Computer Interface for a Diode-Array Based Spectrophotometer
Author Information
Author(s): Harry L. Pardue, Steven D. Hamilton, William E. Weiser, Harris Kirk, loannis Laois
Primary Institution: Department of Chemistry, Purdue University
Hypothesis
The study aims to develop an interface for the HP8450A UV/VIS spectrophotometer to enhance its data-processing capabilities.
Conclusion
The developed interface allows for advanced data processing and real-time monitoring of reactions using the HP8450A spectrophotometer.
Supporting Evidence
- The interface allows for real-time data extraction for multiple wavelengths.
- Data processing options include nonlinear regression fitting to various models.
- The interface is compatible with both HP2100 and 1000 Series computers.
Takeaway
This study created a way to connect a special machine that measures light to a computer, making it easier to analyze data from experiments.
Methodology
The interface was developed using a 16-bit microcomputer and assembly language, allowing for data transfer between the spectrophotometer and external computers.
Limitations
The paper does not provide complete details of hardware and software, which may limit reproducibility.
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