Free essays on chromatography refer to academic papers that discuss the scientific technique for separating and identifying substances in a mixture. The essays may cover various types of chromatography, including liquid chromatography, gas chromatography, and paper chromatography, as well as their applications in different fields such as environmental analysis, forensics, and pharmaceuticals. Such essays may explain the theory, principles, and mechanisms of chromatography, as well as its advantages and limitations. Additionally, these essays may provide examples of experiments and applications to illustrate the practical use of the chromatographic technique.
High Performance Liquid Chromatography
Introduction Anhydrous caffeine is found as a white crystalline powder or white crystals, in water it is sparingly soluble but becomes freely soluble when the water is boiling (Pharmacopoeia.com, 2019). Caffeine is an alkaloid xanthine derivative (Tarnopolsky, 2010) that acts as a psychostimulant and mild diuretic to humans and animals and is found within the beans, leaves and fruit of more than 60 plants, (Institute of Medicine (U. S.) et al., 2014), it is mostly consumed by humans as coffee…...
AddictionChemistryChromatographyDrugs
Ldh Purification Lab Report
This sample essay on Ldh Purification Lab Report provides important aspects of the issue and arguments for and against as well as the needed facts. Read on this essay's introduction, body paragraphs, and conclusion.OLD was purified from the ammonium sulfate precipitated protein mixture by affinity chromatography and its activity was studied by spectrophotometers determination of NADIA at 340 NM. From Pierce BCC assay of crude homogenate, initial protein concentration was shown to be 100 MGM/ml. The final protein concentration of…...
BiologyBiotechnologyChemistryChromatographyProtein
Pigments In Spinach
This essay sample on Pigments In Spinach provides all necessary basic information on this matter, including the most common "for and against" arguments. Below are the introduction, body and conclusion parts of this essay.Investigation of Photosynthetic Pigments in Spinach Michael Yacoub BIOL&211 Lori Hayes Introduction: Purpose: To demonstrate the existence of the pigments of photosynthesis in spinach by separating them using chromatography, then measure them using spectrometry. There are multiple pigments in photosynthesis, the varying pigments allow the plant to…...
BiologyChemistryChromatographyColorLightPhotosynthesis
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Tlc Needs to Run In a Closed Container
The essay sample on Tlc Lab Report dwells on its problems, providing a shortened but comprehensive overview of basic facts and arguments related to it. To read the essay, scroll down. Food color additives are dyes, pigments or substances that impart color when applied to a food, drug, cosmetic, or the human body. The Food and Drug Administration (FDA) is responsible for regulating all color additives used in the United States. All color additives permitted for use in foods are…...
ChemistryChromatographyMaterials
Kool Aid Chromatography
When working in a lab, scientists often need to identify different molecules that are present in a sample they are studying. There are many ways to identify unknown molecules/chemicals in a sample. The method you will be using today is called Paper Chromatography and consists of 2 steps. First, you will separate the unknown chemicals and then you will identify them. This process can also be applied to the food we eat everyday.When you eat food or drink liquids you…...
ChemistryChromatographyColorWater
Gas Chromatography Lab Report Essays
Gas chromatography separates the component of a sample based on the ease with which they evaporate into a gas, also known as the volatility. The chemical mixture being analyzed is injected into the injection point and carried through the instrument by an inert gas, in this case Helium. The temperature of the injection point is approximately ICC and the oven temperature is around ICC. There is a column in the oven that makes it Seibel to separate the chemicals based…...
ChemistryChromatographyManufacturingMaterialsMechanical EngineeringScientific Method
Salt And Sand Separation Lab Report
Evaporation is a process where two liquids or solid mixed into a liquid can be separated. To separate two liquids mixed together, the liquid is boiled over a Bunsen burner until one liquid is completely evaporated. To separate a solid within a liquid, the liquid is completely evaporated and a solid will remain, which is called a residue. Procedure/Data: 1. Preheat a clean evaporating dish for 5 minutes; then cool and mass the dish. Mass of empty dish: 28. Egg…...
ChemistryChromatographyEvaporationManufacturingMaterialsWater
Thin Layer Chromatography Lab Report
Chromatography works on the principle that different impounds will have different solubility and adsorption to the two different phases between which are to be partitioned. Thin Layer Chromatography (TTL) is a solid-liquid technique. The mixture is observed when it is in two different phase; a solid (stationary phase) and a liquid (moving phase). Thin Layer Chromatography (TTL) is a technique which is sensitive, cheap and fast. A thin layer chromatograph plate is used to identify drug component under LIVE. It…...
ChemistryChromatographyManufacturingMaterials
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