Description
Short thread cap ND9 magnetic is a gold-coloured magnetic closure with a white silicone / red PTFE septum in UltraClean quality for automated GC sample handling. The cap features a 6 mm centre hole and is intended for CTC GC PAL and Thermo Scientific TriPlus autosamplers, offering more convenient and secure handling than conventional 11 mm magnetic crimp seals. Ready-to-use short-thread geometry simplifies vial preparation on magnetic transport and injection platforms while the silicone/PTFE combination provides a soft, chemically resistant sealing surface for routine chromatographic injections. Official CTC testing and approval support integration into validated PAL-based workflows. Packaged as 1000 pieces and offered by manufacturer Altmann Analytik, the product serves as an alternative to Chromacol reference 9-SCJM-ST101. Laboratories standardising on ND9 short-thread vials for magnetic autosampler racks can use this gold UltraClean cap where reliable magnetic pickup, defined hole diameter, and silicone white / PTFE red septum performance are required for high-throughput GC analysis.
This article is part of Vial caps & septa, in Vials, caps & septa.
Key features
- Pack size: 1000 pc(s)
- Thread type: ND9 short thread magnetic
- Colour: Gold
- Septum: Silicone white/PTFE red
- Grade: UltraClean
- Centre hole: 6 mm
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Questions about ND9 Magnetic Short Thread Cap
What is this article?
ND9 Magnetic Short Thread Cap is the article on this page. Luminix Health distributes Altmann Analytik for laboratory use. It sits in Vial caps & septa, inside Vials, caps & septa, in Chromatography equipment.
A vial cap and a septum have to match the vial neck: crimp, screw or snap, and the diameter. The septum material, PTFE/silicone or rubber, decides chemical resistance and how many times a needle can pierce it. A septum that sheds into the solvent becomes ghost peaks.
An autosampler vial is the small closed bottle a chromatograph picks up. The neck is crimp, screw or snap, and the cap and the septum have to be that neck. The septum is the part the needle pierces. A soft septum reseals. A septum that is wrong for the solvent swells or sheds particles into the sample. Inserts reduce the volume when the sample is scarce. The separation they feed is described with IUPAC names and PubChem data.
Which category should I open next?
The category is Vials, caps & septa. The sub-category is Vial caps & septa. The catalogue is Chromatography equipment.
Shelves beside this one are Chromatography accessories, Autosampler vials, Crimpers & decappers and Vial inserts.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

