. 2021 Nov 16;11:22349. doi: 10.1038/s41598-021-01072-1

Table 1.

Bentonite clay samples analyzed in this study.

Sample	Clay type	Exchangeable cation	Origin	Manufacturer	Production date	Lot number
MX1	MX-80 bentonite	Na⁺	Wyoming, USA	American Colloid Company	Jun 2015	65275772
MX2	MX-80 bentonite	Na⁺	Wyoming, USA	American Colloid Company	Nov 2016	116315319
MX3	MX-80 bentonite	Na⁺	Wyoming, USA	American Colloid Company	Mar 2017	37324182
MX4	MX-80 bentonite	Na⁺	Wyoming, USA	American Colloid Company	Mar 2017	37324184
MX5	MX-80 bentonite	Na⁺	Wyoming, USA	American Colloid Company	Mar 2017	37324190
MX6	MX-80 bentonite	Na⁺	Wyoming, USA	American Colloid Company	NA	NA
MX7	MX-80 bentonite	Na⁺	Wyoming, USA	American Colloid Company	NA	NA
MX8	MX-80 bentonite	Na⁺	Wyoming, USA	American Colloid Company	Jun 2015	65275768
MX9	MX-80 bentonite	Na⁺	Wyoming, USA	American Colloid Company	NA	NA
AB1	Asha bentonite	Na⁺	Kutch, India	Ashapura Minechem Co	NA	NA
CC1	Sodium bentonite	Na⁺	Saskatchewan, Canada	Canadian Clay Products Inc	NA	NA
CC2	Sodium bentonite	Na⁺	Saskatchewan, Canada	Canadian Clay Products Inc	NA	NA
DC1	Deponit Ca–N	Ca²⁺	Milos, Greece	S&B Industrial Minerals SA	NA	NA
IR1	IBECO-RWC	Ca²⁺	Milos, Greece	S&B Industrial Minerals SA	NA	NA
NB1	National standard	Na⁺	Wyoming, USA	Opta Minerals Inc	NA	NA

NA data not available.