or
Potassium Iodide, For Arsenic, Certified; 15.0% (w/v) +/-0.5% (w/v); Liquid; LabChem; 1L; Amber Poly; FW: 166g/mol; KI; Density: 1.11g/mL; CAS: 7732-18-5, 7681-11-0