Polyethylene - Trace elements (low level), 100g Back Catalog number: ERM-EC680K Availability: In the manufacturer's stock Price on request - + Recommended 54159 Silica (SiO2), 1000µg/ml in Water/0.5% NaOH, 100ml Price on request 675482 Octafluoronaphthalene, 100mg Price on request NK-ST-A4 Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request