Norfloxacin, 100 µg/ml, Methanol, 1ml Back Catalog number: 679800 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677644 Demeton-O, 10.0 µg/ml, Cyclohexane, 10ml Price on request 52143 EPA 1620 Standard 5 Price on request ACQ-AQ15-030 Ethanol standard in water,1.5g/L,water, 3mL Price on request