Table 3.

Yttria (Y₂O₃) content reported in various studies.

	Harada 2016[11]	Flinn 2017[12]	Putra 2017[13]	Inokoshi 2018[14]	Camposilvan 2018[15]	This Study*
UTML	9.3 wt%	-	10.1 wt%	~5.4 mol%	>6 mol%	9.5 wt%
						5.4 mol%
STML	8.2 wt%	-	8.9 wt%	~4.8 mol%	-	8.5 wt%
						4.8 mol%
ML	-	10.9 wt%	-	-	-	6.6 wt%
						3.7 mol%

^*Calculated based on the elemental yttrium weight percent determined in this study (Table 2).