What Is Ion Chromatography IC?
High-precision Ion Chromatography (IC) is a sophisticated form of liquid chromatography used to separate and quantify ionic and polar compounds in aqueous and complex matrices with high precision and accuracy. IC analysis is used to obtain highly accurate data on the concentrations of ions in aqueous solutions and matrices, and it is highly valued by chemists, researchers, and materials scientists for its ionic composition intelligence capabilities.
Applications and Benefits of Ion Chromatography IC Testing
Scope
IC separates ionic species through an ion exchange chromatography column, followed by suppressed conductivity and/or other selective detectors for identification and quantitative determination of various anions and cations in a single analysis at trace concentration levels.
IC analysis evaluates:
- Quantitative anion and cation concentration measurement in aqueous and complex sample matrices
- Trace ionic contamination detection and identification in materials, surfaces, and process fluids
- Inorganic anion analysis, including fluoride, chloride, nitrate, sulfate, and phosphate ions
- Cation analysis, including sodium, potassium, calcium, magnesium, and ammonium species
- Ionic cleanliness assessment of electronic assemblies, components, and manufacturing process fluids
Applications
- Electronic assembly and PCB ionic cleanliness testing and contamination screening
- Water and process fluid quality assessment for industrial and manufacturing applications
- Pharmaceutical and chemical formulation ionic impurity and contamination analysis
- Environmental water sample analysis for inorganic anion and cation quantification
- Materials and surface ionic contamination investigation for failure analysis programs
Benefits
- Provides high precision simultaneous anion and cation quantification in complex sample matrices
- Identifies trace ionic contaminants in materials, surfaces, and process fluids
- Supports material characterization and ionic contamination investigation programs
- Reduces contamination risk by detecting ionic impurities early in the material qualification cycle
Our Testing Procedure
Sample Preparation
Samples extracted, diluted, or filtered for IC injection and analysis.
1Ion Chromatographic Separation
Ionic species separated across ion exchange column by charge affinity.
2Conductivity Detection
Separated ionic species detected generating quantitative concentration response signals.
3Data Analysis & Reporting
Chromatographic data processed to generate ionic identification and concentration results.
4Test parameters and requirements
| Parameter | Details |
|---|---|
| Applicable Samples | Aqueous solutions, process fluids, electronic assemblies, pharmaceuticals, environmental samples |
| Analytical Technique | Ion exchange chromatography with suppressed conductivity detection |
| Detection Capability | Trace anion and cation detection at parts-per-billion levels |
| Measured Parameters | Ionic species identity, retention time, and quantitative concentration |
| Measured Outputs | Ionic identification, concentration data, chromatograms, test compliance result |
- Calibrated ion chromatography system with an ion exchange column separation
- Suppressed conductivity detection system for anion and cation measurement
- Ionic reference standards for compound identification and quantitative calibration
- Sample preparation equipment for extraction, filtration, and dilution procedures
- Specialist chromatographic data acquisition and processing software
- Data reporting and ionic concentration profile visualization system
Equipment and Instrumentation Used for Testing
What You Receive: Test Report, Data, and Certification
- IC chromatograms with ionic species identification and retention time data
- Quantitative anion and cation concentration results for all analyzed samples
- Trace ionic contamination identification and concentration data
- Test compliance result assessed against the defined method and material specification criteria
- IC analytical report
Ion Chromatography IC FAQs
It is an analytical technique that separates and quantifies ions or charged particles in a solution. This method widely analyzes anionic and cationic species in different procedure samples with high precision and accuracy.
It is capable of quantifying a large number of anions and cations, including inorganic ions such as Chloride, Nitrate, Sulfate, Lithium, Sodium, Potassium, and even some organic molecules like proteins and amino acids that exhibit pH-dependent ionization behavior.
IC is used for both anionic and cationic analytes but must be performed separately. Thus, in an anion-exchanger column, the anionic analyte molecules will be retained within the column as they exchange places with the anionic counter-ions in the stationary phase, and the cationic analyte molecules will exit the column with the mobile phase. Similarly, cationic analytes will be retained within a cation exchange column.
IC analyzes aqueous solutions, process liquids, surface extracts, electronic assemblies, pharmaceutical formulations, and environmental water samples, providing quantitative identification and concentration of ionic compounds across a broad range of liquids and extracted solid samples.
Types of detectors used in ion chromatography analysis are as follows. Conductivity Detectors, Electrochemical Detectors, Photodiode Array Detectors, Mass Spectrometry Detectors.
Ion chromatography (IC) testing separates and measures ionic compounds in a sample. The sample passes through a chromatographic column, where ions separate based on their interactions with the stationary phase. A detector measures the separated ions, allowing the laboratory to identify and quantify substances such as chloride, fluoride, nitrate, sulfate, and other anions or cations.
A contract laboratory performs ion chromatography analysis by preparing the sample, selecting the appropriate separation method, and running it through an IC instrument. Calibration standards and quality-control samples help verify measurement accuracy. The laboratory reports identified ions and their concentrations, typically in mg/L, ppm, or another unit appropriate to the sample.
Ion chromatography separates charged particles, called ions, based on their interactions with an ion-exchange column. As the liquid sample passes through the column, different ions travel at different rates and reach the detector at different times. The resulting chromatogram identifies ions by retention time and determines their concentrations from peak areas compared with calibration standards.
Why Choose Infinita Lab for Ion Chromatography IC Testing
When your Ion Chromatography IC results have to hold up - for compliance, a customer audit, or an engineering decision - accuracy and an unbiased third-party report matter more than price. Infinita Lab routes your ion chromatography IC testing to ISO/IEC 17025-accredited U.S. partner labs with hands-on method experience, so you get defensible data, transparent reporting, and turnaround times built around your project deadline - not ours.
Looking for an Accredited Partner for Ion Chromatography IC Testing?
Send query us at hello@infinitalab.com or call us at (888) 878-3090 to learn more about our services and how we can support you.
