Sulfide (S), 1000 µg/mL in Water, 3 x 20ml Back Catalog number: 54139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended E1139-100ML FE1139 Cadmium ICP 10g/L ,100LPF Price on request E4014-100ML FE4014 Cadmium for AAS 1g/L ,100LPF Price on request E1351-100ML FE1351 Silicon ICP 100mg/L ,100LPF Price on request