Noble gases fingerprint a metasedimentary fluid source in ...
23/04/2016 · Cleaned samples (– g) were loaded into a stainless steel solenoid crusher (Sumino et al. 2001) connected to an allmetal, ultrahigh vacuum extraction line, and were baked overnight at 125 °C to release adsorbed atmospheric gases. Noble gases were released by crushing in vacuo and the released gases were purified by exposure to a SAES GP50 Zr–Al alloy getter pump operated at 250 .