Supplier Page from Thermo Fisher Scientific for Calcium carbonate, ACS reagent, chelometric standard
Al-23 Tube (both ends open);OD (mm), 4;ID (mm), 2 from Thermo Fisher Scientific
Bathophenanthroline, 98% from Thermo Fisher Scientific
L-Dihydroorotic acid, 99% from Thermo Fisher Scientific
Sapphire sphere; diameter(mm), 1.50; grade 25 from Thermo Fisher Scientific