pH 4.0 Standard @ 25°C Back Catalog number: 59436 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4486-500-AC EPA 527, Surrogate Standard 3 Analytes, each 500µg/mL in Acetone; unit: 1x1mL 3478,8 1,3-Dimethyl-2-nitrobenzene [81-20-9] 2138.18 Triphenylphosphate [115-86-6] 1534.20 Perylene-d12 [1520-96-3] Price on request 0242.24-10MG Dibenzo[a,h]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 189-64-0 Price on request X9068 3,3’-Dichlorobenzidine Price on request