Bellingham + Stanley has launched a non-toxic, high RI (refractive index) calibration material for use with all makes of refractometer that have a measuring range up to 1.70 RI.

The new fluid comes in at 1.56RI and is calibrated to 5 decimal places at 20°C and at 589nm.

Applications includes pharmaceutical, chemical, petrochemical, aroma, flavour and frangrance.