Acids Mix Back Catalog number: 93880 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L469375 Lofentanil, 1mg Price on request S-4341-K-HXX10 Quality Control Standard of Mineral Oils 2 2x500µg/ml in n-Hexane i 1ml crimp-top Price on request 679472 Triamiphos, 10.0 µg/ml, Cyclohexane, 10ml Price on request