As @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PASN-100 Availability: In the manufacturer's stock Price on request - + Recommended E1322-100ML FE1322 Hafnium ICP 100mg/L ,100LPF Price on request E1355-100ML FE1355 Tantalum ICP 100mg/L ,100LPF Price on request E3013-100ML FE3013 Citrate for IC 1g/L ,100LFL Price on request