图片名称

Explanation of Gem Refractometer Phenomena

When the gemstone to be tested rotates 360° on the refractometer, there is always only one shadow boundary (fixed), indicating that the gemstone is an isotropic gemstone (single refraction gemstone).

16

2023

/

03

What is an Abbe refractometer?

The Abbe refractometer is an instrument capable of measuring the refractive index nD and average dispersion nF-nC of transparent, translucent liquids or solids (among them, transparent liquids are mainly used).

16

2023

/

03