Search found 7 matches
- 02 Jun 2021, 10:16
- Forum: Chemistry and Labware - General
- Topic: Cleaning cuvettes
- Replies: 4
- Views: 3706
Re: Cleaning cuvettes
I used straight detergent, a couple of times then rinsed well and wiped our with a piece of microfibre cloth. Cleaned well, corners were tricky. I'll try napisan next time, just didn't have any on hand, will try that next time!
- 30 Apr 2021, 14:40
- Forum: Chemistry and Labware - General
- Topic: Cleaning cuvettes
- Replies: 4
- Views: 3706
Cleaning cuvettes
A teacher has made an oil and water mixture and filtered it into a glass cuvette. I can't get it clean! I'd have thought that hot soapy water would work, but it hasn't done a thing and I'm wary of trying something else without advice in case I scratch it. I've never had to clean a cuvette - in my pr...
- 29 Jan 2021, 14:04
- Forum: Sourcing Materials & Eq Repairs
- Topic: Cleaning Electrodes
- Replies: 13
- Views: 6997
- 28 Jan 2021, 11:49
- Forum: Chemistry and Labware - General
- Topic: How can I clean volumetric flasks?
- Replies: 15
- Views: 7822
- 28 Jan 2021, 11:47
- Forum: Sourcing Materials & Eq Repairs
- Topic: Cleaning Electrodes
- Replies: 13
- Views: 6997
Clean Pb from Cu electrodes
I've got some Cu electrodes that were left in a beaker of water with Pb electrodes over the break. I've cleaned them up pretty well with carborundum paper but they could really do with more, especially around the bolts. I know I read on here about an easier way to do it but I can't find that again. ...
- 30 May 2017, 12:50
- Forum: Chemistry and Labware - General
- Topic: How can I clean volumetric flasks?
- Replies: 15
- Views: 7822
How can I clean volumetric flasks?
Hi , I have 22 x 100ml and 250ml volumetric flasks that were used to see how yeast and sugar react to blow up a balloon. They were poorly rinsed by the students and now I can't get some residual yeast muck out of them :-( I have used detergent and hot water, shaken, soaked then shaken then rinsed - ...
- 09 Feb 2017, 09:53
- Forum: Safety with Chemicals
- Topic: Shower testing frequency
- Replies: 7
- Views: 3630
Shower testing frequency
Hi,
Can someone please tell me how frequently I'm supposed to test the safety shower and eye wash?
I've been doing it weekly, as I was asked to, but it does seem to come around very quickly.
I feel all I do is test the shower and mop up!
Thanks
Can someone please tell me how frequently I'm supposed to test the safety shower and eye wash?
I've been doing it weekly, as I was asked to, but it does seem to come around very quickly.
I feel all I do is test the shower and mop up!
Thanks