Paint Chip Analysis Back Catalog number: 53138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4H172 2,2',3,3',4',5,5'-Heptachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane Price on request 50062 Sodium Nitrate (NO3-) as N Price on request 31101 Chlorobenzene Price on request