pH 2.0 Standard @ 25°C Back Catalog number: 50126 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 78016 2,4,5-TP acid (Silvex) Price on request 11734.12-100-IO 2,2',3,3',4,6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 15900-2730-10CY10 cis-Heptachlor-epoxide (Isomer B), 10µg/ml in CY, 10ml Price on request