2,2’,5,5’-Tetrachlorobiphenyl (52) Back Catalog number: 66052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA15160000AL Metobromuron, 100µg/mL in Acetonitrile, 1ml Price on request 50793 Total Kjeldahl Nitrogen as N Price on request 52134A Multi-Element Solution 2 Price on request