Measurements of water content and D/H ratio in apatite and silicate glasses using a NanoSIMS 50L

Abstract

Apatite and silicate glasses share the same water content calibration curves in isotope modes where water was determined from the H⁻ intensity regardless of multicollection or peak jumping. In contrast, the slope of apatite significantly differs from that of silicate glasses in element mode where OH⁻ was counted for the water content.