{"id":15913,"date":"2026-08-11T07:00:00","date_gmt":"2026-08-11T12:00:00","guid":{"rendered":"https:\/\/www.thermofisher.com\/blog\/materials\/?p=15913"},"modified":"2026-08-11T07:16:22","modified_gmt":"2026-08-11T12:16:22","slug":"simplify-quality-control-testing-with-uv-vis-custom-methods-for-pass-fail-evaluation","status":"publish","type":"post","link":"https:\/\/www.thermofisher.com\/blog\/materials\/simplify-quality-control-testing-with-uv-vis-custom-methods-for-pass-fail-evaluation\/","title":{"rendered":"Simplify Quality Control Testing with UV-Vis Custom Methods for Pass\/Fail Evaluation"},"content":{"rendered":"\n
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Article Summary<\/h2>\n\n\n\n

UV-Vis spectroscopy enables fast, non-destructive quality control by measuring sample absorbance and comparing results against predefined acceptance criteria. Automated custom methods simplify pass\/fail testing by detecting concentration errors and contamination and reducing manual interpretation, thereby helping laboratories improve consistency and efficiency across routine manufacturing workflows.<\/p>\n<\/div>\n\n\n\n

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Simplify Quality Control Testing with UV-Vis for Pass\/Fail Evaluation<\/h2>\n\n\n\n

Quality control is a critical part of manufacturing, helping ensure every product meets established specifications before it reaches customers. Whether verifying the concentration of an active ingredient or detecting potential cross-contamination between products, fast and reliable analytical testing can improve process consistency while reducing costly errors.<\/p>\n\n\n\n

UV-Visible (UV-Vis) spectroscopy offers a simple, non-destructive way to monitor many solution-based products. With newer advanced spectrophotometer models<\/a>, laboratories can go beyond basic absorbance measurement workflows by creating custom methods that automatically evaluate samples against predefined acceptance criteria, providing clear pass\/fail results in seconds.<\/p>\n\n\n\n

Using UV-Vis spectroscopy for quality control<\/h2>\n\n\n\n

Many compounds\u2014including dyes, flavor additives, caffeine, and other UV-Vis absorbing substances\u2014produce characteristic absorption spectra that can be used to identify and quantify them.<\/p>\n\n\n\n

According to Beer\u2019s Law, absorbance is directly proportional to concentration. This relationship allows UV-Vis spectroscopy to determine whether the concentration of a particular species of interest falls within an acceptable concentration range for the product. Because the technique is non-destructive, samples remain available for additional testing or downstream processing if needed.<\/p>\n\n\n\n

These capabilities make UV-Vis spectroscopy<\/a> a valuable tool for routine quality control across a variety of manufacturing environments.<\/p>\n\n\n\n

Automating quality decisions with custom methods<\/h2>\n\n\n\n

While absorbance measurements provide valuable analytical data, many manufacturing workflows require a simple answer: Does this sample pass or fail my criteria?<\/p>\n\n\n\n

A spectrophotometer with a Custom Method application addresses this question, allowing users to create workflows that automatically process the data as needed:<\/p>\n\n\n\n