Calibration Standard Set Back Catalog number: 52042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended RPC-106AS 2,3,4,4,5-Pentachlorobiphenyl, BZ-118 39,56 € C13245100 17a-Ethinylestradiol, certified, 0.25g Price on request BDE-099S 2,2',4,4',5-Pentabromodiphenyl ether,50µg/ml IO,1m Price on request