Phenol,unstabilized, ReagentPlus, >=99%

Barium chloride dihydrate,ACS reagent, >=99%

Aluminum potassium sulfate dodecahydrate,ACS reagent, >=98%

Sodium hydrogencarbonate,-40-+140 mesh, >=95%

B-Cyclodextrin,Wacker Chemie AG, >=95.0% (HPLC)

Citric acid,anhydrous, free-flowing, Redi-Dri™, ACS reagent, >=99.5%

Potassium phosphate monobasic,anhydrous, free-flowing, Redi-Dri™, ACS reagent, >=99%

Graphite,flakes, 99% carbon basis, -325 mesh particle size (>=99%), natural

Calcium acetate hydrate,ReagentPlus, >=99% (titration), powder

Potassium tetraborate tetrahydrate,ReagentPlus, >=99.5%

Trizma base,anhydrous, free-flowing, Redi-Dri™, >=99.9%

Sodium sulfate,ReagentPlus, >=99.0%