Combustion Ion Chromatography – automated determination of halogens and sulfur in solid and liquid samples
Metrohm presents Combustion IC (CIC), a fully automated system for the simultaneous determination of halogens and sulfur in widely differing matrices. With CIC, unlike with alternative methods the concentrations of the different halogens can each be shown separately. Moreover, digestion by pyrolysis is superior to offline digestion methods with regard to sample throughput and precision and correctness of results. CIC is ideal…
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Great stability of instrument, except Phosphate peak.
Environmental
We're using supp 4 column, the result is great. The area count of Phosphate was drifted easy (over 8%) in two months. It should relate to MSM.
Review Date: 13 Dec 2023 | Metrohm AG
A sturdy and reliable IC. Combustion is not yet ideal.
PFAS
So far, the first 6 months of the instrument's life have been plagued with reproducibility and method-based issues. We have yet to successfully generate data that any of our user groups would be willing to include in publishable work. The limit of detection is far higher than what we had expected based on marketing information, and information from [eer institutions. The general upkeep is also far greater of a cots than had been predicted. The lifespan of the combustion reactions and the autosampling equipment is much shorter than we had anticipated and budgeted for. All of the shortcomings we see with this device/methodology are within the combustion aspect. The IC (930) itself is robust, reliable, and extremely trustworthy. It is the combustion aspect that is not yet proven to be good enough for our user groups.
Review Date: 5 Dec 2023 | Metrohm AG
Great instrument, very easy to use!
Titrations
The TiTouch titrator is extremely versatile, allows for both potentiometric and spectrophotometric titrations.
Review Date: 1 Dec 2023 | Metrohm AG
Great results, improvement over competitor model used in the past
Analyze hydrocarbon samples
Able to achieve high throughput with reliable data. Operation is easy follow.
Review Date: 1 Dec 2023 | Metrohm AG
Great
Environmental analysis
Easy to use
Review Date: 27 Nov 2023 | Metrohm AG
Simplicity at the service of the laboratory technician
Analyze the water of the waste treatment plant
Metrohm 881 Compact IC Pro is very simple to use: it was the first ion chromatograph I used and continue to use. In the plant where I work it is used for the determination of anions in waste water and in that of the thermal cycle. The results obtained in recent years are very accurate and repeatable, based on those found by external laboratories: this allows you to always have the parameters of both the water leaving the system and that used for the production of heat and electricity under control. I have not found any particular defects while the strong point of the tool and the program is their ease of use.
Review Date: 27 Nov 2023 | Metrohm AG
Non posso vivere senza. I can't live without it.
Analisi di rifiuti Waste analysis
Si ottengono risultati di qualità e ad elevata riproducibilità. Strumento di facile manutenzione e facile da utilizzare anche per un tecnico alla sua prima esperienza. Dimensioni sufficientemente ridotte da potersi ben adattare agli spazi del nostro laboratorio. Quality results with high reproducibility are obtained. Easy-to-maintain and easy-to-use tool even for a first-time technician. Small enough to fit well into the spaces of our laboratory.
Review Date: 27 Nov 2023 | Metrohm AG
Great results
Analyze nutrients
Easy to use and accurate results
Review Date: 27 Nov 2023 | Metrohm AG
Complicated configuration of the equipment
Environmental analysis
Reproducible results Equipment difficult to use
Review Date: 27 Nov 2023 | Metrohm AG
Great result and accuracy.
Analysis of food samples
effective, and results provided in trace level.
Review Date: 17 Jan 2023 | Metrohm AG
Metrohm presents Combustion IC (CIC), a fully automated system for the simultaneous determination of halogens and sulfur in widely differing matrices. With CIC, unlike with alternative methods the concentrations of the different halogens can each be shown separately. Moreover, digestion by pyrolysis is superior to offline digestion methods with regard to sample throughput and precision and correctness of results.
CIC is ideal for routine analysis in a variety of fields, as it neither prior knowledge about the sample matrix nor complicated method development are required. CIC is recommended for quality control of raw materials, intermediates and finished products, and is also suitable for straightforward monitoring of compliance with the relevant laws and standards in the environmental field (e.g. DIN EN 228, IEC 60502-1, RoHS, WEEE, ...). Thus, CIC enables determination of halogens and sulfur in all kinds of fuels, lubricants, additives and other petroleum products, as well as in polymers, flame retardants, textiles, special chemicals, catalysts and all kinds of waste.
The new CIC system consists of a Combustion Module from Analytik Jena and an absorption and IC part from Metrohm. Sample digestion is controlled automatically by a flame sensor. The flame sensor measures the light from the pyrolysis oven and controls the feed rate of the sample boat into the oven in proportion to the intensity of the light emitted during combustion. Thus, duration of the combustion is optimized so that combustion of the sample is always complete (soot prevention), while time consuming delays of throughput are avoided.
Thanks to the automated control of the sample digestion, method development for combustion is no longer needed; both different matrices and different sample quantities can be treated using the same, universal «method».
The complete system, including sample delivery, sample digestion and analysis, is controlled by MagIC Net™, the proven software for ion chromatography.
Inline Sample Preparation - Ion Chromatography User Guide
Crystal clear, clinically pure, no bacteria and no particles: this would be an ideal sample for ion chromatography. The real world is often different. Apart from the ions to be determined, the samples contain matrix components which may be aggressive or lead to precipitation in the system. They can sometimes make analysis difficult, if not impossible. Samples with a high load of matrix components can damage the separation column or lead to blockages in the system. That is why suitable sample preparation is essential for reliable and accurate analysis.
Halogens in a Polymer Sample: According to Restriction of Hazardous Substances Directive
The restriction of hazardous substances directive (RoHS) requires the reduction of halogen content in several organic materials used in electrical and electronic equipment. In this context, there is a huge interest for using halogen-free polymers. To check for halogens in polymers, Metrohm Combustion Ion Chromatography applies flame sensor technology and Inline Matrix Elimination as an indispensable method. The examined polymeric material contains halogens at a level of up to 1%.
Recovery of Chloride, Bromide and Sulfate in Certified Reference Materials
Combustion ion chromatography (IC) combines pyrohydrolytic sample combustion and absorption of the evolving combustion gases in an oxidizing aqueous solution that is then fed into an ion chromatograph for analysis of halides and sulfur (as sulfate). The combustion and analysis of certified reference materials (CRMs) proves the reliability of the Metrohm Combustion IC.
Iodine in a Pharmaceutical Product: Applying Combustion Ion Chromatography with Inline Matrix Elimination
Iodine content in numerous iodinated X-ray contrast media (ICM) is approximately 50%, and is best determined by Combustion IC. For complete absorption of the iodine, high amounts of H2O2 (1000 mg/L) are required. Similarly, concentration of the internal standard should be 50 mg/L. The water content in the ICM is determined via Metrohm’s Karl Fischer oven method and has to be considered in the final calculation.
Total and Leachable Concentration of Halogens and Sulfur in Latex Gloves
Latex gloves are used in cleanroom environments to eliminate contaminants. In nuclear power plants, the use of gloves containing corrosive materials such as halogen or sulfur is restricted. For analysis of the total halogen and sulfur content, combustion ion chromatography (IC) is used. To characterize if gloves are free of leachable halogen and sulfur compounds, a leach test is required.
Analysis of an Ion Exchanger: Applying Metrohm Combustion Ion Chromatography
The production of ultrapure water for the pharmaceutical or semiconductor industry requires high-quality ion exchangers. Metrohm Combustion ion chromatography (IC) is an invaluable tool for testing the purity of anion-exchanger materials. The initial sample was wet and had been dried at 105 °C in a special oven with waste air removal.
Analysis of a Liquid Mixed Standard with Metrohm Combustion Ion Chromatography
This Application note shows the determination of fluoride, chloride, bromide, and sulfur (as sulfate) in an ethanolic standard solution containing haloorganic (4-halobenzoic acids; F, Cl, and Br) and sulfurorganic compounds (3-(cyclohexylamino)-1-propanesulfonic acid) by Metrohm Combustion IC applying flame sensor technology and Inline Matrix Elimination.
Chloride and Sulfur in Cyclohexane
Cyclohexane is an important organic solvent. Recycled cyclohexane needs to be checked for traces of chloride and sulfate, for example. This application note describes Metrohm Combustion Ion Chromatography, applying flame sensor technology and Inline matrix elimination as the method of choice.
Combustion Ion Chromatography: Sulfur and Halogen Determination.
This article looks at a fully automated combustion ion chromatography (CIC) system that combines ion chromatography (IC) with a combustion unit. CIC allows the simultaneous trace analysis of halogens (F, Cl, Br, and I) and sulfur in any combustible sample matrix.
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