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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
The Identification of Substances in Real Samples Using Portable Raman Spectrometer
 HRDINA, Richard
The title of the thesis: The Identification of Substances in Real Samples Using Portable Raman Spectrometer The portable Raman spectrometer Ahura First Defender is a device designated for identifying unrecognized solid and liquid substances. The aim of this diploma thesis was to test the efficiency of the portable Raman spectrometer First Defender and to draw up a draft of the methodology for its manipulation. The objects of the investigation were the accuracy of results and collection of findings coming out of measuring tests using the device mentioned above. The introduction part briefly describes problems of chemical monitoring within Fire Rescue Service of the Czech Republic. As a partly solution of the problems could be the use of the portable spectrometer First Defender. Further are described problems of sampling and possibilities of sample detection through means of chemical reconnaissance. As next, there is described the device itself including the principle of Raman effect that allows the device to identify unrecognized solid and liquid chemical substances. The practical part explains the procedure and the way of applied measuring tests when using the device. The results are summarized in charts and the percentage of successful performed tests analyzed in charts. Findings concerning the manipulation with the device, methods for sample modification and the influence of sample matrix on the identification of selected chemicals in observed samples are introduced in the discussion. Professional knowledge and experience were used to draw up guidelines for the identification of substances in real samples conceived as general informational source describing procedures, rules, and recommendations. Upon all outcomes and findings, there was confirmed the hypothesis of greatly beneficial using Raman spectrometer in Fire Protection Units when identifying unknown substances at places of intervention at the end of the thesis.
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The Use of Portable Raman Spectrometer in Fire Protection Units{\crq}s Work
 HRDINA, Richard
The portable Raman spectrometer Ahura First Defender is a device designated for identifying unrecognized solid and liquid substances. The aim of this work was to test the efficiency of the portable Raman spectrometer First Defender which has been newly introduced in equipment of FPUs, and to draw up the methodology for its manipulation. The object of the investigation was the accuracy of results and collection of findings coming out of measuring tests using the device mentioned above. The introduction part briefly describes problems of chemical monitoring within Fire Rescue Service of the Czech Republic. As a partly solution of the problems could be the use of the portable spectrometer First Defender. As next, there is described the device itself including the principle of Raman effect that allows the device to identify unrecognized solid and liquid chemical substances. The practical part explains the procedure and the way of applied measuring tests when using the device. The results are summarized in charts and the percentage of successful performed tests analyzed in charts. Through the discussion there are introduced discovered inaccuracies concerning the manipulation with the device, including the proposal for its handling. Professional knowledge and experience were used to enhance the quality of technical documentation for the device {--} methodical procedures applying to the device were inserted in the appendix because of its volume. Methodical steps are conceived as a general source of information that describes procedures, rules, and recommendations. Keeping these is necessary for effective and safe manipulation with the portable spectrometer First Defender. Upon all outcomes and findings, there was confirmed the hypothesis of greatly beneficial using Raman spectrometer in Fire Protection Units when identifying unknown substances at places of intervention at the end of the thesis.
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