p-Dimethylaminocinnamaldehyde (Forensic Chemistry) -- Pioneer Forensics, LLC Shopping Cart -- p-Dimethylaminocinnamaldehyde

<h1>p-Dimethylaminocinnamaldehyde -- Pioneer Forensics, LLC Shopping Cart</h1> $24.95 -- 1gm - PDMAC Thermal Paper Processing Reagent <img src="https://www.nexternal.com/pioneer/images/PDM1.jpg" align="right" alt="p-Dimethylaminocinnamaldehyde" name="p-Dimethylaminocinnamaldehyde" border="0" hspace="10" /> Preferred method for processing thermal paper and items sensitive to heat.  May be used on any porous item needing latent development.  May be especially useful on colorful backgrounds since there is high fluorescence when viewed with ALS.   Originally believe to react with the urea since it is a urea stain, may also react with primary amines and their salts.  Best use is to compress questioned item between two saturated (Dried) pages to minimize over application and utilize the high fluorescence capability.   **PDMAC MUST be kept frozen until mixed into a working solution.   Reagent for detection of indole derivatives, particularly the assay of tryptophanase and apotryptophanase. Used for the colorimetric determination of cysteine and cystine, but does not react with other amino acids except cysteamine (reacted in methanol at 60°C for 2 hours in the presence of sulphuric acid as a catalyst; absorbance measured at 587 nm). 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