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An infrared spectrophotometer is a scientific instrument used to measure the absorption of infrared light by a sample. It operates by passing infrared radiation through a sample and measuring the intensity of the light that emerges. The resulting spectrum provides information about the molecular composition and structure of the sample, making it a valuable tool in various analytical applications. Typically, these instruments are made from durable materials such as aluminum and glass, with specialized optics to ensure accurate readings.
| Wavelength range | 4000 to 400 cm-1 |
| Resolution | 1 to 4 cm-1 |
| Detector type | Thermal, photoconductive, or photodiode |
| Sample types | Solid, liquid, or gas |
| Data output | Digital or analog formats |
When selecting an infrared spectrophotometer, consider the specific wavelength range and resolution required for your applications. It's important to specify the types of samples you will analyze, as some instruments are better suited for solids, liquids, or gases. Additionally, inquire about the detector type and data output formats that best fit your laboratory's needs. Certifications and compliance with industry standards may also be relevant depending on your application.
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Most infrared spectrophotometers operate within the range of 4000 to 400 cm-1.
Yes, they can analyze solid, liquid, and gas samples.
Common detectors include thermal, photoconductive, and photodiode types.
Resolution is crucial for distinguishing between closely spaced spectral features; typical values range from 1 to 4 cm-1.
They are widely used in pharmaceuticals, environmental monitoring, food quality control, and material science.
Data can be output in both digital and analog formats, depending on the model.