Refractive index standards (stabilised sucrose) 1,39986 nD at 20 °C is a high quality product, with an extended shelf life to be used either as a calibrant or analytical control material for use in refractive index based methods for refractive index determination. This product can be used on any make or model of refractometer.

• Tested using a state of the art refractometer
• Manufactured gravimetrically and is traceable

It is stable for one year either opened or unopened and is presented in a convenient 15 ml dropper bottle. The product is prepared gravimetrically on a weight/weight basis. Both solute and solvent are weighed on a balance calibrated by OIML traceable weights.