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11 mm crimp vials (ND11)

11 mm crimp-neck glass vials, 11.6 × 32 mm: 2 ml vials in clear and amber, with or without a write-on spot, and 0.3 ml vials with a base-bonded micro-insert.

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Compare 11 mm crimp vials (nd11)

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Start from your autosampler: it decides the vial size and neck. Then pick the glass colour and the cap.

Step 1: Neck size and closure

NeckClosureTypical use
9 mm short thread (9-425)Screw cap with septumThe most common HPLC format; wide opening, easy to fill
8 mm (8-425)Screw cap with septumOlder and some specific autosamplers
10 mm (10-425)Screw cap with septumSpecific autosampler models
11 mm crimp or snapAluminium crimp cap or snap capGC and volatile samples (crimp seals tightest)
18 mm and 20 mmMagnetic screw or crimp capHeadspace GC

Standard 2 ml vials measure 11.6 × 32 mm (often written 12 × 32 mm). Check the vial format in your autosampler manual; a free sample lets you test the fit in your rack.

Step 2: Clear or amber glass

Use amber glass for light-sensitive compounds. Use clear glass for everything else, so you can see the fill level and any particles.

Step 3: Caps and septa

PTFE/silicone septa suit most HPLC and GC work and reseal for repeat injections. Pre-slit septa reduce needle wear and stop a vacuum forming in the vial. Order caps and vials together: on EROHE, equal packs of 9 mm vials and caps get 5% off both.

Step 4: Small sample volumes

For volumes under 1 ml, use a glass insert in a standard vial, or a vial with a built-in conical insert, so the needle can still reach the sample.

Questions buyers ask

Why choose a crimp vial over a screw vial?

A crimped aluminium cap compresses the septum evenly and seals tightly, which limits evaporation of volatile samples in long GC sequences.

What do I need to close crimp vials?

11 mm aluminium crimp caps (ND11) and a hand crimper. A decapper makes removal easier.

Can I use 11 mm crimp vials on an HPLC autosampler?

Yes, if the autosampler accepts 11.6 × 32 mm crimp vials. Check the vial format in your autosampler manual.