PSA-C18-Mix 10 Back Catalog number: 680496 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 679096 Glufosinate-ammonium, 10.0 µg/ml, Water, 10ml Price on request 59345 Perchlorate (ClO4-) Price on request 72101 Ascorbic acid Price on request