170135_inorganicventures_flipping

13:2 Sample Preparation by Fusion

Pyrosulfate fusions (bisulfates):

Flux- K2S2O7

Crucible - Pt 0 Flux : Sample ra9o -20:1 Temperature - 500 0 C Most Popular Applica9ons –Ti, Zr, Nb, Ta oxides

13:3 Sample Prepara7on by Fusion

Lithium borate fusions:

Flux- Li 2 B 4 O 7 ; LiBO 2 ; H 3 BO 3 + Li 2 CO 3 at 1:1 (matter of preference - meta borate used for chromite) Crucible - Pt 0 ; Pt 0 / Au 0 ; occasionally Au 0 or graphite Flux : Sample ratio - 10:1 Temperature - 950 to 1200 0 C Most Popular Applications - SiO 2 , Al 2 O 3 , alumino-silicates (various minerals, zeolites, etc.), chromite