Internal Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended C-002N 3-Chlorobiphenyl, 50mg Price on request 52163 ICP-AES ICV Water/ Soil Matrix, in 5% HNO3, 100ml Price on request 90345 Hexachlorophene Price on request