Applied Biosystems 785A Programmable HPLC UV Absorbance Detector
The Applied Biosystems 785A Programmable HPLC UV Absorbance Detector is a variable-wavelength absorbance detector used to monitor analytes as they pass through an HPLC flow cell. Applied Biosystems documentation identifies the 785A as a programmable absorbance detector within capillary liquid chromatography systems, where it monitors the elution of proteins and peptides as they pass through the capillary flow cell.
UV absorbance detection provides a chromatographic signal that can be used to observe separated compounds and relate detector response to retention behavior. The 785A therefore serves as a detection module within a liquid chromatography workflow rather than as a standalone separation device. Its programmable character is relevant to analytical methods in which detector settings must be incorporated into an established HPLC method.
Key Features
- Manufacturer: Applied Biosystems.
- Model: 785A.
- Programmable UV/visible absorbance detector.
- Designed for HPLC and capillary liquid chromatography workflows.
- Uses a flow cell to monitor eluting analytes.
- Applicable to analytical detection of proteins, peptides, and other chromatographic analytes when the method uses UV/visible absorbance.
Applications
The 785A is relevant to liquid chromatography laboratories performing analytical separations where UV/visible absorbance is used for chromatographic detection. Applied Biosystems documentation places the detector within protein and peptide mapping workflows, and the instrument has also been associated with the company’s capillary LC and protein-sequencing systems.
For replacement or system-maintenance applications, the 785A model designation helps identify the detector module within older Applied Biosystems chromatography platforms. Compatibility with a particular HPLC configuration should be confirmed from the system documentation and required flow-cell arrangement rather than inferred from the detector name alone.
Additional Benefits
- Local pickup available in Houston, Texas.
- Free shipping on select products within the USA.
- International shipping via FedEx available upon request.
Contact us today to request a customized quote and help ensure your laboratory or industrial workflow operates efficiently using Applied Biosystems 785A HPLC UV Absorbance Detector.





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