The laboratory is well-equipped with the following instruments:
1. High Performance Liquid Chromatograph (HPLC)
2. Gas Chromatograph (GC)
3. Mass Spectrometer (MS)
4. Atomic Absorption Spectrometer (AAS)
5. Fluorescence Spectrometer (FSS)
6. Ultraviolet-visible Spectroscopy (UV-Vis) Photometer (UV-Vis)
7. Electrochemical Workstation
8. Ion Chromatograph
9. Infrared Spectrometer (IR)
10. Thermogravimetric Analyzer (TGA)
11. Differential Scanning Calorimeter (DSC)
12. Viscometer
13. Rheometer
14. Electron Microscope (SEM)
15. Transmission Electron Microscope (TEM)
16. Scanning Electron Microscope (SEM)
17. Atomic Force Microscope (AFM)
18. Raman Spectrometer (RMS)
19. Nuclear Magnetic **** Vibrometer (NMR)
20. X-ray diffractometer (XRD)
The above equipment can meet the various needs of the laboratory, the next will be introduced to the operation of each device steps and precautions.
I. High Performance Liquid Chromatograph (HPLC)
High Performance Liquid Chromatograph (HPLC) is a kind of instrument for separating and analyzing compounds, which has the advantages of high resolution, high sensitivity, and high accuracy, and it is widely used in the fields of pharmacy, chemical industry, and food.
Operating steps:
1. Turn on the power and start the instrument.
2. Open the software and select the analyzing method.
3. Prepare the sample and inject it into the injector.
4. Set flow rate, wavelength and other parameters.
5. Start the analysis and record the data.
Note:
1. The sample needs to be pre-treated first, such as filtration and dilution.
2. Be careful not to inject too much sample to avoid affecting the analysis results.
3. Be careful of safety during operation to avoid chemical splash.
Two, gas chromatograph (GC)
Gas chromatograph is a kind of instrument for separating and analyzing compounds, with the advantages of high resolution and high precision, which is widely used in the fields of environment, food, medicine and so on.
Operating steps:
1. Turn on the power and start the instrument.
2. Open the software and select the analyzing method.
3. Prepare the sample and inject it into the injector.
4. Set flow rate, temperature and other parameters.
5. Start the analysis and record the data.
Note:
1. The sample needs to be pre-treated first, such as extraction and concentration.
2. The gas chromatography column needs to be replaced periodically to ensure accurate analysis results.
3. Safety should be observed during operation to avoid chemical leakage.
Three, mass spectrometer (MS)
Mass spectrometer is a kind of instrument used to analyze the structure and composition of compounds, has the advantages of high sensitivity, high resolution, etc., widely used in pharmaceutical, chemical, biological and other fields.
Operating steps:
1. Turn on the power and start the instrument.
2. Open the software and select the analyzing method.
3. Prepare the sample and inject it into the injector.
4. Set the parameters of ion source and mass spectrometer.
5. Start the analysis and record the data.
Note:
1. The sample needs to be pre-treated first, such as extraction and purification.
2. The ion source needs to be cleaned regularly to ensure accurate analysis results.
3. The operation should be safe to avoid chemical leakage.
Four, atomic absorption spectrometer (AAS)
Atomic absorption spectrometer is a kind of instrument used to analyze the content of metal elements, has the advantages of high sensitivity, high accuracy and so on, is widely used in the field of environment, food, medicine and so on.
Operating steps:
1. Turn on the power and start the instrument.
2. Open the software and select the analyzing method.
3. Prepare the sample and inject it into the injector.
4. Set the wavelength, lamp source and other parameters.
5. Start the analysis and record the data.
Note:
1. The sample needs to be pre-treated first, such as acid dissolution, heating, etc..
2. The lamp source needs to be changed periodically to ensure accurate analysis results.
3. The operation should be safe to avoid chemical leakage.
V. Fluorescence Spectrometer
Fluorescence spectrometer is an instrument used to analyze the fluorescence characteristics of compounds, with high sensitivity, high resolution and other advantages, widely used in biology, medicine and other fields.
Operating steps:
1. Turn on the power, start the instrument.
2. Open the software and select the analyzing method.
3. Prepare the sample and inject it into the injector.
4. Set the excitation wavelength, emission wavelength and other parameters.
5. Start the analysis and record the data.
Note:
1. The sample needs to be pre-treated first, such as dilution, filtration and so on.
2. Pay attention to the light during the operation to avoid affecting the sample.
3. Operation should be safe to avoid chemical leakage.
Six, ultraviolet-visible spectrophotometer (UV-Vis)
Ultraviolet-visible spectrophotometer is a kind of instrument used to analyze the absorption characteristics of compounds, has the advantages of high sensitivity, high resolution and so on, is widely used in the field of pharmacy, chemical industry, environment and so on.
Operating steps:
1. Turn on the power, start the instrument.
2. Open the software and select the analyzing method.
3. Prepare the sample and inject it into the injector.
4. Set the wavelength, optical range and other parameters.
5. Start the analysis and record the data.
Note:
1. Samples need to be pre-treated first, such as dilution, filtration and so on.
2. Pay attention to the light during the operation to avoid affecting the sample.
3. The operation should be safe to avoid chemical leakage.
Seven, electrochemical workstation
Electrochemical workstation is a kind of instrument used to study electrochemical reaction, with the advantages of high sensitivity, high accuracy and so on, it is widely used in the field of materials, chemical industry and so on.
Operating steps:
1. Turn on the power and start the instrument.
2. Open the software and select the experimental method.
3. Prepare electrodes, electrolyte and other materials.
4. Set the potential, current and other parameters.
5. Start the experiment and record the data.
Precautions:
1. Pay attention to safety during operation to avoid electrolyte leakage.
2. Pay attention to the cleaning and maintenance of electrodes during operation to ensure accurate experimental results.
Eight, ion chromatography
Ion chromatography is a kind of instrument used to analyze ionic substances, has the advantages of high resolution, high precision, etc., and is widely used in the field of environment, food, medicine and so on.
Operating steps:
1. Turn on the power, start the instrument.
2. Open