WS pH @ 25°C Back Catalog number: 55016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4165-SET Aromatics Quantitative Calibration Mixes (without Internal Standard) 5 Analytes, each Wt% as listed in isooctane; unit: 5x10mL, one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. Price on request 70446 Phenacetin Price on request L469375 Lofentanil, 1mg Price on request