Remote Sample Definition

Importance of the topic

Modern analytical laboratories face increasing demands for higher throughput, data integrity, and reduced operator intervention. Automating sample registration and parameter entry directly addresses these needs by eliminating manual errors and standardizing workflows. The OXSAS Remote Sample Definition option enhances integration of Thermo Scientific OES and XRF spectrometers within laboratory information management systems and production environments.

Objectives and overview

The primary aim of the OXSAS Remote Sample Definition option is to automate the import of sample identities and analytical parameters from external software into OXSAS, avoiding redundant operator input. This functionality supports both single-sample and batch workflows, enabling laboratories to predefine complete analysis sequences for OES and XRF instruments.

Used methodology and instrumentation

The solution relies on a simple TCP/IP client–server protocol that exchanges ASCII messages terminated by a null character. Key methodological features include:

• Surveying instrument status via a watchdog
• Retrieval of available tasks, methods, type standards, and grades
• Definition of samples one by one or in batches with up to 10 identity fields and 15 manual input values
• Acknowledgment messages that can include analysis results

Instrumental components consist of Thermo Scientific OXSAS software on OES and XRF spectrometers, an optional autosampler for fully unattended runs, and an external PC or networked application that prepares and sends sample definitions.

Main results and discussion

Practical use cases demonstrate significant improvements in operational efficiency and data accuracy:

• External systems can preload daily production batches, ready for immediate analysis.
• Operators launch fully automated XRF sequences once samples are on the autosampler.
• Real-time monitoring and diagnostic tools display exchanged messages for troubleshooting.
• Operators retain the flexibility to exit remote‐definition mode for urgent or manual analyses without interrupting batch registration.

These capabilities reduce setup time, prevent transcription errors, and streamline integration with LIMS and manufacturing execution systems.

Benefits and practical applications

• Time savings through elimination of manual data entry
• Enhanced data integrity and reproducibility
• Seamless integration with external software and automation platforms
• Support for both manual intervention and unattended operation

Future trends and application possibilities

Emerging developments may include cloud‐based remote control, AI-driven sample scheduling and pre-analysis screening, enhanced cybersecurity measures for communication protocols, and expanded compatibility with additional spectrometer models and third‐party LIMS solutions.

Conclusion

The Thermo Scientific OXSAS Remote Sample Definition option offers a robust, flexible solution for automating sample management on OES and XRF spectrometers. By streamlining workflow integration, reducing errors, and supporting both manual and fully automated modes, it significantly enhances laboratory productivity and reliability.

Reference

Thermo Fisher Scientific. OXSAS software option for Thermo Scientific OES and XRF spectrometers. Product Specifications PS41083-EN, 2018.