The discussion focuses on methods to reduce tin from scrap pewter, particularly exploring the use of ascorbic acid as a reducing agent. There is uncertainty about ascorbic acid's effectiveness on tin compared to its action on copper and silver. An alternative proposed is oxalic acid, which may drive the reaction through CO2 release, although its low solubility poses contamination risks. The ...
Last night I was awoken by what seemed like an extremely bright flash of light. I sat up and saw another bright flash of light just outside my bedroom that...
Flash point temperature of petrol is lesser than that of diesel at the same pressure. Does this mean, if I take petrol and diesel as liquids in separate...
Hey guys, I would like to create a mixture out of two liquids with an ideal flash point of around 70ºF. The liquids I have to work with are 200 proof (100%) isopropyl alcohol (2-propanol) and aliphatic hydrocarbon mixture (aka hydrotreated petroleum distillates). What I'm looking for is the...
The autoignition temp of n-butane (straight chain) is 288 degree Celcius while that of isobutane (branched chain) is 460 degree Celcius. The flash point of...
I caught the tail end of a video about a new application for treating chemical or process waste, which is applied to 'red' mud or contaminated bauxite residue, but the person of interest mention recovering critical minerals from consumer electronics, as well as treating mine tailings and...
SOLD: Primary Arms Micro dot with kill flash and ADM mount bundle I have a like new micro dot sight with kill flash from primary arms for sale. It comes in a bundle with the American Defense ADT1 Cowitness Mount. I have not used the sight. I had it mounted on my AR but never shot it.
I have a new in the box Knights M4 RAS I am selling. The unit comes in the factory box with all the rails and fore grip. The rail is still wrapped in the plastic. I am asking $150 plus $7.00 shipping. Let me know if you have any questions. I also have a new Noveske Pig for $$85 SPF and a new Troy Med Evil Flash Hider for $50.