4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C11693000 Caffeine, 250mg Price on request 15060-10CY5 PCB - Mix 8, 10µg/ml in Cyclohexane, 5ml Price on request S-4164-SET Aromatics Quantitative Calibration Standards (without Internal Standard) 2 Analytes, each Vol.% as listed in isooctane; unit: 7x25mL one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std. 5 Std. 6 Std. 7 Price on request