrole, by the interaction of acetonylacetone and ammonium carbonate, is described. It may be identified by the formation of three solid derivatives: (a) the azo compound; (b) the mono-2,4-dinitrophenylhydrazone of acetonylacetone; and (c) its condensation product with acetone.


1978 ◽  
Vol 110 (11) ◽  
pp. 1133-1139 ◽  
Author(s):  
M. T. AliNiazee

AbstractAttractant traps, such as Pherocon ICPY®-MAGO trap and Pherocon®-AM Standard trap, were effective in monitoring emergence of the western cherry fruit fly, Rhagoletis indifferens Curran. Among the aerial traps tested, ICPY-MAGO, Pherocon-AM Standard, and Saturn yellow colored rectangles and spheres were equally effective. The ammonium carbonate traps were significantly inferior. A management program that utilized aerial traps as monitoring devices reduced the amount of spraying from 20 to 100%, depending on the fly population in the orchard, and resulted in a substantial saving of spray costs.


2021 ◽  
Author(s):  
Fatma Unal

Abstract Terbium oxide (Tb2O3) particles (NPs) were synthesized by precipitation method using ammonium carbonate as precipitation agent. Effects of precursor molarity (0.1, 0.15 and 0.2 M) on photoluminescence (PL) behaviour of the NPs were investigated. The presence of the Tb2O3 phase was confirmed by X-Ray Diffraction (XRD) and Fourier-transform infrared spectroscopy (FT-IR) analyses. Morphological investigations of the produced powders were made by Field Emission Gun-Scanning Electron Microscopy (FEG-SEM). It showed that the morphology of Tb2O3 particles transformed from the nanograin chain to bundles morphology of rod-like as the amount of precursor molarity increased. Emission spectrum were investigated by Photoluminescence (PL) Spectroscopy. All the Tb2O3 particles exhibited the strongest peak at 493 nm ascribed to 5D4-7F6 (magnetic dipole (MD), C2) transition. The increase in the number of C2 sites released from the MD transition with the increase of the precursor molarity caused a negative increase in the b* (yellowness/blueness of the emission) value in the CIE diagram, indicating that the colour shifted to the blue region. The Tb2O3 particles produced by the precipitation method exhibited novel strong cyan colour and the PL emission intensity increased with increasing molarity.


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