CLP Semi-Volatile Acid Surrogate Standard Back Catalog number: 20005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1347-S 1,3,4,7-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 50127 pH 12.0 Standard @ 25°C Price on request 33111 Bromoethane, 20mg/ml in MeOH, 1ml Price on request