Australia's Science Forum

:D I work in NSW private school, we dont work holidays, Im paid for the 42 weeks I work but we have the option of being paid for the holidays by dividing our 42 weeks of pay by 52, I take this option, I get paid less per week but get paid through the holidays! which I like :thumbup: so looking forwa...

I too did not know Staff Tea room was members only, and I usually just look at the site and only login if I want to reply or post, so will be logging in everytime from now on! MariaC

Hi Lita, after doing the stocktake there last year you dont have anything in excess unless a certain Chem teacher is trying to get you to order lots of something noxious hope your having fun miss nearly everyone there! MariaC

Thanks I think Ive figured it out cos it cant just disappear air pockets are forming in the powder as I add the water, when I stir the buddles come up therefore the volume decreases. I just love logic MariaC

:-( Hi guys, the yr 11 bio IB class are working on enzymes and Im making up percentage solutions ie 6%, 6g made up to a hundred etc trouble is with some enzymes eg amylase, at higher concentrations the powder clumps at the bottom, I add the water to the required mark, eg 50ml and then use a stirring...

:banghead: :banghead: So not only do I suffer days of Chemwatch go slow but the continual frustration of not finding what Im looking for :redcard: why cant I find iron (II) nitrate when I know it exists :mad: why doesnt the search function work better who made this s@%*& :mad: A task to reprint ...

:crazy: I agree I started at a new school recently and both prep rooms had food prep going on in them! coffee machine, dishes going in with lab glassware unbelievable :yuck: Ive since labeled one sink and the dishwasher labware only and made one prep room for food, the other for chemical clean up :c...

:D Hi theres a fairly good poster of chemical burns to the human eye on our site, you have to go to staff tearoom forum, then "I didnt think we had too!" post if you scroll down you will find lots of safety posters then one called human eye or similiar, I used it in my last school to try t...

If you dont live in the Sydney area I found the delivery of distilled water cost twice the price of the water itself! Eventually found our local IGA store stocked it in 2L bottles and I just ring them and order a box or two whenever I needed it!
Cheers MariaC

Hi if its a double sided fume cupboard, ie access from the prep room and the class room the keyed fume cupboard lock/ switch near the light switches etc in the classroom has to be turned on, does that answer your question? cheers MariaC

Hi guys, I emailed our IT no response so far but its up and running again today full speed ahead, dont know what the problem was but its gone and Im happy again, why does this have to happen half way through updating the MSDS for the chemstore!

MariaC

Hi is anyone else finding Chemwatch is on the go slow today, whenever I search it just searches.............and searches.................and searches and never comes up with an answer? MariaC

Hi Im pretty sure if your a DET school theres no login or password but independant schools need one, MariaC

yep not in a DET school now just updated my profile, either way I still think its time for an update, 2002 is a while ago now! MariaC

:D Hi guys does anyone out there know when the CSIS package was last updated, Ive changed schools and we only have a hard copy here, is CSIS available online, therefore one would assume with updates all current and correct?? Just noticed a number of chemicals that have changed packaging classificati...

Hi I have the same question, ferrothiocyanate is not in the CSIS appendix I have approx 1L so can anyone help tell me the correct method of disposal hoping Chemtalk can guide me!

cheers MariaC

Sorry but what on earth do they want with 10L of iodine solution, are you disinfecting a hospital???

MariaC

Thanks Lisa that was the one I was looking for, will see how that goes down MariaC

:yuck: That really slack Ian, did they tell you they were going to do the disection beforehand? Mine are well trained, they did a bull eye disection last period Friday, I leave lots of newspaper to cover the benches, instructions to the cleaners to empty the bins and most importantly a bucket, chux ...

Hi Im looking for a picture of chemical damage to an eye to try to shock some of the darlings into wearing their safety glasses :thumbup: Im sure I saw a picture on this site but after 20mins of searching cant seem to find it :-( Can anyone give me some directions on where to find such a picture ta ...