I'm not aware of any guideline stating that non-slit septa are a must in an regulated environment. And I don't know why the state of the HPLC is 

Used primarily for routine analysis in gas chromatography. Offers moderate ability to reseal and good chemical inertness. Not recommended for multiple 

Center Flash, Septa Insertion Chemical Test – HPLC Test – Non-volatile residue, GC Test – Volatile Residue LC Certified Vials are available with or without 

PTFE/Synthetic red rubber septa are an economical choice for general GC and HPLC applications. Used primarily for routine analysis in gas chromatography with 

Clearly I had a vial to vial variation issue. What I found in my case was that I had oxidation issues. I ended up adding sodium metabisulfite to 

1.2ml clear MRQTM vials and blue snap caps with silicone/PTFE septa caps offering assured quality and compatibility with many HPLC and GC autosamplers.

Results 1 - 8 of 8 Aijiren Tech™ Septa for 8-425 Screw Thread Caps are constructed of PTFE, PTFE/rubber, or PTFE/silicone to suit a variety of HPLC, GC ...

Certified Vials ; CERT95E-12, LC/GC Certified Clear Glass Vial with Graduated Spot, Bonded PTFE/Silicone Septa, 100 ; CERT95E-12A, LC/GC Certified Amber Glass 

2 ml Crimp Top Clear & Amber Glass vial with & without write-on spot. 4 ml Screw Top Clear Glass vial with cap & Septa. 1 ml Clear & Amber Shell Vial with 

Besides all standard items for almost all common instruments in the chromatography market, La-Pha-Pack® also carry out special production runs of vials, septa 

Mar 22, 2020 Chromatography vial closures also referred to as seals, are the combination of a cap and septa. To ensure reliable analyses, it is therefore ...

Mar 26, 2021 - Plastic screw cap and rubber PTFE septa is for chromatography autosampler vial. #septa #screwcap #scrwecover #autosamplervial #chromatography 

Jul 10, 2012 The significant presence of septum-related ghost peaks, causing interference in routine gas chromatography–mass spectrometry analyses at ...

including septa, caps, accessories, amber and clear bottles, ... engineered, and manufactured for optimum performance in HPLC, GC/MS, LC/MS, ...

Headspace Silicone Convenience Kit contains everything you need to run Gas Chromatography. Each product is manufactured using strict quality control