Cr @ 1000 µg/mL in 5% HCl, 100ml Back Catalog number: VHG-PCRH-100 Availability: In the manufacturer's stock Price on request - + Recommended E4037-500ML FE4037 Potassium for AAS 1g/L ,500LPF Price on request VHG-PASN-100 As @ 1000 µg/mL in 5% HNO3, 100ml Price on request E2098-100ML FE2098 PE Mixed Cal-5 5 ,100LPF Price on request