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High-purity chemicals
The production of high-purity chemicals requires precise and reliable analyzers
High-purity chemicals are required for the production of semiconductors and batteries as trace contaminants can lead to defects in the final products.
Trace analysis presents special challenges to measuring devices and analytical methods. Matrix effects are usually intensified by the low concentration of the analytes. Metrohm offers integrated sample preparation, such as pre-concentration or matrix elimination, for the most accurate results.
Metrohm offers top-quality analytical instruments, know-how, and first-class, on-site service to enable and support the production and quality control of your high-purity chemicals.
Discover our latest solutions for your analysis
Your IC results are only as good as your sample vials
Download this White Paper to learn more about the influence of ions leaching into the sample from the container and how this can affect the trace analysis of ionic species.
Products
Metrohm delivers the high-sensitivity analytical solutions you need to meet the most stringent purity requirements. With techniques like ion chromatography, voltammetry, Karl Fischer titration, and spectroscopy, we help you detect contaminants at the lowest levels – ensuring product integrity, regulatory compliance, and confidence throughout the production process.
940 Professional IC Vario
One instrument – ultimate flexibility: Ion chromatograph with virtually no limitations to individual system configuration and customization.
OMNIS titrators
All-in-one potentiometric autotitrator platform: faster results, safer handling of chemicals, and maximum modularity for easier adaptability to your requirements.
2060 IC Process Analyzer
Complete and flexible system for online monitoring of ionic compounds in aqueous media from ng/L to % concentrations.
- AN-K-076Vinylene carbonate water determination via coulometric Karl Fischer titration
Vinylene carbonate is a widely used lithium-ion battery electrolyte additive that requires strict moisture control to maintain battery performance and lifetime. Accurate moisture quantification was historically limited by side reactions, complicating the analysis. The introduction of alcohol-free coulometric Karl Fischer reagents now enables precise, reproducible moisture determination, facilitating more reliable control of additive and electrolyte quality during manufacturing.
- AN-T-246Standardization of cationic surfactants by argentometric titration
The standardization of the cationic surfactant TEGOtrant is performed using potentiometric titration as well as near-infrared spectroscopy (NIRS) in this application.
- WP-097Why switch to OMNIS Client/Server (C/S)?
OMNIS Client/Server boosts business performance with scalable server management, cutting costs by reducing hardware, energy use, and maintenance across locations.
- AN-RS-049Determining phosphate concentration with Raman spectroscopy
Raman spectroscopy with PLS modeling enables rapid, accurate, nondestructive quantification of the total phosphate content in solution with minimal sample preparation.
- AN-T-234Direct comparison of OMNIS and Titrando for mixed acids and TMAH
This Application Note compares the OMNIS Titrator and 888 Titrando for determinations of nitric acid, phosphoric acid, and acetic acid in an aluminum etching bath, as well as the determination of tetramethylammonium hydroxide (TMAH). Identical analysis parameters were used, showing that OMNIS delivers results on par or even better than with other established titration systems.
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