Arsenic (As) Back Catalog number: 50194 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94031 Surrogate Standard Price on request 1941.6-5G N-Methyl-N-(trimethylsilyl)trifluoroacetamide, neat, Solvent-neat, Unit 5g, # of units-1, Cas.no. 24589-78-4 Price on request 10629.12-50-T 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin Price on request