Search found 25 matches
- 03 Aug 2006, 13:27
- Forum: Sourcing Materials & Eq Repairs
- Topic: Ammeters/Voltmeters
- Replies: 8
- Views: 4018
Ammeters have protection diodes that can burn out when they get too much current. Replacing these usually fixes most of them. Ammeters also have shunts to give different ranges of amps. Voltmeters have resistors for the different voltage ranges. If you know how to use a multimeter you can check and ...
- 03 Aug 2006, 13:17
- Forum: Chemistry and Labware - General
- Topic: distilled water
- Replies: 52
- Views: 21337
- 02 Aug 2006, 14:37
- Forum: Sourcing Materials & Eq Repairs
- Topic: Water deioniser
- Replies: 4
- Views: 2352
Deionising water is done by tiny deionising beads. It removes the ions. The best type let the water drip though the beads giving them time to remove the ions. The filter may also have carbon to remove other non-ionic impurities. A Brita water filter works on this priniciple. Reverse osmosis is a fil...
- 02 Aug 2006, 10:12
- Forum: Sourcing Materials & Eq Repairs
- Topic: Vaquapura Water Purifier
- Replies: 4
- Views: 2362
I have the same dilemma too. I am about to run out of cartridges so have considered trying the following solutions: 1) Open an old cartridge. Replace the filling with a stocking full with deionising beads and perhaps activated charcoal. I call it the do it yourself option. 2)My other idea is to adap...
- 19 Jul 2006, 12:46
- Forum: Sourcing Materials & Eq Repairs
- Topic: Glassware detergent - need a recommendation
- Replies: 8
- Views: 4308
Glassware detergent - need a recommendation
Hi forum members, I use a detergent called Sonex to wash my laboratory glassware. What do you use? I am looking for something that is easily available and works well, price is no problem. The Sonex story: It was easy to get in NSW through a company called Q-stores(now called something else). They ha...