Sulfate (SO4-2), 1000µg/ml in Water, 500ml Back Catalog number: 54506 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended E3052-100ML FE3052 Triethanolamine IC 1g/L ,100LPF Price on request E4061-500ML FE4061 Rhodium for AAS 1g/L ,500LFL Price on request E1191-100ML FE1191 Thallium ICP 10g/L ,100LPF Price on request