Citric acid is a weak, colorless organic acid. The main sources of citric acid are citrus fruits such as limes and lemons, and due to this many people confuse citric acid and vitamin C. Citric acid is an intermediate in the citric acid cycle or Krebs cycle, an important process in the body to get…
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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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While eating breakfast with my kid, they asked me about the dyes in the cereal. That got me thinking about the different dyes in food and how these dyes were analyzed. I thought that a UV-Vis instrument would be the best choice. But, what about an HPLC with a UV detector? I figured a UV…
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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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Folic Acid, Folate, or Vitamin B9 is a key vitamin used by the human body to generate new healthy red blood cells, form DNA and RNA, and break down a certain amino acid, homocysteine, that can be harmful in high amounts. The need for Folic Acid is especially important during pregnancy, which is why there…
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It only seems appropriate during cold and flu season that we do something on soaps and hand sanitizers, and interestingly enough, we have some customers who are analyzing exactly that. One of the active ingredients our customers are looking for is BZK (Benzalkonium chloride), also known as BAC, BKC, and BAK. BZK is an antimicrobial…
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Whether you drink a beer from a major manufacturer, the local brewer down the street, or even brew the beer yourself, knowing the ethanol content of that beer is an important piece of information. Up until 1995 the alcohol content wasn’t allowed to be on beer labels at all until the Coors Brewing Company successfully…
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Volatile organic compounds, or VOCs, is a term given to organic compounds that become a gas at ambient temperatures and pressures. These VOCs are monitored because many are hazardous to human health, with several being a carcinogen. The source of these VOCs are industrial processes, vehicle emissions, and even natural sources such as forest fires.…
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Continuing on from last week with the gummy bear sample preparations, I decided to take a look at the different things in that gummy bear. The gummy bear in question is a multivitamin that contains a multitude of different vitamins, so I decided to first focus on Vitamin C or Ascorbic Acid. Preparing the sample…
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With gummy candies becoming more common as a matrix for things like cannabinoids and multivitamins, it’s important to have a simple, fast, and repeatable sample preparation in order to obtain reliable values for analytes of interest in these gummies. I started with a multivitamin fiber gummy, and I thought to myself, how do I get…
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