Acids Calibration Level 1 Back Catalog number: 94838 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11729.12-100-IO 2,3,3',4',5'-Pentachlorobiphenyl (= 2',3,3',4,5-),100 µg/mL,isooctane,1mL, Price on request 11203.8-50-MEX10 1D,1D,2H,2H-1-Hydroxyperfluorooctane,50 µg/mL,MeOH,1mL, Price on request 90240 Captan Price on request