Australia's Science Forum

Its an extremely good case for only turning the gas on when you need it. And have it off at all other times. Happy Lab Teching

Hi Rob, I used iodine crystals and they dissolved fine, though it was running out so we ordered some more this type didn't dissolve very well , it was tiny beads (not crystals) so for the remainder I finished off the iodine crystals. Do you have any pointers Rob as to why it didn't dissolve in the e...

Heating method is the best =D> . Autoclave method while getting the mixture sterile is not air tight due to expansion and lid left loose, so what ever was supposed to glue my Agar boiled out and I was left with non setting Agar :cry2: . Heating method even though not sterile, agar plates do not deve...

When connecting the CRO (cathode ray oscilloscope) the connecter that runs from the CRO is coaxial so the Earth wire runs in the middle (usually black) and the positve wire runs on the outside (red) and thats why is has two connections on the other end. One which usually is a probe that gets clipped...

Anyone have any idea of how long it takes to turn cloudy soulution clear when more co2 is bubbled through, obviuosly it dosnt work by breathing in to it more.

I clean the fumehoods out inside the classrooms as they get very dirty

Rob quoted above "But due to this process being quite slow, I intend to make up Iodine Solutions via direct dissolution within the alcoholic environment. To make minute concentrations by all means this works well otherwise Hybridisation will cause nothing to dissolve. Don't get me wrong, the a...

we have 2 labtechs plus me (trainee cert3) = 2.5

have three months left of my 1yr traineeship.

Does anyone have any excess stopper bits and pices for burettes ???

Store them in a cupboard not draw so they dont roll around when you open it We bought small plastic containers that hold about 30 each

Going to clean mine to cause they are covered with sulphur n its not to professional to just leave it their though i see the point.