Arsenic (As) Back Catalog number: 58133 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674462 4-Chlorophenoxyacetic acid, 250mg Price on request X9022 alpha-BHC Price on request S-4519-40-PEX10 ISO 9377-2MOD Stearyl Stearate Solution for Comparison 0,5ml Stearyl stearate test solution (S-4517) with 24,5ml Extraction solvent (n-Pentane) Unit: 1mL for direct GC-Comparison Price on request