Potassium (K) Back Catalog number: 56719 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95808 L(+)Lactic acid Price on request 56139 Yttrium (Y) Price on request 63174 2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Price on request