Question

Uv rays are used for detection of gems because of its property of fluoroscense ? justify

Answer 1

The quality and condition of the cuvette is critical for the measurements. ... Cuvettes for holding samples. Cuvettes are generally made of glass, plastic or quartz. Quartz cuvettes are used when absorbance is measured at a wavelength under 320 nm, as glass and plastic absorb most of the light in this range