Silver (Ag) Back Catalog number: 58047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59436 pH 4.0 Standard @ 25°C Price on request 79252 EPA Method 8330 Analyte Price on request XA12631000AL Diflufenican, 100µg/mL in Acetonitrile, 1ml Price on request