Tl, 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PTLN-100 Availability: In the manufacturer's stock Price on request - + Recommended E4028-500ML FE4028 Iron for AAS 1g/L ,500LPF Price on request VHG-INO3-100 Nitrate Standard: NO3-, 1000µg/ml in Water, 100ml Price on request E1347-100ML FE1347 Sulfur ICP 100mg/L ,100LPF Price on request