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Gulf Coast Conference 2019

Gulf Coast Conference 2019

Restek at GCC 2019
Restek at GCC 2019

USER GROUP

TUESDAY, OCTOBER 15
8:00–9:30 a.m. / Room: Jasmine Room
#158 - ASTM D02.D Committee on Hydrocarbons for Chemical and Special Uses
For more information, email Jan Pijpelink.
Read abstract

The ASTM D02.D committee has agreed to conduct a stated meeting each year at Gulf Coast Conference. The purpose of this meeting is for non-member participation. This committee is interested in meeting with and listening to ASTM standards users. The meeting will be a formal ASTM meeting conducted within ASTM guidelines. Each committee section chairmen will provide an update of ongoing committee actions. Everyone is invited to attend and provide comments.

PRO EZGC CHROMATOGRAM MODELER DEMONSTRATION

TUESDAY, OCTOBER 15
4:00–5:00 p.m. / Room: Floral Hall A2
Katarina Oden (presenter)
Restek Corporation
For more information, email Katarina Oden.
Read abstract

Restek’s EZGC online tools make it easy to tailor a perfect solution for your GC method development challenges. The simple-to-use, yet incredibly powerful EZGC method development suite—the Pro EZGC chromatogram modeler and the EZGC method translator and flow calculator—are ideal for petrochemical labs looking to perform method development in minutes, to optimize existing methods reliably and without guesswork, and to increase productivity. Join Restek petrochemical expert Katarina Oden at Shimadzu’s Gulf Coast open house (abstract #257) to see the EZGC suite in action and discuss how your lab can benefit from using it.

RESTEK TECHNICAL POSTERS

TUESDAY, OCTOBER 15
11:30 a.m. / Room: South Lobby
#192 - A Robust Column for the Analysis of Benzene and Toluene in Motor and Aviation Fuel Containing Ethanol and/or Butanol Blend by ASTM D3606-17
Barry Burger (presenter)
Restek Corporation
For more information, email Barry Burger.
Read abstract

Laboratories facing the challenge of quantifying both benzene and toluene in finished motor and aviation fuel containing ethanol must use the modified ASTM D3606-17 method mandated by the U.S. EPA. This column set prevents the coelution of benzene with ethanol, thus assuring accurate quantification of benzene. Toluene quantitation is straightforward in that there are no coelution issues. The scope of the method for quantifying benzene is 0.1% to 5% by volume, and the toluene range is 2% to 20% by volume. With the addition of butanol-blended fuel slowly entering the market, this same packed column set, with a slight modification of the GC oven parameters and methyl ethyl ketone (MEK) as the internal standard, can be used for the analysis of ethanol-free gasoline containing butanol blend with no concerns of inconsistent retention times and/or coelutions of critical components. This packed column set will satisfy both Part A and Part B of the D3606-17 method.

4:15 p.m. / Room: South Lobby
#270 - Faster Analysis Using the GC Accelerator
Katarina Oden (presenter), Mark Badger, Jan Pijpelink
Restek Corporation
For more information, email Katarina Oden.
Read abstract

Minimizing analysis times is the primary method development goal of most labs. Whether developing a new analysis or making an old method faster, we strive to use every technique we picked up along the way to develop faster methods. When changing the parameters like carrier gas, column dimension, and even oven ramps, we are limited by our instrument capabilities. Instruments, for example; Agilent 6890 and 7890 with 120 V ovens are often not able to meet fast ramp rates. Restek developed a GC Accelerator kit, which can be used to boost the GC’s ramp rate capability without any modifications to the hardware or software. By reducing oven volume, these inserts allow faster ramp rates to be attained, which reduces oven cycle time and allows for increased sample throughput. The benefits of faster ramping will be demonstrating using ASTM Method D2887B.

4:35 p.m. / Room: South Lobby
#271 - Shorter Columns for the Analysis of Monocyclic Aromatic Solvents by GC
Katarina Oden (presenter), Jan Pijpelink, Stacy Bashline
Restek Corporation
For more information, email Katarina Oden.
Read abstract

Monocyclic aromatic solvents like benzene, p-, m-, o-xylenes, styrene, ethylbenzene, etc., are derived from reformates or synthesized and, therefore, may contain reaction intermediates/unreacted starting material or other residual compounds. Determination of purity is vital for many labs since they are used as a starting component in a synthesis of different plastics, drugs, insulation, shoes, or cars to name a few. Purity analysis by ASTM method D7504 is performed using a long polar column that separates unretained, non-polar hydrocarbons from aromatic hydrocarbons, which are then individually reported. Faster analysis can be achieved using a more efficient, shorter, and narrower bore column. However, to meet the resolution requirements and minimum limits of detection, the sample loading capacity should be considered. Presented is our solution for switching to a shorter, narrower bore column.

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