1000 ppmC standard KHP, 100ml Back Catalog number: 511-946 Availability: In the manufacturer's stock Price on request - + Recommended E1365-100ML FE1365 Ytterbium ICP 100mg/L ,100LPF Price on request E1330-100ML FE1330Lutetium ICP 100mg/L ,100LPF Price on request E1389-100ML FE1389Germanium ICP 10mg/L ,100LPF Price on request