Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPCB-MXA Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane Price on request 679838 Tris(2,3-dibromopropyl) phosphate, 100 µg/ml, Met Price on request 55309 Total DMRQA (Kit) Price on request