Internal & Surrogate Standard 8260B Back Catalog number: 96719 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95369 Formaldehyde Price on request H943795 (+)-13a-Hydroxylupanine, 1mg Price on request 673469 Acephate, 100 µg/ml, Ethyl acetate, 5ml Price on request