Spectromelt® A 14 51% di-Lithiumtetraborat/ 27% Lithiummetaborat/ 12% Lanthan(III)-oxid/ 1

Spectromelt® A 14 51% di-lithium tetraborate/ 27% lanthane(III) oxide/ 12% lithium metaborate/ 10% lithium fluoride for XRF (X-ray fluorescence)