Internal & Surrogate Standard 8260B Back Catalog number: 92026 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72197 Lomefloxacin Price on request 680167 Propionic acid, 1ml Price on request S-4217-10K-ACX5 9377-2 Quality Control Standard of Mineral Oils A+B ,10000µg/mL in acetone (5000µg/mL of each), 5x1ml Price on request