https://hha.hitachi-hightech.com/en/support/consumables-coatings-xrf-calibration-standards/foil-au-cu-(60/40)-240uin-6um
Foil Au-Cu (60/40%) 240uin 6um
Coatings reference standard for creating or validating calibrations on XRF analyzers with spot sizes smaller than 2 mm
foilaucu
https://hha.hitachi-hightech.com/zh/support/consumables-coatings-xrf-calibration-standards/foil-au-cu-(40/60)-240uin-6um
Foil Au-Cu (40/60%) 240uin 6um
Coatings reference standard for creating or validating calibrations on XRF analyzers with spot sizes smaller than 2 mm
foilaucu