#1 Science Forum For Lab Technicians

Yes just want I thought, O NO NO NO

Or upside down Lids from crucible's on a test tube holder.

sodium hypophosphite hydrate*

Tch
NR

DET

Hazardous Chemical -

7681-53-0
10039-56-2 Hygroscopic solid. Solutions of it may release very toxic phosphine gas if heated.
May cause explosion or ignition if heated with strong oxidising agents.
The chemical, physical and toxicological properties are ...

Sodium hypophosphite is the sodium salt of hypophosphorous acid and is often encountered as the monohydrate, NaPO2H2·H2O. It is a solid at room temperature, appearing as odorless white crystals. It is soluble in water, and easily absorbs moisture from the air.

At the end of year do you get the students Yr 12 to return the text books or do you buy new ones?

Sounds like a great idea

Thank you I did see the balls.

24 hours for any thing we are a big school.

I can not see a basketball in that photo at all??????????????

Metal does not do very well with any Chemicals, it should be PVC.

CAN WHS help in any way????

Yes you do, due to it being a closed walk in store area. You would leave a window open, so should have a elec fan going 24/7 plus vent in the door, so a through air can go through and out. Or a build up for varps would happen.

Thank you Matt_Coffs

If you are a DoE school NSW, they MUST fix it. Or you can NOT do the chemical register, which must be done for adit. CSIS states that.

Thank you Bigmack.

Where do you purchase the Heat shrink tubing from? heat over a bunson????

Great idea, well done you

That's a good idea, some thing worth thinking about.

As word got around the area, other schools did it as well. Some schools would only take, Non classified chemicals, some took big equipment, only to look after. I had list made for each school. It sure was a busy time.

It's done by there GA, by class, Non classified, etc etc. The acid's we found room at our school to store them. Our GA and there's worked together, and we did the same for that school. Think the Principals also got together to help. It was done in about 3 trips. They choice early in the morning, If ...