PSA-C18-Mix 4 Back Catalog number: 674493 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 685903 D5-Pendimethalin, 100µg/ml in Acetone, 1ml Price on request 59290 Turbidity Standard (1.0 NTU) Price on request 674840 Tebufenpyrad, 100mg Price on request