Thermo Scientific Chemicals Set of six Capsule and pestle, with holder, Capsule and Pestle Set, For Use With: Wig-L-Bug Mixing/Grinding Mill (AA42627KT), Recommended Storage: Ambient temperatures
Agate Pestle and Mortar.Agate pestle and mortar set, recommended for use with very hard samples. Agate is much harder than porcelain, thus reducing the level of impurities introduced into the sample during grinding.