We often use dispenser bottles for our teaching labs when nasty chemicals are needed. There are all different kinds available but for conc acids you would need all glass or one rated for acid use. These also cut down on cost since the students will only dispense the required amount and no extra. Kathleen Schmidt Nebril Dominican University River Forest, Il 60305 -----Original Message----- From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**list.uvm.edu] On Behalf Of Christopher Suznovich Sent: Thursday, August 27, 2009 5:27 AM To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU Subject: Re: [DCHAS-L] Chemical Lab Safety News In the case of the larger size bottles, one can pour the acid (or any reagent) into a suitable size beaker then into the cylinder for measuring. Chris Suznovich On 8/26/09 1:54 PM, "List Moderator"
wrote: > From: info**At_Symbol_Here**ilpi.com > Subject: Re: [DCHAS-L] Chemical Lab Safety News > Date: August 26, 2009 9:02:11 AM EDT >> Lab accident sends UBCO student to hospital with acid burns > >> > This sounds like an accident that occurred when I was an > undergraduate. In one of the other undergraduate chemistry classes, > a student needed a few mL of concentrated nitric acid. He put his 10 > mL graduated cylinder on the bench and then attempted to pour the > concentrated acid into it from a 4 L bottle. Of course, the bottle > didn't balance on the edge of the cylinder very well, and, when it > inevitably slipped, he poured the concentrated acid onto his lower > face and neck. No permanent injury, but he did get some burns. > > Obviously, in situations like this one needs to provide smaller > reagent bottles or pump dispensers... > > Rob Toreki
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