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 E1012-100ML FE1012 Cadmium ICP 1g/L ,100LPF Price on request E1370-100ML FE1370 Aluminium ICP 10mg/L ,100LPF Price on request E1411-100ML FE1411 Rubidium ICP 10mg/L ,100LPF Price on request