Recent content by s.petley

You can usually pick up a tradescantia plant from B & Q for about £4

I don't put spill kits in labs. I never give anything out in a quantity that would need the use of a spill kit so just keep one in each prep room for when I'm handling large quantities

I think they're the company SLS use to supply bacteria etc. I've had a few cultures delivered recently and they seem good

It can't be projected easily with a visualiser, but if you lift the lid up in a darkened lab it will project onto the ceiling. Thats how we use it

I've booked on to it. Hoping it will still go ahead!

We buy most of our supplies from SLS (science2education.co.uk). They are quite competitive with pricing anyway, but if you have a decent sized order it's worthwhile speaking to a rep. We've had issues in the past with the quality of some chemicals from cheaper supplies. Never had a problem with SLS

It was available 2 weeks ago from the secure section of the Pearson website. Our exams officer had to download it

I've just bought hundreds of these from SLS although they are the narrow neck version: https://www.science2education.co.uk/product/BOT3826 They're cheaper than Better Equipped and if you have a large order, it's worth contacting a rep to see if you can get discount

Sorry Nick- somebody had messaged me directly when I posted and I've only just had a chance to update this thread

All of the equipment is now sold

We're replacing our dataloggers due to system upgrades in school. I'm looking to sell: Interfaces x6 (maybe 1 or 2 more) Current probe x1 Voltage probe x1 Temperature probe x9 Temperature probe (high temp thermocouple) x16 Light gates x4 pairs Light level x12 Movement and position sensor x1 pH...

I don’t suppose you’d be willing to share a photo of the kit you made or instructions on how to make?

I'd love some advice on making the chambers? We were looking to buy the kit this year but can't afford the £275 but would love something to do half life properly

Would anybody be interested in buying some of the Unilab MFA counter modules? Trying to raise some money to replace bits of kit

Just trialled this today- caffeine didn’t show up for me with iodine vapour but showed under UV light. I used 10:9:1 ethyl ethanoate:hexane:ethanoic acid and the aspirin just dissolved and didn’t show. Reduced the amount of ethyl ethanoate to 2:9:1 and it mostly worked although the deparation...