Touch and Titrate

Significance of the Topic

The Metrohm 900 Touch Control addresses critical challenges in routine titration laboratories, where speed, accuracy, reproducibility and ease of use are paramount. By combining powerful microelectronics with an intuitive touch interface, it streamlines analytical workflows and reduces operator variability.

Objectives and Study Overview

This application note evaluates how the 900 Touch Control benchtop module simplifies titrimetric analyses. The main goals are to demonstrate improved throughput, ensure data integrity and enable seamless integration into laboratory information systems (LIMS).

Used Methodology and Instrumentation

Methodology:

• Touch‐activated start of titration protocols
• Automated sample detection and autostart for Karl Fischer titrations
• Built-in electrode health check to verify sensor performance

Instrumentation:

• Metrohm 900 Touch Control benchtop control module
• Ethernet interface for intranet connectivity and direct LIMS communication
• USB port for external printer, keyboard, mouse and memory stick
• Integrated PDF report generator with forge-proof file creation

Main Results and Discussion

• User experience: Up to 14 methods can be assigned to individual icons, enabling single‐touch initiation. Multiple users benefit from personalized method icons.
• Throughput and reliability: Automated electrode tests detect faults before analysis, preventing erroneous data. The autostart feature in Karl Fischer titration avoids sample loss due to premature injection.
• Data management: Results and reports can be printed on any network printer, stored on network drives or memory sticks, and sent directly to LIMS or the device archive for secure long-term storage.
• Multilingual support: Standard dialogues in German, English, French, Spanish and Chinese, with additional languages (e.g. Russian, Japanese) forthcoming.

Benefits and Practical Applications

• Reduced training effort through an intuitive touch interface
• Enhanced data integrity via forge-proof reporting and automatic electrode diagnostics
• Greater laboratory efficiency by minimizing manual steps and avoiding repeated analyses
• Flexible network integration supports QA/QC workflows and compliance requirements

Future Trends and Potential Applications

Advancements likely include expanded language packs, cloud‐based data storage, mobile device control and AI-driven titration method optimization. Deeper LIMS integration and remote monitoring will further enhance laboratory automation and data accessibility.

Conclusion

The Metrohm 900 Touch Control revolutionizes routine titration by merging PC-level performance with a smartphone-style interface. Its comprehensive feature set—automatic electrode tests, autostart functions, network connectivity and secure reporting—ensures fast, reliable and user‐friendly analytical workflows.

References

G.I.T. Laboratory Journal 3–4/2010, p. 34, GIT VERLAG GmbH & Co. KG, Darmstadt