BTEX Standard Back Catalog number: 92794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30231 1,4-Dichlorobenzene Price on request 11CL-PF3OUDS Potassium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate, 1.2ml x 50ug/ml, methanol Price on request 73152 Nonafluoro-1-butanesulfonate Price on request