Dan discusses how to choose an appropriate solvent for sample preparation and GC (Gas Chromatography). Choosing the right solvent can be the difference between accurate quantitation of your analytes of interest and inaccurate quantitation, either because of poor extraction of the analytes from the sample or from poor chromatography.
Watch as Dan demonstrates how to use standards to quantify the amount of a certain substance in a material.
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Kratom is a plant native to Southeast Asia that has a variety of effects, many due to the active compound Mitragynine that is present in varying amounts in the plant. For this reason, you can find kratom in vitamin stores being sold as a supplement. It is marketed as an energy booster, mood enhancer, pain…
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Listen in as Prof Dan shows you what to do when peaks are coming out too close together in Gas Chromatography (GC) or Liquid Chromatography (HPLC). He gives some simple tips that can help better separate the peaks so you can better identify and quantify different compounds present in a sample.
Tis the season for spraying DEET in our faces to make sure we don’t get eaten alive by bugs! DEET, or N,N-diethyl-meta-toluamide, is one of the most widely used active ingredients in bug sprays. It was developed by the US Army for this purpose in 1946 and made available to the public in 1957. There…
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Look at what we caught these chemists doing in and out of the lab. Although comical, we’ve all seen some of this happen before…
Sometimes there’s a wrong way to do things and a right way to do things. In the case of preparing samples that are in tablet form, there’s a correct way and an incorrect way. Take a look at this video to see what we’re talking about. HR Rick is less than happy about it being…
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This video walks you through System Suitability, which tests your Liquid Chromatograph (HPLC) or Gas Chromatograph (GC) to help you ensure that your system is functioning properly and giving good results.
Vitamin C is a water soluble, key nutrient found in fruits, vegetables and berries. Unlike many animals, humans cannot synthesize their own vitamin C and must get it from their diets. One way to supplement the intake of vitamin C would be to take a vitamin. I decided to test 3 different vitamins for vitamin…
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