#1 Science Forum For Lab Technicians

Hi LabTechBrooke
I have leaf insects.
Where abouts are you located?
I am in the Sutherland shire
Michelle

Hi
We went to a landscape supplier in our area and they were happy to supply us with some granite, limestone, basalt, scoria and sandstone samples.

Maybe if it was gold

Hi All
We have just done a metal displacement experiment with Yr 11 chemistry. I have recovered a whole lot of silver power and have dried it out. Is there an easy and safe way to heat the silver powder to create a solid silver bar or nugget?
Thanks in advance
Shell

Try steve spangler science as he has a few good recipes

I buy all my dissection specimens from dissection connection. Bovine eyes I have never had an issue with, nor has any Teacher complained about cloudy lenses. They are vac packed pretty much straight away then frozen. I used to buy fresh from the butcher but every time I went to pick them up they had...

We just use an old style alarm clock, the one with the 2 bells on top. Most department stores sell them. https://www.google.com/search?q=alarm+clock+with+bells+on+top&safe=strict&rlz=1C1CHZL_enAU690AU690&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjl9Z2slOblAhWVbisKHcCECBAQ_AUIEigB&...

If anyone is looking for some part time work please contact Robert Capizzi. Details below

Hi Macca
Sent you a PM

Chemist warehouse usually stock this

Try dissecting a cherry tomato. See the image in the link below (scroll halfway down). Good for ovary etc
http://www.geochembio.com/biology/organisms/tomato/

Hi Rosemary
I sent you a pm. We have a marine science class so would be interested to see what resources you are giving away.
Michelle

Hooray. g
Great to have this site up and running again. Thanks Westlab

I do ours in a tall beaker inside the fume hood. I think we only use about 20g sugar and about 50ml of sulphuric acid. the trick is to stir vigorously, you will feel the beaker start to heat up. we keep stirring until it is rather warm and then leave it. you will see it start to steam a bit and then...

Recipe we use is dissolve 2 gm phenolphthalein in 600ml ethanol. make up to 1L with distilled water. Filter.
Students get a dropper bottle of this solution which is safe for use 7-12

We bought 10 cases of these from Haines. The kids love them.
https://www.chemtalk.com.au/viewtopic.php?f=26&t=451/index.php/ani ... imens.html

M&M's much better than smarties

Try Westlab
https://www.westlab.com.au/search/spott ... ate/0/10/1

I always tell my teachers no risk assessment = no prac. It didn't take them long to realize that I meant it. It helps also to have a coordinator that is on board and backs you up. I also stated the personal and school fines that could be imposed on them if there was an accident. Don't have any probl...

Hi Elizabeth
We have lab coats and a great lab coat rack bought from Westlab. Things you may need to consider are: if you buy cotton do you have access to a washing machine/dryer at school? Rubber ones you could at least wipe down after dissections.
Shell