Gas chromatography lab report

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Gas chromatography lab report

Laboratory Philosophy Statements Management Laboratory management recognizes that the Laboratory is one element of a multifaceted "criminal justice system," and that scientific results generated by the Laboratory may be used by any element of that system.

Mission It is the mission of the West Virginia State Police Forensic Laboratory to provide accurate and impartial scientific support services to all criminal justice agencies operating in the State of West Virginia.

Goal The goal of the West Virginia State Police Forensic Laboratory is to generate accurate, impartial, and timely scientific examinations and opinions for the criminal justice system of the State in the interest of public safety. Examinations and Functions The Laboratory is composed of seven specialized sections that provide the following services: Analysis and identification of controlled substances Drug Identification Section.

Gas chromatography lab report

Analysis, identification and quantification of ethyl alcohol, suspected alcoholic beverages, and blood alcohol content level. Analysis of urine and blood specimens for the presence of drugs Toxicology Section. Identification and comparison of paint, glass, and building materials.

Analysis and identification of ignitable liquids in charred debris and other forms of evidence. Analysis and identification of gunshot residues Trace Evidence Section. Analysis of biological materials Biochemistry Section.

Analysis, comparison, evaluation and verification of friction ridge skin impressions Latent Prints Section.

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Identification and comparison of tool marks, firearms comparisons, and distance determinations. Analysis and comparison of questioned documents. Analysis and comparison of footwear and tire tread impressions Questioned Documents Section.

The criteria and standards address laboratory administrative practices, procedures, training, evidence handling, quality control, analysis protocols, testimony, proficiency testing, personnel qualifications, space allocation, security, and a variety of other related topics. Laboratory Sections Latent Prints Section Drug Identification Section The purpose of the Drug Identification Section is to analyze and identify any suspected controlled substances and precursor chemicals utilized to manufacture controlled substances that are submitted to the Laboratory from city, county, state, and federal police agencies.

Most evidence is analyzed in a two-step process. First, the substance is subjected to a series of preliminary tests. These tests give an indication of what the substance might be and suggest a path for further analysis.

The second step is to confirm the identification of the substance. Both are equally specific and either can be used for this identification. Identification of suspected marihuana relies upon a series of tests.

These tests, when used in combination, are considered a specific analysis to confirm the identification of marihuana. A Bachelor of Science Degree in a natural science with an emphasis on Chemistry is required. As evidence is received, a unique case number is assigned and case submission information is entered into a Laboratory Information Management System.

Evidence is stored in a secure location and distributed to forensic scientists for analysis or comparison. After completion, the items are returned to the investigating officer via CER.

OR Four years of full-time paid experience as a certified law enforcement officer OR Completion of two years 60 semester hours of study in an accredited four-year college or university and two years of experience in work related to the Examples of Work as described above or to duties as described below.

OR A high school diploma, or its equivalent, and four years of experience in work related to the Examples of Work as described above or to duties as described. Submitted items typically include sexual assault kits, clothing, scene samples, or objects collected at crime scenes.

Applicants are required to have a Bachelor of Science Degree in the natural sciences or related fields with chemistry and biology emphasized. By test firing the firearm and recovering the known fired bullets and cartridge cases, a comparison can be made with the submitted evidence.

The comparison is performed using a comparison microscope, which is basically two microscopes connected by an optical bridge that allows the examiner to view two objects simultaneously under the same magnification. This allows the examiner to view unique microscopic imperfections placed on the evidence and test fires by the firearm that fired them.

Another area of analysis is the examination and comparison of toolmarks left at a crime scene to determine if they were produced by a particular tool. Screwdrivers, pliers, crow bars, hammers and the like, can leave unique marks on surfaces at crime scenes. The major types of analysis performed include fire debris analysis and gunshot residue examinations.

Various types of instrumentation are utilized in the section to perform such analysis, these may include a Scanning Electron Microscope, Gas Chromatograph-Mass Spectrometer, and Fourier Transform Infrared Spectrometer.

The requirements for employment in the Trace Evidence Section consist of a four year degree in a natural science or related field.Lab 6: Paper Chromatography Pages turned in attached to lab report.

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Chromatography • Chromatography is an analytical technique used to separate the components of a mixture. • All forms of chromatography work on the and a mobile phase (a liquid or a gas).

• The mobile phase flows through the stationary phase and carries the. Simplify the way you collect, manage, and report chromatography test results with Empower™ 3 Software.

Mass spectrometry - Wikipedia Our new, improved design provides the salts in a more granular form, so they flow freely and are easier to pour than powders.
Chromatography - Wikipedia Ask Latest Price Product Price: The sample is placed in a pan under controlled heating elements which maintain a steady temperature.
Basic theory for a gas chromatography lab report: the overview of the main principles The Horror Film Genius Basic theory for a gas chromatography lab report:
How it works History of chromatography Chromatography was first employed in Russia by the Italian-born scientist Mikhail Tsvet in Since these components have different colors green, orange, and yellow, respectively they gave the technique its name.

Empower 3 is Waters’ compliant-ready chromatography data software (CDS) package for advanced data acquisition, management, processing, reporting, and distribution.

Analysis by Gas Chromatography In this experiment we will study the method of gas chromatography. Gas chromatography (GC) is one of the most important analytical tools that the chemist has.

In this lab you will watch and listen to a video presentation about GC, look at a research-level GC instrument, and learn how to do a qualitative and. In mass spectrometry, ionization refers to the production of gas phase ions suitable for resolution in the mass analyser or mass filter.

Ionization occurs in the ion are several ion sources available; each has advantages and disadvantages for particular applications. For example, electron ionization (EI) gives a high degree of . Chromperfect chromatography software and chromatography data systems for gas and liquid chromatographs HPLC and GC analysis.

Description. The NIST 17 mass spectral library, the successor to the NIST 14, is a fully evaluated collection of electron ionization (EI) and MS/MS mass spectra, with chemical and GC data, plus search software to identify your own unknown spectra. It is a product of a more than three decade, comprehensive evaluation and expansion of the world's .

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