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How to reduce tin? • Physics Forums 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
How to calculate flash point of mixture? • Physics Forums 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
Flash Joule Heating (FJH) Method for treating process waste streams 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
Nobel Prize in Chemistry 2025 • Physics Forums Susumu Kitagawa, Richard Robson and Omar M Yaghi are awarded the Nobel Prize in Chemistry 2025 for the development of a new type of molecular architecture The constructions they created – metal–organic frameworks – contain large cavities in which molecules can flow in and out Researchers have
1 2x28 flash hiders for 5. 56x45mm - calguns. net 1) Smith Enterprise Vortex Flash Hider 1 2-28 Thread with M22x1 0 Outside Thread for Ops Inc Suppressor AR-15 Matte?$40 now 2) Geissele Nanocoated Surefire SOCOM closed-tine flash hider?Sold!!!
Dissolving silver • Physics Forums I'm making poor man's nitric acid to refine silver from scrap I would like to waste as little as possible I've noticed that about half the acid is destroyed oxidizing the metals, and I'd like to reduce that if possible One reference mentioned that I lose only one in four in a "dilute
Relativity Question with Lorentz tranformations - Physics Forums Homework Statement Observer O sees a red flash of light at the origin at t=0 and a blue flash of light at x = 3 26km at a time t = 7 63 \\mu seconds What are the distance and the time interval between the flasheds according to ovserver O', who moes relative to O in the direction of