Manganese(II) sulfate monohydrate,ACS reagent, >=98%

Potassium sulfate,ACS reagent, >=99.0%, powder or crystals

Sodium carbonate,ACS reagent, anhydrous, >=99.5%, powder or granules

Cerium(III) chloride heptahydrate,purum p.a., >=98.0% (AT)

Potassium sulfate,ACS reagent, >=99.0%, powder

Aluminum sulfate octadecahydrate,>=97%

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

Calcium carbonate,ACS reagent, >=99.0%, powder

Potassium perchlorate,ACS reagent, >=99%

Phenol,ACS reagent, >=99.0%

Benzoic acid,ACS reagent, >=99.5%

Potassium bromide,ACS reagent, >=99.0%