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With our easy-to-operate (and carry) Torion ® T-9 portable GC MS, you can virtually bring your lab to the sample. Although it was built for portability and speed, the low thermal mass (LTM) capillary GC provides equivalent chromatographic resolution and performance to a benchtop system.

Drug detection times vary depending on the dose, sensitivity of the testing method used, preparation and route of administration, duration of use (acute or chronic), the matrix that is analyzed, the molecule or metabolite that is looked for, the pH and concentration of the matrix (urine, oral fluid), and variations in metabolic and renal clearance. 2 In general, the detection time is longest

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using GC/MS. When the 100% certified canisters are shipped, the analytical documentation demonstrating that they are free of the target compounds down to the project reporting limits is emailed to the client. When sampling with certified media, it is important to note

Nov 29, 2018 · Briefly, 0.2 ml of sample was pipetted into a 15 ml centrifuge tube. This was followed by the addition of 4.8 ml of 0.05 N hydrochloric acid and dispersion of the sample using vortex mixer. The resulting solution was filtered through a 0.45 μm PVDF syringe and mixed with 0.1 ml of sodium borate buffer (pH 10.2) and 0.2 ml of NBD-F solution in

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Aug 14, 2019 · By increasing the split flow to 7.5:1 to achieve a total flow 20 ml/min, the N2 reading went down to 10%. Increasing the split flow to 50:1, the N2 reading went down to 3%. Is it irregular to operate GC-MS at split flow lower than 10:1 or should I be suspecting a leak? If so, I am suspecting it is coming from the transfer line between the inlet.

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