Search found 6 matches
- 14 Nov 2006, 20:55
- Forum: Sourcing Materials & Eq Repairs
- Topic: replacement batteries for Data loggers
- Replies: 5
- Views: 2959
we used the data loggers you mentioned and they lasted quite a few years with out any problems we have had two batteries replaced and serrat would have loaned us a replacement for the entire time that the unit was away, we did not take advantage of that as we did not have plans to use it during that...
- 11 Nov 2006, 22:33
- Forum: Safety with Chemicals
- Topic: MSDS sheets
- Replies: 19
- Views: 8508
- 07 Sep 2006, 14:59
- Forum: Chemistry and Labware - General
- Topic: Conservation of matter- where has it gone??
- Replies: 5
- Views: 3969
conservation of matter where has it gone
talked to one of our chemistry teachers and she said that you have done REALLY well not to loss any more matter then that. And it is as you suspected the loss is through the porosity of balloon and the fitting at the neck of the flask is not 100 % tight. congratulation!!! barb
- 17 Aug 2006, 09:39
- Forum: Sourcing Materials & Eq Repairs
- Topic: repairing spirit thermometers
- Replies: 24
- Views: 10266
spirit thermometers
WELL :D I am inpressed. I have tried various methods to fix these things with little or no result. Tried dry ice with metho added once. Just did the oil heating method and recovered 12 out of 14. the other two broke one from the heat and one from the cold. (I thought that protective eye wear may be...
- 14 Jun 2006, 12:04
- Forum: Chemistry and Labware - General
- Topic: Cleaning Porcelain crucibles
- Replies: 15
- Views: 8111
cleaning cruicible
you guys are a lot braver then i am. i just wash them out and scrub them the best that i can and then keep them separate to be used for magnesium only. not the best solution either but one that works for us. Barb
- 14 Jun 2006, 12:00
- Forum: Sourcing Materials & Eq Repairs
- Topic: Microscope service
- Replies: 7
- Views: 3344
microscope service
we had some serviced by John from Scientrific. he visited our area in New England and did several schools which reduced the travel costs. everyone seemed pleased with his work. we also gave him some old microscopes that he could use for parts. Barb