Chemical Engineering Question: Download Questions PDF
What is a good method of analyzing powders for composition?
Answer:
A method known as Fourier transform-infrared (FT-IR) spectroscopy is often used for this purpose. FT-IR sends light beams of varying wavelength through the sample and the reflected light is analyzed by spectroscopy to find the absorption of each wavelength. The measured wavelengths are compared with a reference laser and the sample composition can be calculated. Analect Instruments Inc. specializes in FT-IR measurement.
Download Chemical Engineering Interview Questions And Answers
PDF
Previous Question | Next Question |
What are some common problems associated with bellow expansion joints? | What is a common source of error in determining the percent spent caustic in refinery applications? |