Purity Control of Fine Chemicals Low LODs Meet High Matrix Robustness
Depending on their intended use, chemicals and reagents must be of a specific purity grade. At the same time, the chemicals in question are often corrosive acids, oxidizing agents or carry high salt loads. Our analyzers combine low LODs with high matrix robustness and help to screen for contamination with organics, metals, and other elements.
Analyze with us
- TOC in acids (excl. HCl) and salts
- TOC and total nitrogen in hydrogen peroxide
- Sulfur, nitrogen and chlorine in organic chemicals
- Trace analysis of relevant elements (e.g., V, W, Fe, Ni, Si, Co, Hg, P)
Technologies
- Total organic carbon and total nitrogen (TOC/TN)
- Combustion elemental analysis (CNSX)
- Elemental analysis (ICP-OES, ICP-MS, AAS)
Highlights
- Low LODs combined with high matrix robustness
- Effortless TOC analysis built for salt-rich samples
- Unique self-optimizing and complete combustion for S/N/Cl
Effortless TOC for Demanding Samples
Determine total organic carbon over a wide measuring range (1 µg/L–30,000 mg/L) in inorganic chemicals like H2O2, salts or certain acids using our TOC analyzers. If simultaneous total nitrogen determination is desired, choose between the traditional CLD or our unique ChD (electrochemical detector), which is maintenance-free and does not need carrier gas.
When analyzing high salt samples (e.g., CoSO4, Li2CO3) our multi N/C 3300 can be outfitted with a salt kit which extends maintenance intervals greatly. Furthermore, instrument calibration stays stable even when salt deposits form, as our TOC analyzers constantly compensate for gas flow fluctuations. To simplify your workflow, TOC water blanks of dissolved salt samples are automatically subtracted.
When analyzing acids like H3PO4, it is important to choose the right type of TOC analyzer. For optimal cost of ownership, choose our UV/persulfate digestion analyzer multi N/C 4300 UV instead of a combustion-based system.
Sulfur, Nitrogen and Chlorine Analysis of Organic Chemicals
The multi EA 5100 is uniquely suited for trace analysis thanks to complete sample combustion and highly sensitive detection — enabled by a powerful detector, optimal digestion conditions, and the absence of gas splitting.
Volatile liquid hydrocarbons (e.g., BTX, isooctane) are introduced vertically. The system’s high sensitivity and reproducibility allow for smaller sample volumes, resulting in shorter analysis times. For extremely volatile samples like pentane or ether, a cooled tray and syringe prevent sample loss during introduction and too fast evaporation.
Viscous liquids like glycerol and solids like adipic acid are introduced horizontally. Our unique flame sensor automatically optimizes the combustion process in real time, ensuring complete and reproducible analysis in the trace range.
For LPG samples, users can employ a simple liquid calibration – another benefit of the system’s complete combustion capabilities.
Analysis of further elements (e.g., V, W, Fe, Ni, Si, Co, Hg, P)
To analyze metals and other elements, choose between our ICP-OES delivering the highest sensitivity on the market, and our robust ICP-MS. If you're looking for a cost-effective alternative, our AAS system covers all relevant wavelengths with a single lamp, enabling fast and efficient sequential multi-element analysis.
Selected Application Notes
Analysis of TOC/TN in Product Quality Monitoring of Hydrogen Peroxide (EN)
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TOC Determination in Phosphoric Acid by UV Digestion (EN)
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Determination of Organic Impurities (TOC) In Raw Materials for Cathode Production in Lithium-Ion Batteries (LIB) (EN)
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Composition Analysis of an Electrolytic Etching Solution by HR ICP-OES (EN)
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Detection of Trace Elements in Urea by HR ICP-OES (EN)
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Impurities in Nickel and Cobalt Sulphate by HR-ICP-OES (EN)
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Trace Nitrogen Determination in Adipic Acid by Catalyst-Free High-Temperature Combustion and Chemiluminescence Detection (EN)
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Determination of Trace Nitrogen in Liquid Petroleum Hydrocarbons DIN51444 (EN)
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Application Note Determination of Widely Varying Chlorine Contents in Glycerol and MCT Oil by Combustion Elemental Analysis with Coulometric Titration (EN)
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Analysis of the Total Organic Carbon Content in Reinjected Brines from a Direct Lithium Extraction Process Utilizing the multi N/C 3300 (EN)
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TOC Determination in Brine Samples coming from Desalting Process (EN)
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Determination of Total Chloride in LPG and Gaseous Hydrocarbons by Microcoulometry in Accordance with UOP 910 (EN)
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