BGB Equivalent-Column Selection Support
An equivalent-column search should compare more than the stationary-phase name. BGB column selection support considers the current brand, bonded-phase chemistry, USP classification, silica characteristics, particle or film dimensions, hardware and method conditions.
Information needed for HPLC or UHPLC comparison
- Current manufacturer, column name and part number
- Stationary phase and USP classification
- Length, internal diameter and particle size
- Pore size, endcapping and pH range, where available
- Analytes, mobile phase, flow rate and detector
- System pressure limit and required system-suitability criteria
Information needed for GC comparison
- Current phase and column part number
- Length, internal diameter and film thickness
- Polarity, temperature program and detector
- Analyte class, concentration and sample matrix
How the comparison is assessed
The first stage identifies nominal chemistry and dimensions. The second stage checks selectivity-related factors and operating limits. The final recommendation is a technically reasonable candidate for laboratory evaluation—not a guarantee of identical retention or resolution.
Send Current Column DetailsRead the Selection GuideEquivalency review process
A reliable equivalency review compares chemistry, dimensions, particle or film characteristics, operating limits and application data. Experimental suitability testing remains essential.
Frequently Asked Questions
Technical answers for common BGB column selection, compatibility and quotation questions.
What information is required for a column-equivalency review?
Provide the current manufacturer, product name, part number, phase chemistry, dimensions, particle size or film thickness, method conditions and required system-suitability criteria.
Does matching a USP code guarantee equivalent performance?
No. Columns sharing a USP classification can still differ in selectivity, carbon load, endcapping, surface chemistry and particle characteristics.
Can dimensions be changed during equivalency selection?
They can be changed only after technical assessment because length, internal diameter and particle size affect pressure, efficiency, retention and sample capacity.
How is GC phase equivalency evaluated?
Compare stationary-phase chemistry, polarity, temperature limits, dimensions, film thickness and published application data.
How is LC phase equivalency evaluated?
Compare bonded chemistry, substrate, carbon load, endcapping, pore size, particle size, pH range, dimensions and selectivity data.
Will an equivalent column always produce identical retention times?
No. Even technically similar columns may produce small or significant changes in retention and resolution. Method suitability must be demonstrated experimentally.
Can Akira provide a written comparison?
Akira can assist with product identification and technical comparison based on available manufacturer documentation. The final suitability decision remains with the user laboratory.
What should be checked after installing an equivalent column?
Check pressure, retention, resolution, efficiency, tailing, sensitivity and all applicable system-suitability criteria before routine use.