Initial Check Verif. Standard 4, in 4%HNO3, 100ml Back Catalog number: ICV-4-100 Availability: In the manufacturer's stock Price on request - + Recommended BB-206 2,2',3,3',4,4',5,5',6-Nonabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request BPAF 2,2-Bis(4-hydroxyphenyl)hexafluoropropane, 1.2ml x 50ug/ml, methanol Price on request M2-4:2FTS Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-hexane sulfonate (4:2), 50µg/ml in MeOH, 1,2ml Price on request