Australia's Science Forum

hi I've had a request for dry ice does anyone know if and where you can get it from?
Thanks.

Hi, from a reasonably new labbie could I have some advice as to what solution to put in a voltameter so that it works reasonably quickly yet doesn't ruin the electrodes at the same time? We have found that after adding just a few drops of 2M H2 SO4 it is so slow - am wondering if you can use straigh...

Thankyou all

Oops I mean Barium nitrate...time I went home!!

Thanks, sorry I got the subject wrong! Actually after acidified barium sulfate so I've re-posted with the correct subject...been a long day!

Hi, could anyone provide me with a recipe for acidified Barium Nitrate? For measuring sulphate in fertilizer.
Thanks.

Hi, could anyone provide me with a recipe for acidified Barium Nitrate? For measuring sulphate in fertiliser.
Thanks.

Thanks so much.

Help!
Can any one tell me how to acidify potassium permanganate please?
Thanks.

Does anyone know if you can still get the older style metal spring loaded collision trolley cars with the lever mechanism.
Thanks.

thanks

I'm new to using riskassess and into my second year of being a labbie. I'm just wondering about assessing the level of risk as low, medium, high or extreme for each experiment. It seems that it's a little bit subjective. Does anyone use the standards or risk management guidelines (suggested by the r...

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