Chromatography Forum

Most dangerous: A few bottles of Propane sultone in a drawer under a fume hood in a student lab.
Or perhaps a shelf in universitys chem storage with different uranium compounds (all from the 60-ties)
Weird: A few large boxes containing thousands of sigle use toothbrushes with the University logo on??

A few large boxes containing thousands of sigle use toothbrushes with the University logo on??

What is a single use toothbrush

My calculator, I use this every day.


The on-off switch broke about 2 years ago, and I had this toggle switch lying around, and a file folder plastic tab had a nice tint....

Someone beat me to submitting this calculator to the "There, I Fixed It" website....

http://thereifixedit.com/2010/03/16/epi ... /#comments

I would be there are many a chromatographer that could submit some 'kludgy' fix to one of their instruments to that site, but only a very few of us might appreciate the efforts put into the makeshift-fix...

OK, I didn’t post the photo to that site (had never heard of it). Yes, I already had the switch lying around so I didn’t need to buy it. The color window is from a file folder. I did buy a new calculator at Walgreens for 99 cents but didn’t like how the buttons felt, this one has a definite click to it. The calculator belonged to my ex-wife, I kept it, it’s about 1980 vintage from Radio Shack and I believe it cost about $5. I took it in to work as the batteries were two AA, and the one I had before that took a hard-to-find “Nâ€