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Hazardous chemicals
Copper sulphate (combined with lime and water iirc) is "Bordeaux mixture" which was a permitted fung ...		 4-4-2019 at 11:57
by: RedDwarf
Testing for lead or it's oxides - best method?
Which just demonstrates the danger of using TLAs and assuming you mean the same thing as your reader ...		 3-4-2019 at 14:41
by: RedDwarf
Styrofoam - Lets reprocesses it
Idle thoughts of an idle fellow... why not combine 3 and 4 by trying spray drying/ fluidised bed?
A ...		 1-4-2019 at 05:14
by: RedDwarf
Displaying elements collection in a non-standard way
Thinking further for compounds I'd go for a 3D triangular display with a traditional periodic table ...		 25-3-2019 at 08:21
by: RedDwarf
Displaying elements collection in a non-standard way
I don't collect elements (yet!) but if I did and had a collection I wanted to display I'd think abou ...		 25-3-2019 at 08:14
by: RedDwarf
How to ask my professors for chemicals and equipment?
I'm based in the UK and have also taught in secondary schools and even as a teacher it can be very h ...		 15-3-2019 at 06:16
by: RedDwarf
Everything you wanted to know about Aspirator "pumps" but were afraid to ask
Steam ejectors used to be a very common way of producing vacuum in the process industries (if you're ...		 15-3-2019 at 06:07
by: RedDwarf
Electrorefining of Tin
I s the tin on the cathode coming from the anode (in which case was this pewter, and what was happen ...		 13-3-2019 at 06:50
by: RedDwarf
metallic container for corrosive chemicals
You've a far too wide a range of materials - some acids can be handled in some grades of stainless s ...		 13-3-2019 at 06:43
by: RedDwarf
Nitric acid spill
I couldn't stop getting this image in my head of amateur chemists rushing to the leak with buckets a ...		 11-3-2019 at 07:23
by: RedDwarf
Monitoring rxn temperature: which type of thermometer is best?
IR thermometers have two main issues; firstly they measure the average temperature in an area which ...		 11-3-2019 at 07:15
by: RedDwarf
Free Chemicals, Walsall, UK
Hi , I'll send you a pm, but appreciate that I'm a new member so others may have priority. 		24-2-2019 at 13:47
by: RedDwarf
Selectively complexing copper at low pH
Out of interest how do you "economically separate the chromium, nickel, and iron present to obtain ...		 22-2-2019 at 09:28
by: RedDwarf
Aurelio-online.com (Germany)
Hi,
I'm interested in buying some reagents from Aurelio-online.com . I've done a google search of t ...		 22-2-2019 at 09:14
by: RedDwarf
How can I regulate current density in electrolysis cell? (chlorate cell)
If you have the room to do it in your cell, you can increase the distance between the electrodes (wh ...		 16-2-2019 at 08:16
by: RedDwarf
High temp conductive material for mounting cartridge heaters
I've used this sort of cartridge in 3-D printers up to about 400C in the print head. I've used "rope ...		 16-2-2019 at 06:32
by: RedDwarf

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