Category: All Posts

miniGC App Note – Phenols (EPA 604)

Analysis of Phenols (US EPA Method 604) in the miniGC Introduction Phenols or phenolic compounds are toxic compounds that are found in bodies of water that originate from industrial pollution as well as natural decomposition of animal and plant materials. Reference Method (https://www.restek.com/en/pages/chromatogram-view/GC_CF01131) Column MXT-5, 30 m, 0.28 mm ID, 0.25 µm Sample 604 Phenols…
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miniGC App Note – Phthalates (EPA 606)

Analysis of Phthalate Esters (US EPA Method 606) in the miniGC Introduction Phthalates or phthalate esters are plasticizers that add flexibility to materials like PVC (polyvinylchloride). They are a very commonly occurring persistent organic pollutant (POP) that can be found in the environment and food and are a toxicity concern, therefore methods and regulations like…
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We want to give you more options, not less…

One of the topics that’s come up when talking with our miniGC customers is the ability to install their own columns onto the miniGC column holder instead of having to buy the columns already installed on the column holders. For most users the presinstalled columns seem to be a preferred convenience, but for others they…
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miniGC App Note – C7-C40 Saturated Alkanes

Analysis of C7-C40 saturated alkanes standard in the miniGC Introduction In this app note we run a standard in the miniGC containing saturated alkanes from C7 (Heptane) to C40 (Tetracontane). The compounds are the constituent compounds of gasoline, diesel fuel, kerosene, and motor oils, therefore it is an important test for a GC to be…
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miniGC App Note – Semivolatiles (EPA 8270)

Analysis of Semivolatile Organic Compounds (SVOCs) in the miniGC Introduction In this app note we run a standard in the miniGC containing 13 compounds considered to be Semivolatile Organic Compounds (SVOC), a class of compounds that are monitored by EPA Method 8270 as contaminants in solid waste, soils, surface water, ground water, and air. The…
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miniGC App Note – Terpenes

Analysis of Terpenes in the miniGC Introduction Shown here are a couple of different terpenes mixes run with a few different methods. miniGC Method 1 Column MXT-5, 30 m, 0.25 mm ID, 0.25 µm (cat.# 70223-LUC25) Sample Injection Inj. Vol.: 1.0 µL split (split ratio 20:1) Liner: 4 mm low pressure drop precision inlet liner…
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miniGC App Note – Residual Solvents

Analysis of Residual Solvents standard in the miniGC miniGC Method Column MXT-624, 30 m, 0.25 mm ID, 1.40 µm (cat.# 70968-LUC25) Sample Injection Inj. Vol.: 1.0 µL split (split ratio 10:1) Liner: 4 mm low pressure drop precision inlet liner w/ wool (cat.# 23309) Inj. Temp.: 280 °C Oven Oven Temp.: Hold at 35 °C…
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miniGC App Note – Active Compounds (Xil-350)

Analysis of Active Compounds (Restek Test Mix Xil-350) in the miniGC Introduction This test mix is used to test activity in the flow path, from the injection port all the way through to the detector. If there are too many active sites in the system, the peak shapes will be poor. This particular set of…
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Take a day to talk Gas Chromatography (GC) with us

Join us on Friday, May 21, 2021 for a day of talking Gas Chromatography. LCGC is hosting a 4 day virtual symposium on GC, LC, Sample Prep, and Mass Spec. They have created a 4 day event with each day focused on a different analytical discipline with thought leaders in each field sharing their experiences…
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Where are you gonna be a week from today?

A week from today (Tuesday, March 30 at 2pm EDT), tune in to a live webcast put on by Cannabis Science & Technology from Prof. Kevin Schug of The University of Texas at Arlington to learn more about the chemical analysis of cannabis. He will discuss the applicability of Gas Chromatography (GC), Liquid Chromatography (LC),…
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