Analyses were performed on an Agilent 7890A ... gas. Two-layer sandwich injections of 1 μL of sample and 0.5 μL of MTBSTFA with 1% TBDMCS were performed in pulsed splitless mode at 25 psi until 0.5 ...

A method was developed for determination of 7 indictors the polychlorinated biphenyls (PCBs) residues in porphyra by gas chromatography (GC ... The GC system consisted of an Agilent 7890A GC (Agilent ...

The Agilent ... play GC channels with electronic gas control, injector, narrow-bore column and detector all in one, for fast, high efficiency separations. Micro Gasifier- Assure your sample ...

A recent study conducted at the University of Georgia, (Athens, Georgia) presented a validated method for quantifying 18 ...

Together with the Agilent 7890A GC System, the 240 Ion Trap GC/MS delivers unparalleled capabilities for both research and routine applications. Its outstanding combination of analytical ...

They laid out a large network of gas sampling sites in commercial corn and soybean fields under conventional, conservation, and no-tillage management. Imagine a field fitted with tiny ground-level ...

"The Altair 5X multi-gas detector has a pump that allows direct gas sampling from risk areas. This device can detect gas leaks within an approximately 10-foot radius and is suitable for use in ...

The four-person group used drones to go inside the crater of a volcano for samples of gas. Chief UAF Drone Pilot Jason Williams says the drones were used to gather specific data. “Investigate ...

However, as shown in Figure 2, despite the use of a back pressure valve, pulsations still caused fluctuations ... sodium sulfate and concentrated via rotary evaporation for gas chromatography (GC) ...