Australia's Science Forum

Hi Mother We already do an experiment similar to this using different types of OJ to investigate how much Vitamin C is in each compared to Vit C tablets dissolved. It is very interesting as it is quite clear that fruit drinks have very little vit c and other 100% juices have much more. Most students...

Hi Estelle When you say Benedicts solution could you give me more information please. On another topic stream I have been asking about storage life of chemicals and solutions, some of which have been here quite some time and some solutions that have been made up since before I started working here a...

Thank you all for your tips on this one. I will be having another look at what I have stored and what it is in. Keep them coming if anyone else has any other useful information on this

Once again thank you to all for your suggestions I am going to give a few of them a go, particularly the microwave method as this sounds simpler than the pressure cooker. Also Hi back to Sue S, I had seen your name around the lab and when I saw you on here I mentioned it to Susie so I will definatel...

Recipe for playdough as requested 1 cup cooking salt 2 cups plain flour 1 tablespoon cream of tartar 2 cups of boiling water 1 desert spoon cooking oil Food colouring added to water Combine dry ingredients in a bowl. Add boiling water. Knead mixture and add 1 desert spoon cooking oil while kneading....

A little off your exact topic here but I use playdough instead of plasticene in many instances. It is more pleasant to work with, a lot cheaper to replace and can last a long time in the fridge. The recipe I use is quite easy and I jsut make up a batch every so often when the stock in the fridge is ...

I am also from a refinery laboratory background and the lab technician had left when I started so here I am about 18 months into working and still finding out what some of the equipment (especially physics) is for a start and then what it is used for. I do have a question in regard to the storage li...

Thanks to everybody for your suggestions :D , I have a few to try now. The main problem I have is with sterilising as I dont have an autoclave. I have a pressure cooker, is this sufficient and what is the best way to do it in a pressure cooker. Is it safe to put something glass straight on the botto...

I have had trouble preparing nutrient agar so would appreciate if anyone has some tips they could give me. I have also seen a suggestion to use potato slices, has anyone else used this technique? By the way I work at a school in a remote area of WA so I really appreciate having a forum where I can a...