Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended E2203-100ML FE2203 PE GFAAS 16 ,100LPF Price on request E4076-500ML FE4076 Tellurium for AAS 1g/L ,500LPF Price on request E4400-100ML FE4400Lanthanum AAS conc 2% ,100LPF Price on request