Base/Neutral & Acid Surrogate Standard Back Catalog number: 25015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679766 Profoxydim lithium salt, 100mg Price on request 685521 Bifenazate-diazene, 100 µg/ml, Ethyl acetate, 1m Price on request 90983 Fluoranthene Price on request