This practice establishes the standard techniques that are of general use in securing and analyzing samples in microgram quantities (microanalysis) by infrared spectrophotometry. These techniques include general microspectroscopy, analysis of gas chromatographic fractions, analysis of liquid chromatographic fractions, analysis of thin-layer chromatographic fractions, analysis of paper chromatographic fractions, analysis of gases evolved from a thermogravimetric analyzer, and infrared spectroscopy using a microscope.
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1.1 This practice covers techniques that are of general use in securing and analyzing microgram quantities of samples by infrared spectrophotometric techniques. This practice makes repetition of description of specific techniques unnecessary in individual infrared methods.
1.2 These recommendations are supplementary to Practices E168, E573, and E1252, which should be referred to for theory, general techniques of sample preparation, and calculations.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E131 Terminology Relating to Molecular Spectroscopy
E168 Practices for General Techniques of Infrared Quantitative Analysis
E573 Practices for Internal Reflection Spectroscopy
E1252 Practice for General Techniques for Obtaining Infrared Spectra for Qualitative Analysis
E1642 Practice for General Techniques of Gas Chromatography Infrared (GC/IR) Analysis
E2105 Practice for General Techniques of Thermogravimetric Analysis (TGA) Coupled With Infrared Analysis (TGA/IR)
E2106 Practice for General Techniques of Liquid Chromatography-Infrared (LC/IR) and Size Exclusion Chromatography-Infrared (SEC/IR) Analyses
infrared; microanalysis; molecular spectroscopy;
ICS Number Code 71.040.50 (Physicochemical methods of analysis)
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