CLP Semi-Volatile Internal Standard Back Catalog number: 13009 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9113 Hexachlorobenzene Price on request 675506 Fentin acetate, 250mg Price on request 18000-0110-100AN5 Benzalkonium chloride, 100µg/ml in AL, 5ml Price on request