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ASTM E925

Standard Practice for Monitoring the Calibration of Ultraviolet-Visible Spectrophotometers whose Spectral Bandwidth does not Exceed 2 nm

Standard by ASTM, 2022-11-04

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About This Item

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ASTM E925 is the ASTM standard for monitoring the calibration of ultraviolet-visible spectrophotometers whose spectral bandwidth does not exceed 2 nm. It helps users verify that instrument calibration remains within expected control over time, supporting dependable measurements and consistent analytical performance. For laboratories and quality-focused operations, this standard is a practical reference for maintaining confidence in UV-Vis results and reducing the risk of drift-related errors in routine testing.

ASTM E925 standard overview

The official title of ASTM E925 shows its focus on calibration monitoring rather than general instrument operation. It is intended for ultraviolet-visible spectrophotometers with narrow spectral bandwidths, up to 2 nm, where small calibration changes can affect measurement quality. As an ASTM standard, it provides a structured approach for checking calibration stability and supporting ongoing instrument control. That makes it useful for organizations that need consistent performance from UV-Vis systems used in technical or regulated work.

Where is ASTM E925 used?

ASTM E925 is commonly used in laboratories and testing environments that rely on ultraviolet-visible spectrophotometers for routine analysis. It is especially relevant where narrow-bandwidth instruments are used and calibration must be monitored as part of normal quality practices. The standard can support instrument qualification, periodic verification, and other workflows that depend on stable optical measurement. In practice, it is most valuable wherever UV-Vis data must remain consistent from one test run to the next.

Practical importance of ASTM E925

The practical value of ASTM E925 lies in helping users maintain calibration control and measurement confidence. By focusing on monitoring rather than one-time setup, it supports better consistency in testing, procurement decisions, and quality control routines. It may also reduce the chance of using a spectrophotometer that has drifted out of acceptable alignment. For organizations that depend on reliable UV-Vis results, this standard offers a clear technical reference for ongoing compliance and performance oversight.

  • Calibration monitoring for UV-Vis spectrophotometers
  • Applies to bandwidths not exceeding 2 nm
  • Supports routine instrument verification
  • Useful for quality control and compliance checks
SKU: 327df93c5a8f

  • Publication Date: 2022-11-04
  • Publisher: ASTM

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