Calibration Standard Kit Back Catalog number: 53090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9290.16-100-MEX5 Tramadol-d6 hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. Price on request S-4116-100-AC EPA 525.2 PAH mixture, 13 Compounds in Acetone 13 Analytes, each 100µg/mL in acetone; units: 1x1mL, 1x5mL 0002.12 Acenaphthylene [208-96-8] 1049.14 Anthracene [120-12-7] 0201.18 Benz[a]anthracene [56-55-3] 0263.20 Benzo[b]fluoranthene [205-9 Price on request 52320 EPA Method 300.0 Anions, 1000µg/ml in Water, 100ml Price on request