Polyethylene - Trace elements (low level), 100g Back Catalog number: ERM-EC680K Availability: In the manufacturer's stock Price on request - + Recommended WP-CVS "Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane Price on request QCM-600 QualityCheck gasoline sample 3 651,48 Kč S-4748-ASS-5AC Custom mix of naphthalenes, diluted Same components as S-4747, at lower concentrations 0711.10 Naphthalene 92µg/mL 0713.11 2-Methylnaphthalene 233 0721.12 1,2-Dimethylnaphthalene Price on request