Online weighing

The various methods for the online monitoring of coal composition include the TG technique, which automatically performs a multistep analytical sequence by sequentially drying, burning, and weighing the residue. Figure 3.12 shows the analysis results from an automated TG system. The elapsed time of the proximate analysis program and cooling of the tube back to load temperature totals 30 minutes. 

Weigh the meso-stilbene dibromide and calculate the percent yield. Determine the evacuated melting point, and compare your result with the literature value. Obtain IR and NMR spectra and compare them with those reported in the literature The Aldrich Library of IR Spectra, The Aldrich Library of NMR Spectra, and/or the corresponding spectral data available online (e.g., SciFinder Scholar)). 

Therefore, the reduction reaction extent can be easily controlled by using an online trap containing a basic solution. After each step, the monohths are carefully weighed to control the reproducibility and the variabihty of the catalyst preparation. 

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