GLC reference standard GLC-673-B, 100mg Back Catalog number: GLC-673-B Availability: In the manufacturer's stock Price on request - + Recommended 38129 WS Organonitrogen Pesticides Price on request ME 20200 Aqueous Ethanol Standard (2.0g/l), 10 x 1,2ml Price on request 54660 MBAS - Alkylbenzene Price on request