How to reduce tin? • Physics Forums
Nov 5, 2025 · 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 …
Unexplained bright flash of light inside house - Physics Forums
Dec 31, 2022 · 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 Joule Heating (FJH) Method for treating process waste streams
Nov 25, 2025 · 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 …
Flash Point of Petrol & Diesel: Pressure & Self Ignition
Aug 13, 2018 · 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...
Nobel Prize in Chemistry 2025 • Physics Forums
Oct 8, 2025 · 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 …
How to calculate flash point of mixture? • Physics Forums
Jun 7, 2012 · 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 …
Why N-Butane & Isobutane Have Different Autoignition & Flash Points
Aug 22, 2012 · 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...
What caused the mysterious flash of light during 9/11 plane strikes?
Mar 13, 2006 · What caused the mysterious flash of light during 9/11 plane strikes? Chi Meson Mar 13, 2006 conspiracy
Counting d-electrons in M(I) transition metals • Physics Forums
Apr 26, 2025 · Formally, d-electron count is calculated by subtracting the group number of the metal by its oxidation state. If we limit ourselves to the first row transition metals, the group number - 2 = #d …
SOLD: Primary Arms Micro dot with kill flash and ADM mount bundle
Oct 2, 2012 · 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 …