Thermo Scientific Septa Caps include a bonded-in 0.045 in. thick septa. The same high quality septa caps used on our Thermo Scientific VOA Vials, septa bottles and septa jars. Processed to meet EPA performancebased specifications for Volatile Organic Analysis.
(GC)/Mass Spectrometry (MS) analysis, which were able to detect the most volatile compounds. Ten g of the strained dairy sample was immediately transferred in 20 mL head space vial containing 1 g NaCl (Aijiren, USA). The vials were sealed using crimp-top caps with PTFE/silicone headspace septa (Aijiren, USA) and
VOA VIALS are most often used for volatile organic compound analysis. Available in clear 33 expansion and amber 51 expansion borosilicate glass. Open top vials come assembled with polypropylene caps with low-bleed 0.125" PTFE/silicone septa inserted (.135" septa for E-series vials). Sizes.
VOA VIALS are most often used for volatile organic compound analysis. Available in clear 33 expansion and amber 51 expansion borosilicate glass. Open top vials come assembled with polypropylene caps with low-bleed 0.125” PTFE/silicone septa inserted (.135” septa for E-series vials). Sizes are 20mL, 40mL, and 60mL. See Cleaning Levels on page 2.
Septa Caps fit VOA vials and jars with the matching finish. The same high quality septa caps used on our Thermo Scientific VOA Vials, septa bottles and septa jars. Processed to meet EPA Performance Based Specifications for Volatile Organic Analysis.
Screw Caps for VOA Vials . High quality polypropylene caps with a 24 - 400 GPI thread for use with VOA (Volatile organic analysis) vials. As open top closures, they allow for sampling through a septum.
Septum permanently bonded to the cap for a secure seal. Thermo Scientific Economy Certified VOA Vials with 0.125" Septa are designed for water sample collection for volatile organic analysis (VOA). You get our standard 40 mL VOA vials, processed and Certified to meet EPA Performance Based Specifications for Volatile Organic Analysis.
The vials were then sealed with Teflon/silicone septa and metal crimp caps. The two samples were shaken gently for ~1 hr. One sample (A) was reserved for shore-based control studies. Headspace gas from vial B was analyzed ~36 hr after recovery to determine interstitial volatile hydrocarbons (C 1 –C 4).
We offer a wide selection of autosampler and general-purpose vials, including septa, caps, accessories, amber and clear bottles, headspace vials, polypropylene and TPX vials, center drain vials, and silane-treated vials for special applications.
Thermo Scientific™ Clear VOA Vials with 0.125″ Septa are designed for water sample collection for volatile organic analysis (VOA). Available with septum permanently bonded to the cap or unbonded for easy replacement. Perfect shoulder angle enables effortless filling without air entrapment.
Environmental Sampling Vials and Closures. Vials for use in environmental sampling; caps and septa designed for use with pre-cleaned environmental sampling vials. Products include kits and ampules, and may be available in several sizes and vial colors. Trust our low-level certified vials for Total Organic Carbon testing and sampling.
Be sure that the inside of the cap and mouth of the vial do not come in contact with anything but the sample water. (7) Carefully add 2 drops of 1:1 HCl to the vial using the eye-dropper provided. Finish filling the vial so the water “crowns” at the top of the vial. Cap the vial and invert 3 to 4 times to mix.
Generally used for volatile organic compound analysis and sample storage, our 20mL, 40mL, and 60mL VOA vials are available in clear or amber borosilicate glass with a choice of .125" or .100" PTFE/Silicone septa.
Clear vial designed for water sample collection for volatile organic analysis (VOA) Vial shoulder slope optimized to prevent air bubble entrapment. Available in the standard 40mL size. Open-top white polypropylene cap bonded with 0.060in. thin PTFE-lined silicone septum. Septum permanently bonded to the cap for secure sealing.