¡The spectrophotometer is an
analytical instrument that makes possible
a quantitative measurement
of the light passing though a solution.
¡The spectrophotometer is also
known as a colorimeter or a spec-20.
¡This instrument has a
diffraction grating monochromator,
an electronic detection, amplification
and measuring system.
¡ It operates in a wavelength range of 390 –
800 mu.
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