D4-Propyl paraben, 100 µg/ml, Methanol, 1ml Back Catalog number: 678215 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 59583 ICP-MS Mix #1 Price on request S-4107-50-HXX5 ISO 9377-2 Standard Mixture of n-Alkanes C20-C40 (all even) Determination of Hydrocarbon Oil in Water Index 11 Analytes, each 50µg/mL in n-Pentane, units: 1x1mL, 1x5mL, 10x1mL This standard is also available as 50µg/mL in n-hexane; units 1x1mL, 1x5 Price on request 1593.16-100-IO 4-Hydroxy-11H-indolo[2,3-f]naphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23682-01-1 Price on request