Infrared spectroscopy of ammonium metatungstate usually involves a series of analytical procedures.
- Sample preparation
Sample Selection
Obtain representative samples from Ammonium Metatungstate products, make sure the samples are well mixed and not contaminated.
Sample Processing
Dry and grind the sample as needed to ensure the homogeneity and testability of the sample.
- Instrument Calibration
Before performing infrared spectroscopy, it is important to ensure that the infrared spectrometer has been calibrated to ensure the accuracy of the test results. Calibration usually includes checks on wavelength accuracy, baseline stability, etc.
- Infrared Spectroscopy Steps
Placement of the sample
Place the processed sample in the sample chamber of the infrared spectrometer to ensure that the sample is uniform and stable.
Setting parameters
According to the characteristics of Ammonium Metatungstate and testing requirements, set the parameters of infrared spectrometer such as scanning range, resolution, scanning speed and so on.
Scanning range
Generally, the scanning range is set to cover the main infrared absorption peaks of Ammonium Metatungstate, such as 400~4000 cm-1.
Resolution
Set according to the test requirements, usually a higher resolution can provide more detailed spectral information.
Scanning Speed
A moderate scanning speed can ensure the accuracy and repeatability of the data.
Scanning Sample
The infrared spectrometer is started, the sample is scanned and the spectral data is recorded.
Data Processing
Use data processing software to process the spectral data, such as baseline correction, smoothing, peak recognition, etc.
- Result analysis
According to the processed infrared spectrogram, the main infrared absorption peaks of ammonium metatungstate can be observed, which correspond to the vibration modes of different chemical bonds in the ammonium metatungstate molecule. By comparing the standard spectrograms or consulting the related literature, the chemical bonds or functional groups corresponding to each absorption peak can be identified, and then the molecular structure and chemical composition of ammonium metatungstate can be analyzed.
Infrared spectroscopy of ammonium metatungstate is an effective analytical method for studying its molecular structure and chemical composition. Through the steps of preparing representative samples, calibrating the instrument, setting parameters, scanning the samples and processing the data, accurate and reliable infrared spectrograms can be obtained and in-depth results can be analyzed. In the result analysis, attention should be paid to comparing the standard spectrograms or consulting related literature to ensure the accuracy and reliability of the analytical results.
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