525.2 Internal & Surrogate Standard Back Catalog number: 92386 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72797 2-Bromo-3-chloropropene Price on request XA10332000AL Atrazine-desisopropyl, 100µg/ml in Acetonitrile, 1ml Price on request L13120000IO Endosulfan (alpha + beta), 10µg/mL in IO, 10ml Price on request