8151A Mix B Back Catalog number: 93207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4:2FTS Sodium 1H,1H,2H,2H-perfluorohexane sulfonate (4:2), 1.2ml x 50ug/ml, methanol Price on request 687448 Ethyl methyl carbonate, 1g Price on request 5TCDD 2378-TCDD Specificity Mix for DB5/BP5/HP2/Rtx-5/SPB-5 , 1.2ml, nonane Price on request