Potassium (K) Back Catalog number: 58019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79389 g-Butyrolactone Price on request 11725.12-100-IO 2,3,4,4',6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request OBIND 4,5,6,7-Tetrabromo-1,1,3-trimethyl-3-(2,3,4,5-tetrabromophenyl)-indane, 1.2ml x 50ug/ml, toluene Price on request