before venturing into picric acid i would have a look here !! even opening the bottle can cause an explosion !!!!!!

http://www.google.co.uk/search?sourc...acid+explosion

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WHEN YOU LEAVE THE RIVER, TAKE NOTHING, AND LEAVE ONLY FOOTPRINT'S!!!

THA CAN TELL A YORKSHIREMAN ,BUT THA CAN'T TELL HIM MUCH !!