525 Internal Standard Back Catalog number: 94212 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33191 cis-1,2-Dichloroethene Price on request 679452 Terbuthylazine, 100 µg/ml, Methanol, 1ml Price on request 681451 Chlordimeform, 10.0 µg/ml, Ethyl acetate, 10ml Price on request