Interference Standard 4 Back Catalog number: 52041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683821 Stevioside, 10mg Price on request 11785.10 1,2,3,5,6,8-Hexachloronaphthalene,,,, Price on request 95808 L(+)Lactic acid Price on request