Australia's Science Forum

Thanks Matt, but my old townson & mercer model looks nothing like this new one.
Regards
Jenny Walter

We have an old Townson & Mercer cloud chamber that teacher would like to dust off and use for demo, problem is we no longer have instruction manual, would anybody out there have an instruction manual that they could photocopy and fax to me. Appreciate any offers, Thanks
Jenny Walter

The trick to filtering barium sulphate is to use a glass filter crucibe (sinter) No.4, this is specially designed to filter the ultra fine BaSO4. Any vacuum will do, but it is a much quicker job if you have access to an electric pump.
Regards
Jenny Walter

Oops! my email is walter.jennifer.a@edumail.vic.gov.au
Regards
Jenny Walter

This might be a bit too late, but it may be of help to some of you out there. I have a Chemwatch M.S.D.S for sports PE signal caps, it took forever to finally be listed on Chemwatch. I will email it to anybody who requests it, unfortunately it's too big to send here.
Regards
Jenny Walter

The quickest way to make iodine solution is to grind iodine and potassium iodide together in a mortar and pestle together with a little water. You will find that the iodine will dissolve up really fast when it's with such a concentrated form of potassium iodide. Now all you do is decant carefully in...

Sorry, I should have said that FE(SCN) is a 50/50 mix of 0.1M Fe(NO3)3 + 0.1M KSCN (20ml of each) then made up to 1 litre with water.
Jenny

Hello all,
I have a store of waste Fe(SCN) and am wondering if there is a way of treating it in-house or is chemical disposal companies the only alternative. Look forward to hearing any replies on this one!
Regards
Jenny Walter

Hello All, Not sure if it was on this forum or not, but I was earlier searching Risk assessments for preparation of our solutions etc., and I opened an attachment showing an example of a risk assessment, it appeared to be very good, however I can not locate it again. Does anybody know of anything li...

Hi There,
I usually get frozen bait fish, cheap and readily available.
Jenny

Yes

Thanks Rob, will use this method of disposal for the short term, sounds ok for the small amount i have to dispose of.
Regards
Jenny

Hello,
Does anyone know how to treat photographic chemical waste, i have say 5 litres that i would like to treat/neutralise, so as i can safely flush.
Regards
Jenny