Vials and well plates

Flat bottom inserts • For samples, where the volume is between 300 μL down to 35 μL but still the need is for minimal wall contact and interactions Gaseous samples Headspace vials are the most popular vials for the analysis of gases and are suitable for headspace and SPME experiments. These products are suitable for GC systems. Sample storage

Headspace Glass Vials & Headspace Caps - Aijiren

Aijiren headspace vials come in two basic sizes (10 mL glass vials and 20 mL glass vials; Crimp caps are most common however many customers use screw sample and application dependent; clear glass vials and amber vials are available; 11 mm caps, 18 mm caps, and 20 mm caps are engineered to prevent sample contamination while providing consistent, secure seals.

Autosampler Vials & Caps for HPLC & GC | Aijiren Tech

Standard 2 mL screw top vial-cap kits; including. SureStop vials with AVCS caps. 4, 8, 12, 16, 20, or 40 mL vial-cap kits. 20 mL glass screw top vials with 24 mm caps. Innovative technology ensures proper vial-cap seal every time. For use with environmental analyses under EPA regulations.

Aijiren Chromatography Guide - Reference Guide 202 - 2003

Sep 26, 2019 · Flat Bottom Headspace Crimp Top Glass Vials (100/Pk) Part No. Flat bottom Headspace, 20 mL, 23 x 75 mm P/N , . Flat bottom Headspace, 10 mL, 23 x 46 mm . Rounded Bottom Headspace Crimp Top Glass Vials

Analytical Vials - Sigma-Aldrich

Analytical Vials. Vials play a significant role in analytical analysis and result reproducibility. Vials must be inert and free of extractables or leachables to prevent affecting results. Using certified, application-specific, contaminant-free vials can significantly reduce risk. We offer a broad spectrum of Supelco ® products including

Aijiren GC Catalog | Liquid Chromatography–Mass Spectrometry

Flat Bottom Headspace Crimp Top Glass Vials (100/Pk) Flat bottom Headspace, 20 mL, 23 x 75 mm Flat bottom Headspace, 10 mL, 23 x 46 mm Part No. P/N , . Rounded Bottom Headspace Crimp Top Glass Vials 20 mm beveled crimp top creates a much tighter seal than flat crimp surface. Designed for Perkin-Elmer.

Lyophilization of Parenteral (7/93) | FDA

A small glass bottle with a flat bottom, short neck and flat flange designed for stoppering. VIRTUAL LEAK In the vacuum system a virtual leak is the passage of gas into the chamber from a source

Storage vial-Aijiren Vials for HPLC/GC

The vial caps of the storage series are made of the main quality polypropylene, which combines innovation with time-saving convenience. The chemically inert vial cap produced by this method truly combines the septum and the plastic cap at the molecular level, which can avoid excessive evaporation and keep the sample vial properly sealed.

Effects of bacterial cultures, enzymes, and yeast-based feed

Feb 11, 2021 · A pulse dose of 0.1733 g (15 NH 4) 2 SO 4 10.2% atom excess (Sigma-Aldrich Co.) was infused into each fermenter to create a steady-state of 15 N. Then ( 15 NH 4 ) 2 SO 4 was continuously added to the system as a marker in the artificial saliva at a rate of 0.077 g/L until the end of each experimental period.

Contribution of litter layer to soil greenhouse gas emissions

placed over the LR plots to prevent new litter input. On all 24 plots, PVC collars of 20 cm diameter and 10 cm height were inserted carefully 2–3cmintothe ground to be used as closed headspace chambers to collect air samples. Between July 2012 and February 2013 air samples were collected 22 times and soil sam-ples 8 times.

Vials & Caps General FAQ – MicroSolv Technology Corporation

Vials with small volume internal ID are designed to allow the user to use most of the sample which may be too low for the injection needle to reach with standard, flat-bottom vials. One drawback, is that filling microvials can lead to bubble formation in some cases requiring the user to physically shake the bubble []

Avoid Excessive Evaporation Headspace Vials 20ML India-HPLC

Aijiren Vials and Sample Containment Solutions BrochureHowever, substandard vials, caps, and septa can lead to sample loss, Headspace vials . Aijiren vials: Better ana Tel:8618336073276

Headspace vial-Aijiren Vials for HPLC/GC

The screw headspace vial caps combine innovation with time-saving convenience, precise manufacturing tolerances, and a controllable manufacturing environment. The vial cap produced by this patented method truly combines the septum and the cap at the molecular level to avoid excessive evaporation and keep the sample vial properly sealed.

Avoid Excessive Evaporation Headspace Vials Certified 20ML

Jan 27, 2016 · The vial’s wide opening allow for samples to be easily added, and all 20mL headspace vials are available with a marking spot. Snap Seal Vials and Snap Top Caps for 96-Square Deep Well Microplates From J.G. Finneran Jun 24, 2013

In-line coupling headspace liquid-phase microextraction with

Feb 19, 2010 · The sample solution of 6.0 mL was transferred into a 14-mL flat-bottom sample vial. The laboratory-made cover unit of the sample vial consisted of a vial cover and a cover plug, which was made of polytetrafluoroethylene and silicone rubber, respectively. Each of them had a slot from its edge to centre, as depicted in Fig. 1 (1).