Potassium carbonate sesquihydrate, for analysis ACS Potassium carbonate crystal Potassium carbonate sesquihydrate, for analysis ACS, 98.5% PotassiuM carbonate sesquihydrate, 98.5%, ACS reagent POTASSIUM CARBONATE-1.5-HYDRATE 99.995 POTASSIUM CARBONATE HEMIHYDRATE POTASSIUM CARBONATE HYDRATE POTASSIUM CARBONATE, SESQUIHYDRATE