forensic laboratory Articles
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New and updated forensic crime lab grant funding opportunities
In case you missed it, the NIJ is hosting a webinar tomorrow (1:30pm EST) on grant funding opportunities for publicly funded crime laboratories. The topics include 2017 changes to traditional grant programs, like Coverdell, DNA CEBR, and research and Evaluation for the Testing and Interpretation of Physical Evidence in Publicly Funded Forensic Laboratories. But equally important will be the ...
By Qualtrax Inc
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Blood Alcohol Determination with Teledyne Tekmar HT3 Automated Static/Dynamic Headspace Analyzer
Introduction Analysis of biological fluids for volatile components by headspace analysis is routinely used by forensic laboratories around the world. One of the more common of these headspace analyses is the determination of blood alcohol in cases involving suspected DUI or OVI. This determination is typically accomplished with an injection of the sample onto two columns, one for quantitation and ...
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Residual Solvents Testing per ASTM F1884-04 with the Versa and HT3 Automated Headspace Sampler
Introduction Police and forensic laboratories around the world routinely use headspace-gas chromatography for volatile components in biological fluids. One of the more common headspace analyses is the determination of blood alcohol in cases involving suspected DUI or OVI. The blood alcohol limit for some countries, like Korea and South Africa, is as low as 0.05%. This study evaluates Teledyne ...
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Blood Alcohol Determination with the New Teledyne Tekmar Versa Headspace Instrument
Introduction Recently, Teledyne Tekmar released the Versa, their latest innovative headspace instrument. Initially developed for the pharmaceutical industry to provide an economical headspace system for residual solvent analysis, the Versa can provide forensic/toxicology laboratories similar benefits. Blood alcohol analysis is one of a variety of headspace methods performed in ...
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Alternative Methods to RSK 175 Using Purge and Trap Concentration and Automated Headspace for the Analysis of Dissolved Gases in Drinking Water
Introduction Police and forensic laboratories around the world routinely use headspace-gas chromatography for volatile components in biological fluids. One of the more common headspace analyses is the determination of blood alcohol in cases involving suspected DUI or OVI. The blood alcohol limit for some countries, like Korea and South Africa, is as low as 0.05%. This study evaluates Teledyne ...
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Blood Alcohol Determination with the Teledyne Tekmar HT3 and Young Lin YL6500 Gas Chromatograph
Introduction Police and forensic laboratories around the world routinely use headspace-gas chromatography for volatile components in biological fluids. One of the more common headspace analyses is the determination of blood alcohol in cases involving suspected DUI or OVI. The blood alcohol limit for some countries, like Korea and South Africa, is as low as 0.05%. This study evaluates Teledyne ...
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GC-MS used by Forensic experts in Mumbai to detect intoxicants and help solve crime
Forensic experts in Mumbai have solved the problem of analysing old viscera samples for intoxicants by using GC-MS. The Directorate of Forensic Science Laboratories (FSL) recently commented on a case they are working on involving the death of a man in Mumbai. In this case there is ambiguity as to whether or not the deceased man had intoxicants, such as drugs or alcohol, in his system immediately ...
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Selecting the Best Laboratory Freezers
Finding the best laboratory freezer can be a bit of a minefield. At Froilabo we understand that temperature management is a critical part of any laboratory and has to be rigorously managed to keep scientific activity free of errors. In this handy read, we have prepared a quick guide to finding the best laboratory freezer to suit your specific requirements.What is a Laboratory Freezer? A ...
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What is an Ultra-Low Temperature Freezer?
Ultra-Low Temperature Freezers are a type of laboratory freezer that operates at very low temperatures. Ultra-Low Temperature Freezers available from Froilabo have a temperature range of -45°C to -86°C and can be used for the storage of drugs, enzymes, chemicals, bacteria and other samples.Low Temperature Freezers are available in various designs and sizes depending on how much storage is needed. ...
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The use of portable and handheld Raman spectroscopy for forensic investigations
The Raman technique is gaining widespread acceptance as an investigative tool for forensic applications. This article focuses on the use of portable and handheld Raman spectroscopy in the field of forensic science and illustrates it with real-world examples. The benefits of Raman spectroscopy are well recognized for the molecular identification of unknown molecular compounds and as a result the ...
By B&W Tek
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Lab Design Basics For Fume Hoods
When designing a laboratory, different stakeholder groups hold differing views. Not to mention, many individuals hold various opinions that have opposing priorities. But once decisions have been made and there is a consensus among the users, designing a lab is an exciting process. A successful lab design layout will promote the use of laboratory space while ensuring safe working conditions for ...
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Reconstruction of a go–karting fatality
Concession go–karts are recreational hire–vehicles with a unique and challenging set of crashworthiness requirements. A case study reconstruction of a fatal crash involving a female rider, that occurred at a speed of 25 km/h on an 'in–door' circuit, has revealed a number of crashworthiness issues that need to be considered by both designers and operators. Details of the forensic investigation of ...
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Forensic Analysis using UVF and USGS Laboratory Results Testing PAHs in Coal Tar Pavement Sealants
Environmental scientists use a variety of forensic techniques to identify the source of hydrocarbons using laboratory data. This study compares Sitelab’s UVF data and laboratory GC/MS data using double ratio plots testing pavement sealants for Polycyclic Aromatic Hydrocarbons (PAHs). Ratios were then applied using data in three studies conducted by the United States Geological Survey ...
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METH: THE NEW MOLD - New Markets in Clandestine Laboratory Clean-up
Untitled Document Intro Clandestine labs have become prevalent across America. They are used for the illicit production of illegal drugs, mostly methamphetamine, PCP, GHB, or MDA (Ecstasy). Some labs have even been found with the raw materials used to concoct homemade bombs. Law enforcement departments have seen a significant rise in occurrences over the last ten years. The ...
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What is a Laboratory Oven / Ventilated Oven?
A Laboratory Oven, also known as a Ventilated Oven, is a high temperature oven which forms part of the equipment found in most clinical, forensic, electronics, material processing and research laboratories. A Ventilated Oven provides uniform and precise temperature control for functions such as heating, baking, evaporating, drying, sterilising and other industrial laboratory functions.This ...
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