EPH in Water Back Catalog number: 38174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D445642 Diflufenican-d3, 1mg Price on request 680364 4-Aminoazobenzene, 100 µg/ml, Acetonitrile, 1ml Price on request N-13121-1G Propyl alcohol, 1g Price on request