Drinking Water Standards Kit Back Catalog number: 52074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MTCC N-(4-chloro[13C6]phenyl)-N'-(3,4-dichloro[13C6]phenyl)[13C]urea , 1.2ml x 50ug/ml, methanol Price on request 3303.23-K-IO Methyl 4,7,10,13,16-docosapentaenoate (all-cis), 1000µg/mL in Isooctane, 1ml Price on request C11064100 Cefazolin sodium salt, certified, 0.1g Price on request