ASTM D-2887 Column Test Standard Back Catalog number: 98740 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-12367-S 1,2,3,6,7-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request ULM-7312-1.2 Perchloric acid, sodium salt, 100µg/mL in Water, 1 Price on request C17878000 2,4,5-Trimethylaniline, certified, 10mg Price on request