A chemically empowered hunt for space grains
By johan [dot] joelsson [at] science [dot] lu [dot] se (Johan Joelsson) - published 8 November 2019 At one point, 70 per cent nitric acid is poured on the sample, which dissolves the mineral pyrite. The brownish yellow smoke consisting of nitric oxides is both toxic and flammable. Photo:Kennet Ruona Every year Birger Schmitz, Fredrik Terfelt and Ellinor Martin dissolve five to ten tonnes of limest
https://www.staff.lu.se/article/chemically-empowered-hunt-space-grains - 2025-02-09