gem refractometer
Validating a refractometer to evaluate immunoglobulin G concentration in Jersey colostrum and the effect of multiple freeze–thaw cycles on evaluating colostrum quality
zincblende refractometer
Bertrand refractometer
Differential Refractometer
Butvro refractometer
refractometer, zincblende
duplex refractometer
refractometer, Rayner
refractometer, Dialdex