We use aluminum shot, 1.2 mm teardrop. This works better than the sand we used to use.
We are a community college, and this is a low-cost choice. From Transmet, 50 lbs for $133.
President, Classified Senate
Instructional Associate, Chemistry
Orange Coast College
2701 Fairview Rd
Costa Mesa CA 92626
I picked up a little packet of metal beads at the Denver ACS meeting in March that provide a good substitute for oil or water. They are called Lab Armor Beads ™, and produced by a company of the same name. They provide either heat or cooling and eliminate the problems of bacteria, mold, algae, and flammability. Plus, they provide energy efficiency..
Their web site is www.labarmor.com, and their phone number is 1-888-227-1410.
It sounded like a great idea to me.
Sonja G. Ringen
Occupational Health and Safety Specialist
National Institute of Standards and Technology
325 Broadway, MC 173.02
Boulder, CO 80305-3337
I need to offer some options to replace oil (silicone or mineral) with a different material for heating baths. I’m also looking at heating block options and have a number of suppliers to review – cost may be an issue here.
Ideas? The Google has failed me this morning.
Debbie M. Decker, CCHO, ACS Fellow
Department of Chemistry
University of California, Davis
1 Shields Ave.
Davis, CA 95616
Birkett's hypothesis: "Any chemical reaction
that proceeds smoothly under normal conditions,
can proceed violently in the presence of an idiot."
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