Potassium (K) Back Catalog number: 54158 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 95408 Aroclor 1262 & Tetrachloro-m-xylene Price on request SCP150-100-265 CONOSTAN 1000ppm Standard, Fe, 50g Price on request 50473 ICP Mix - 0.05 µg / mL Price on request