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Subject: Picric acid danger

Picric acid danger

From: Doug Nishimura <dwnpph>
Date: Tuesday, April 23, 1991

BTW in digging through old postings, I noticed that you mentioned using
picric acid for testing for collagen.  I hope that people are aware of
the explosiveness of dry picric acid.  We had a big problem in Canada
with schools letting the picric acid dry out (forgotten for years on a
shelf.) For some reason there were an incredible number of school labs
blowing up during one year and that led to the "recalling" of all picric
acid in schools for disposal.

                  Conservation DistList Instance 4:56
                  Distributed: Sunday, April 28, 1991
                        Message Id: cdl-4-56-008
Received on Tuesday, 23 April, 1991

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