Here's a sample data sheet template that can be filled out after conducting a practical on the characterization of engine oil using UV-Vis spectroscopy. You can modify this to fit specific requirements or additional parameters as needed.
UV-Vis Spectroscopy Data Sheet for Engine Oil Characterization
1. Experiment Details
Date of Experiment:
Performed By:
Course/Module:
Instructor:
Lab Location:
2. Sample Information
| Sample ID | Oil Type | Batch Number | Viscosity (cSt) | Density (g/cm³) | |-----------|-------------------|--------------|------------------|------------------| | 1 | Example Oil 1 | 001A | X.XX | Y.YY | | 2 | Example Oil 2 | 002B | X.XX | Y.YY | | ... | ... | ... | ... | ... |
3. UV-Vis Spectroscopy Settings
| Parameter | Value | |------------------------|---------------------| | Wavelength Range (nm) | 200 - 800 | | Scan Speed | Fast/Medium/Slow | | Sampling Interval (nm) | 1 | | Cuvette Path Length (cm)| 1 | | Spectrophotometer Model | Model Name |
4. Calibration Data
| Calibration Standard | Concentration (mg/L) | Absorbance (Standard) | |------------------------|----------------------|-----------------------| | Standard 1 | X.X | Y.Y | | Standard 2 | X.X | Y.Y | | ... | ... | ... |
5. Absorbance Data
| Sample ID | Wavelength (nm) | Absorbance (A) | Notes/Observations | |-----------|------------------|----------------|---------------------------| | 1 | 210 | A1 | | | | 230 | A2 | | | | 250 | A3 | | | 2 | 210 | A4 | | | | 230 | A5 | | | | 250 | A6 | | | ... | ... | ... | |
6. Data Analysis
- Peak Absorbance Wavelength(s):
- Sample 1: __________ nm
- Sample 2: __________ nm
- Comparison with Standards:
- Trends/Patterns Observed:
7. Conclusions
-
Physical Properties Correlation:
-
Implications of Results:
-
Recommendations for Future Work:
8. Group Discussion/Comments
- Group Member Contributions:
- Points for Consideration in Further Experiments:
Signature of Responsible Person:
Date:
This template should help organize the data collected during your practical on characterizing engine oil using UV-Vis spectroscopy. You can expand it based on additional parameters or requirements from your instructor or lab manual.