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Infrared Spectroscopy for Plastic Moisture

Infrared (IR) spectroscopy is a powerful technique that can be used to determine the moisture content of plastics. IR spectroscopy measures the absorption of infrared radiation by a sample, and this absorption can be used to identify the functional groups present in the sample. The presence of water molecules in a plastic sample will cause the sample to absorb infrared radiation at specific wavelengths, and the intensity of this absorption can be used to determine the moisture content of the sample.

How to do moisture analysis?

IR spectroscopy is a relatively simple and inexpensive technique that can be used to determine the moisture content of plastics. The following steps are involved in performing an IR spectroscopic analysis of plastic moisture:

  1. Prepare the sample by grinding it into a fine powder.
  2. Place the sample in a sample holder and insert it into the IR spectrometer.
  3. Collect the IR spectrum of the sample.
  4. Identify the peaks in the IR spectrum that correspond to the absorption of water molecules.
  5. Use the intensity of the peaks to calculate the moisture content of the sample.

IR spectroscopy is a valuable tool for determining the moisture content of plastics. This information can be used to control the quality of plastic products and to ensure that they meet the required specifications.