As @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PASN-100 Availability: In the manufacturer's stock Price on request - + Recommended E4302-100ML FE4302Matrix Mod Potassium 2% ,100LPF Price on request E4079-500ML FE4079 Thulium for AAS 1g/L ,500LPF Price on request E4075-100ML FE4075 Tellurium for AAS 1g/L ,100LPF Price on request