Tag: Chemical & Petrochemical

miniGC Method – C7-C40 Alkane Mix

Download this method using the button above to Import it into your Methods library in your miniGC

miniLC Method Note – Phenoxyacid Herbicides

Analysis of a Phenoxyacid Herbicides standard in the miniLC

miniLC Method Note – Aldehydes/Ketones

Analysis of an Aldehydes/Ketones standard in the miniLC

miniGC Method 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 Method 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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miniGC Method 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 Method 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 Method 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…
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miniGC Method 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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miniGC App Note – CBD in Oils, Lotions, and Chewables

by Daniel Iversen, R&D Chemist, Lucidity With the introduction of CBD in so many products, making sure that the labeled amount is whatthe consumer is getting. Many studies have been done on the CBD oil tincture, so I wanted tofocus on something a bit different. My father-in-law uses CBD hand cream to help with hisarthritis…
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