Optical component of UV spectrometer is made up of
Question and options
Optical component of UV spectrometer is made up of
- Glass
- Quartz
- Sodium chloride
- Plastic
Answer and explanation
Correct answer: B - Quartz
Glass absorbs below about 350 nm, so UV spectrometer optics and cuvettes are made of quartz (fused silica), which is UV-transparent. Sodium chloride (rock salt) is used for infrared optics, and ordinary plastics absorb UV much as glass does.
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