Tetrapentyltin Internal Standard Back Catalog number: 82489 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8813.12-100-IO 2,4,5-Trihlorobiphenyl Price on request 675517 Nitrapyrin, 10 µg/ml, Ethyl acetate, 10ml Price on request DF-138-S 1,3,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request