phổ quang kế
Definition
- Noun:
- Spectrophotometer: A scientific instrument used in physics and chemistry to measure the intensity of light (or electromagnetic radiation) as a function of its wavelength. It quantifies how much light a sample absorbs or transmits.
Usage Examples
- Noun:
- Phòng thí nghiệm mới mua một chiếc phổ quang kế hiện đại. (The laboratory just bought a modern spectrophotometer.)
- Phổ quang kế được dùng để phân tích nồng độ dung dịch. (The spectrophotometer is used to analyze solution concentration.)
Advanced Usage
- "Phép đo phổ quang kế": Spectrophotometric measurement.
- Phép đo phổ quang kế cho kết quả rất chính xác. (Spectrophotometric measurement yields very accurate results.)
Variants and Related Words
- Quang phổ kế (n): Spectrometer. An instrument for measuring properties of light over a specific portion of the spectrum.
- Máy đo quang phổ (n): Optical spectrometer. A general term for spectrum-measuring devices.
Synonyms
- Light measurement instrument
- Optical analyzer
Related Scientific Terms
- Quang phổ (n): Spectrum. The range of wavelengths of electromagnetic radiation.
- Độ hấp thụ (n): Absorbance. A measure of the capacity of a substance to absorb light.
- Bước sóng (n): Wavelength. The distance between successive crests of a wave.