Sulfamethizole, 100 µg/ml, Methanol, 1ml Back Catalog number: 679815 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 82701 EPA Method 8270A - Mix #14 Price on request 32911 1-Methylnaphthalene Price on request S-4353-K-5AC ISO 8165-1 Internal Control Stock Solution 1 1 Internal standard, 1000µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7] Price on request