Capillary electrophoresis consumables

This is an aftermarket part, not an original manufacturer part. Instrument names and part numbers identify what it fits and replaces; they remain the trademarks of their owners. The manufacturer, country of origin, rated life and warranty are stated in the quote, before you decide anything. If you need the OEM part, say so and I will quote that instead.

Capillary electrophoresis consumables

10 kDa internal standard

Replaces OEM part number: A26487

The 10 kDa marker for CE-SDS, cross-referenced to A26487. It brackets the low end of the sizing range, and migration time normalisation is calculated from it, so a degraded standard shifts every molecular weight you assign in the run rather than only its own peak. If your sizes have moved and nothing changed in the sample preparation, inject the standard on its own before you suspect the gel or the capillary. Store it as the supplier states and confirm the vial format against your tray.

Type: Internal standard
Fits: Beckman CE-SDS
Replaces: A26487
Condition: new
Price: Quoted per order, in Canadian dollars

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Before you order: if the instrument is misbehaving, tell me the symptom, not the part number. Lamps and seals get replaced for problems they did not cause. The first look costs nothing, and if this part is not the fix, I will say so.

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Capillary electrophoresis consumables

CE-SDS gel buffer

Gel buffer for CE-SDS, cross-referenced to A30341. This is a consumable the assay is validated around rather than one you pick on chromatographic grounds, so the lot and the storage matter more than the price. Sieving performance falls as the gel ages, and a batch stored warm or held too long shows up as migration times that creep and resolution that goes first between the low molecular weight markers. Check the expiry and the storage condition on arrival, and confirm the vial format against your tray before ordering.

Type: Gel buffer
Fits: Beckman CE-SDS
Replaces: A30341

CA$1,379

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Capillary electrophoresis consumables

Universal vial caps

Universal caps for Beckman CE vials, cross-referenced to A62250. A cap is the cheapest thing in the tray and the last thing anyone blames. A poor seal lets solvent evaporate across a long sequence, and a septum that cores drops fragments into the vial that can reach the capillary inlet. If you are chasing carryover or a concentration that drifts upward through a run, change the closures before you change anything expensive. Confirm the format against the vials you already run, because caps and vials are matched.

Type: Vial caps
Fits: Beckman CE
Replaces: A62250

CA$90

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Capillary electrophoresis consumables

Common moulded vials

Moulded vials for Beckman CE, cross-referenced to A62251. Moulded glass costs less than drawn tubing and the trade is dimensional consistency, which matters more in CE than in HPLC because the injection depends on the vial sitting at a repeatable height under the capillary. If injection precision has fallen off and the method has not changed, rule the vial batch out before you strip the instrument. Confirm the closure format and the tray fit against your instrument before ordering.

Type: Vials
Fits: Beckman CE
Replaces: A62251

CA$107

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Capillary electrophoresis consumables

PCR vials

PCR vials for Beckman CE, cross-referenced to 144709. Small volume vials are where evaporation shows up first, because the surface to volume ratio is high and a CE sequence can leave a sample sitting in the tray for hours. The symptom is concentration that climbs through the run, so the last injections read higher than the first. If you see that pattern, look at the closure before you look at the method. Confirm the closure format and the tray fit against your instrument before ordering.

Type: PCR vials
Fits: Beckman CE
Replaces: 144709

CA$92

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