Verex Screw Caps, Pre-Assembled
Pre-assembled screw caps with septa — 8-425, 9 mm, 10-425 and 13-425
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Pre-assembled screw caps with septa — 8-425, 9 mm, 10-425 and 13-425
Caps arrive with the septum already seated, correctly oriented and dimensionally verified, which removes the most common cause of autosampler leaks and needle damage. Bonded-in septa stay in place when the needle withdraws; Locked-Fit (MSQ) septa are cleaned to MS-quality specification.
Key features
- Type 1 Class A borosilicate glass — 33-expansion clear, 51-expansion amber — with low ion content to minimise sample loss and contamination
- Critical dimensions inspected by machine-vision cameras and gauges, so vial, cap and septum fit the autosampler every time
- 100 % traceable through manufacture; a Certificate of Conformance is available by lot number
- Clean-room packaged to keep particulates out of the vial
- Certified for UHPLC, HPLC, GC, SFC and MS analysis
Available specifications
| Attribute | Options |
|---|---|
| Vial Neck Size | 10-425, 13-425, 8-425, 9 mm (9-425) |
| Septa Material | None (Unlined), PTFE / Rubber, PTFE / Silicone, PTFE / Silicone / PTFE, Polypropylene Membrane, Silicone / Polypropylene |
| Septa Type | No Septa, Non-Slit, Pre-Slit, Standard |
| Septa Mounting | Bonded-in, Locked-Fit (MSQ), Standard |
| Cap Color | Black, Blue, Green, Grey, Natural, Red, Yellow |
| Verex Product Line | Verex Cert+, Verex Cert+MSQ, Verex Certified |
| Vial Option | PFAS-Free, Standard, With Flange |
| Pack Size | 100/Pk, 1000/Pk |
Verex product lines
| Verex Certified | The standard Verex line — cleanliness and performance tested, 100 % defect-free, lot traceable |
| Verex Cert+ | Adds low-bleed caps, dimensional verification and full lot traceability with a Certificate of Conformance |
| Verex Cert+MSQ | MS-quality: ultra-clean processing and Locked-Fit septa for the lowest background in LC-MS and GC-MS |
| Standard (Value Line) | Equivalent-fit vials and closures supplied outside the Verex certification programme |
Autosampler compatibility
| Neck / closure | Typical instruments |
|---|---|
| 8-425 screw | Varian, Shimadzu |
| 9 mm (9-425) screw | Agilent, Thermo Scientific, Waters |
| 10-425 screw | Waters Alliance 2690 / 2695 |
| 13-425 screw | Waters 48-position WISP, Shimadzu |
| 11 mm crimp / snap | Most 12 x 32 mm autosamplers |
| 18 mm screw / 20 mm crimp | Headspace autosamplers (magnetic transport) |
Ordering
68 catalogue codes are available in this range. Select the configuration above and the catalogue code is shown under the selectors.
Manufacturer information
Verex™ is a Phenomenex (USA) brand. Manufacturer product page
المواصفات Verex Screw Caps, Pre-Assembled
| Vial Neck Size | 10-425 أو 13-425 أو 8-425 أو 9 mm (9-425) |
| Septa Material | None (Unlined) أو PTFE / Rubber أو PTFE / Silicone أو PTFE / Silicone / PTFE أو Polypropylene Membrane أو Silicone / Polypropylene |
| Septa Type | No Septa أو Non-Slit أو Pre-Slit أو Standard |
| Septa Mounting | Bonded-in أو Locked-Fit (MSQ) أو Standard |
| Cap Color | Black أو Blue أو Green أو Grey أو Natural أو Red أو Yellow |
| Verex Product Line | Verex Cert+ أو Verex Cert+MSQ أو Verex Certified |
| Vial Option | PFAS-Free أو Standard أو With Flange |
| Pack Size | 100/Pk أو 1000/Pk |
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