ipl-logo

Gas Chromatography Research Paper

2296 Words10 Pages

Student’s Name
Instructor’s Name
Course
Date
Gas Chromatography
A gas chromatograph is an integral part of any organic analytical laboratory. Nowadays gas chromatography (GC) is considered to be the major technique for separation and analysis of fugitive compounds. It is used for analyzing liquids, gases, and solids, the latter usually being dissolved in fugitive solvents. GC can analyze both organic and inorganic materials, molecular weights of which can range from 2 to about1000 Daltons (Poole 43).
Chromatographic processes acquire their names due to the physical state of the mobile phase. Consequently, the mobile phase in gas chromatography (GC) is a gas, and the mobile phase in liquid chromatography (LC) is a liquid. The further subdivision is made according to the condition of the stationary phase. In case the stationary phase is a solid, the technique in GC is called gas-solid chromatography (GSC). In case it has a state of a liquid, the GC technique is called gas-liquid chromatography (GLC) (McNair & Miller 31).
It is evident, that the system should be secluded and hermetic, if a gas is used in the mobile phase. Moreover, this system is accomplished with a glass or metal tube known as …show more content…

These detectors are element-selective. They use a partly ionized gas which is called plasma. It is used for atomizing all the sample elements and stimulating the spectra of their peculiar atomic emission. AED is very powerful alternative to other types of detectors, because it can be applied to a wider range of cases as it works on the principle of atomic emissions detection. Plasma can be generated in three ways: inductively coupled plasma (ICP), microwave-induced plasma (MIP), and direct current plasma (DCP) (Poole 154). It is stated that MIP is used most frequently in GC. It uses a moving diode array for simultaneous monitoring the spectra of atomic emission of numerous

Show More
Related

  • Eastmamol/540 Week 4

    563 Words  | 3 Pages

    This addition aids in controlling the reproducibility and retention. Separation of the mixture via RP-HPLC can be done using continuous gradient or stepwise to move out the sample components. For every separation, the ideal gradient and volume must be

    Read More

  • M's Vs Skittles Lab Report

    645 Words  | 3 Pages

    In our experiment, we are trying to identify the types of dyes used in M&M’s versus skittles using chromatography. Chromatography is a group of techniques used to separate the various components in a complex mixture or solution. Chromatography was invented by a Russian botanist named Mikhail Tsvet. He used column chromatography to study plant pigments, but it became clearer that this technique can be used to separate many complex homogeneous mixtures. In every chromatography structure there is basically a mobile phase and a stationary phase.

    Read More

  • Gasmask Research Paper

    451 Words  | 2 Pages

    Why did you go after to find Sasha? I went after to find Sasha because she is my true love. Also, I went after to find her because when we were in the infected zone together she saved my life, when the jocks were after me. Sasha also saved my life by helping me into a gang so I had a place to stay and food to eat. Were you ever scared looking for Sasha in the infected zone?

    Read More

  • Quetiapine Fumarate Case Study

    3223 Words  | 13 Pages

    The mobile phase used was a mixture of ammonium acetate buffer and acetonitrile at a ratio of 400:600. A flow rate of 1 mL/min was maintained, and the detection wavelength was 292 nm (22). The required studies were carried out to estimate the precision and accuracy of the HPLC method and were found to be within limits [percent coefficient of variation was less than 15%]. Sample preparation briefly involved 0.4 μ membrane filter through which the sample was filtered, diluted with mobile phase, and 10 μL was spiked into

    Read More

  • Ideal Gas Equation Lab Report

    569 Words  | 3 Pages

    On January 18, 2015, the New England Patriots and the Indianapolis Colts played in the AFC Championship game in a chilly temperature of 51°F. The Patriots were accused of cheating when, at half time, 11 of their 12 game balls were found to be two pounds psi less than the regulation size of 12.5 to 13.5 psi. Although the balls are gauged 2 hours and 15 minutes prior to the game, they are returned to the teams before the game started. Based on extensive research and data, the Patriots’ balls were tampered with prior to the game. Objects with gaseous interiors have a tendency to decrease in pressure when exposed to cold temperatures but the decrease will only be minor.

    Read More

  • Paper Chromatography Lab Report

    767 Words  | 4 Pages

    Leah Romero 10/30/2017 Conclusion Lab 3 Chem 102L In lab 3, fundamentals of chromatography, the purpose was to examine how components of mixtures can be separated by taking advantage of different in physical properties. A huge process in this lab was paper chromatography, which was used to isolate food dyes that are found in different drink mixes. The different chromatograms of FD&C dyes were compared to identify which dyes are present in each of the mixes.

    Read More

  • 6.03 Calorimetry Lab Report Honors

    330 Words  | 2 Pages

    The observed emission data for the different elements did not look how they were supposed to. However the “peaks” for Hydrogen were found to be 534.52 and 631.24, 534.70 and 569.11 for Helium and 529.73 and 630.71 for Mercury. The Rydberg’s Constant found to 1.1x107 8.5x104 while the known constant is 10967758.34m-1. The percent error of 0.29% and the accuracy of this reading is 99.7. The slope and intercept of the linear regression line is -0.01 3.3x10-5 and 0.02x10-1 1.9x10-6 respectfully.

    Read More

  • Lab Report Grignard Reagent

    565 Words  | 3 Pages

    Introduction The purpose of this week’s lab was to enhance our understanding of the Grignard reagents that were examined in lecture. In this lab, a Grignard reagent will be prepared through the reaction of magnesium turnings and bromobenzene. Instead of isolating the product it will then be combined with benzophenone, which will give the final product of triphenylmethanol. Procedure

    Read More

  • Nucleophilic Substitution Reactions Lab

    1039 Words  | 5 Pages

    3. To purify and identify the product, recrystallization is used in order to purify the product, then melting point and TLC techniques are used to identify the product. Theory 4.

    Read More

  • Gas Chromatography Lab Report

    1545 Words  | 7 Pages

    INTRODUCTION A gas chromatograph (GC) can be utilized to analyze the contents of a sample quantitatively or in certain circumstances also qualitatively. In the case of preparative chromatography, a pure compound can be extracted from a mixture. The principle of gas chromatography can be explained as following: A micro syringe is used to inject a known volume of vaporous or liquid analyte into the head or entrance of a column whereby a stream of an inert gas acts a carrier (mobile phase). The column acts as a separator of individual or chemically similar components.

    Read More

  • Properties Of Substances Lab Report

    1038 Words  | 5 Pages

    Properties of Substances Express Lab 1)The purpose of this lab was to compare the physical properties of different types of solids and how the properties of solids are determined by their intermolecular forces and their intramolecular bonds. Then we were to classify each type of solid as either ionic, metallic, non-polar molecular, polar molecular, or network. Paraffin wax classified as a non-polar molecular, Silicon dioxide was classifies as a network, Sodium chloride was classified as ionic, Sucrose was classified as polar molecular and Tin was classified as metallic. (2)The intermolecular forces that are present in Paraffin wax are dispersion forces, because it is non-polar and carries a negative charge. Followed by Sucrose that has

    Read More

  • Column Chromatography Lab Report

    1696 Words  | 7 Pages

    This experiment aims to separate the components of the green colored food dye and get the TLC profile of each eluent collected. III. Experimental Procedure Before starting with the column chromatography for food dye, the right solvent must be chosen between 2-butanol with acetic acid, ammonia in butanol, 1 part 1-butanol 1 part acetic acid, and 2 parts methanol 1 part water. In choosing the appropriate solvent for column chromatography, the solvent system must give a TLC profile wherein most of the spots are well separated and has a Rf value within 0.3-0.5.

    Read More

  • Chromatography Lab Report Discussion

    1458 Words  | 6 Pages

    The developing solution was poured into a tank and was tightly covered with a glass lid, and the tank was allowed to be saturated to ensure that the solution was equilibrated in the gas phase. Silica plate for TLC analysis: A horizontal line was drawn with a pencil on the plate and it was about 1 cm above the bottom of the plate. The horizontal line was drawn faintly so as to avoid damaging the silica gel on the plate. On the horizontal line, two marks were made and one was named A and the other B. These marks were made towards the centre of the plate at a distance apart because when spots are made at the edge of a plate, the result would be an improper travel of the samples as the solvent advances on the plate.

    Read More

  • Gas Chromatography In Alcoholic Beverages Lab Report

    967 Words  | 4 Pages

    The instrument used to perform gas chromatography is called a gas chromatograph. 2. Analysis of compounds in alcoholic beverages Alcoholic beverages comprise of a wide range of volatile compounds, together with alcohols and short chain aldehydes. Gas chromatography can be used to analyse these compounds without preliminary extractions. Alcohols and aldehydes in alcoholic beverages can be monitored by capillary G.C or packed column G.C depending on target analytes and their concentrations since capillary columns offer efficient separations, capillary G.C is particularly beneficial in analysis of structurally similar compounds.

    Read More

  • Drugs In Sports Advantages And Disadvantages

    1182 Words  | 5 Pages

    Introduction Drug use in sports has always been a controversial issue. With athletes pushing for the top podium position, performance enhancing drugs can be extremely enticing. One of the main types of drugs used by athletes are stimulants such as cocaine, amphetamines or ecstasy. These can create unfair advantages in sports. To keep sports even and fair, certain drugs became prohibited.

    Read More

More about Gas Chromatography Research Paper

Open Document