2 days ago · Scales, Laboratory Equipment user manuals, operating guides & specifications. For quantitation, a seven-point calibration curve from 10 ppm to 1,250 ppm was created from the terpene reference standards by adding 10 µL of each pre-prepared calibration level to a 10-mL headspace vial, and capping the vial.
Nov 10, 2016 · An appropriate volume (100 µl) of the acidic supernatant was transferred to new glass screw-capped tubes and 10 µl of the internal standard (10 mg/ml of myo-inositol) was added. Samples were evaporated to dryness, reduced, acetylated and finally measured on GC–MS [38, 39].
The innovative PerkinElmer AxION® Separation Probe Column- 2. 1 mm x 100 mm facilitates chromatography directly at the ionization source. This minimizes dead volume effects in the system for superior signal-to-noise ratios, enhanced sensitivity and narrower peaks. Compatible with LC/MS systems using Flexar SQ300 or AxION 2 TOF MS.
Headspace Screw Vial found in: Headspace screw vial 20ml amber 100pk, Headspace screw vial 10ml amber 100pk, Headspace Vials, Standard 22 x 38 Crimp Top,..
Coastal methane hydrate deposits are globally abundant. There is a need to understand the deep sediment sourced methane energy contribution to shallow sediment carbon relative to terrestrial sources and phytoplankton. Shallow sediment and porewater samples were collected from Atwater Valley, Texas-Louisiana Shelf, Gulf of Mexico near a seafloor mound feature identified in geophysical surveys
Thermo Scientific™ headspace vials are available in clear or amber glass with a round or flat base, a crimp seal with a beveled or square edge finish, or with a screw-thread finish. Headspace vials, septum, and caps can be purchased in various quantities separately or together as convenience kits to fit your laboratory needs.
Headspace vial, screw top, rounded bottom (vial only) volume 20 mL, clear glass vial, thread for 18, O.D. × H 22.5 mm × 75.5 mm, pkg of 100 ea; find Supelco-SU860097 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.
was inserted into the injector port of the gas chromatography-mass spectrometer (GC-MS), and the volatiles were thermally desorbed at 250°C for 4 min. GC-MS analysis was performed using a GC system (PerkinElmer, Auto System XL GC/Turbo Mass MS, USA) equipped with a nonpolar DB-5 capillary column (30 m × 0.25 mm i.d., 0.25 μm
mL amber glass vial (O.D. 28 x 98 mm height, Supelco, Bellefonte, USA) with an open center propylene screw cap and Teflon faced silicone septum (O.D. 22 mm diam-
For the extraction of the volatile compounds 10 mL of each green tea sample was transferred into a 40 mL amber headspace vial (Supelco; Bellefonte, PA, USA). Authors used 1,3-dichlorobenzene (Sigma-Aldrich, Milwaukee, WI, USA) as an internal standard for the quantification of the volatile compounds from the samples.
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40 mL amber headspace vial (Suple co, Bellefonte, P A, USA). One mi cro liter of 1,3-dichlorobenezene (Sigma-Aldrich, Milwaukee, W I, USA) was added (concentration: 1 µg/Kg) as an internal
Vials, screw top, clear glass, 1.5 mL volume 1.5 mL, clear glass vial (with marking spot), O.D. × H × I.D. 11.6 mm × 32 mm × 4.6 mm, pkg of 100 ea; find Supelco-854171 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.
Headspace vial, beveled top, rounded bottom volume 20 mL, clear glass vial, O.D. × H × I.D. 23 mm × 75.5 mm × 12.5 mm, for use with PerkinElmer, pkg of 100 ea pricing 854978
Material: USP Type 1, Class A, 33 Borosilicate Glass
Application: Water analysis
Qty/Pack: 25pcs/pack or 100pcs/pack
Dimensions: 16 x 100mm
Neck Diameter: 16mm
Volume: 12ml
Payment: T/T
MOQ: 1 pack
Dimensions: 27.5 x 57mm/27.5 x 75mm/27.5 x 95mm/27.5mm x 140mm
Material: USP Type 1, Class A, 33 Borosilicate Glass
Application: Environmental analysis
Neck Diameter: 24mm
Qty/Pack: 100pcs/pack
Volume: 20-60ml
Payment: T/T
MOQ: 1 pack
Material: Nylon; Hydrophilic PVDF; Hydrophilic PTFE; Hydrophobic PTFE; PES; MCE; Hydrophilic PP; Cellulose Acetate(CA)
Qty/Pack: 100pcs/pack
Application: Filter
Payment: T/T
MOQ: 1 pack