CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-2378-S 2,3,7,8-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 674394 cis-1,2,3,6-Tetrahydrophthalimide, 1000mg Price on request 678005 Fensulfothion-sulfone, 100 µg/ml, Toluene, 1ml Price on request