• Solvent Based or Stabilised sucrose Refractive Index Standards • Long shelf life (Sucrose 1 year, solvent 2 years) • Refractive Index from 1.33299 to 1.65808 • Uncertainty of measurement up to 0.00014 • Test results accredited to ISO/IEC 17025 for values in the range of 1.33310 to 1.65812 • Certificates of Analysis available on request