Analytical chemist | Wikipedia audio article
Channel: wikipedia tts
Date: 29/12/2018

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Analytical_chemistry


00:01:38 1 History
00:04:47 2 Classical methods
00:05:19 2.1 Qualitative analysis
00:05:41 2.1.1 Chemical tests
00:05:59 2.1.2 Flame test
00:06:44 2.2 Quantitative analysis
00:07:02 2.2.1 Gravimetric analysis
00:07:33 2.2.2 Volumetric analysis
00:08:17 3 Instrumental methods
00:08:27 3.1 Spectroscopy
00:09:08 3.2 Mass spectrometry
00:09:51 3.3 Electrochemical analysis
00:10:34 3.4 Thermal analysis
00:10:51 3.5 Separation
00:11:12 3.6 Hybrid techniques
00:12:18 3.7 Microscopy
00:13:02 3.8 Lab-on-a-chip
00:13:25 4 Errors
00:17:32 5 Standards
00:17:42 5.1 Standard curve
00:18:36 5.2 Internal standards
00:19:08 5.3 Standard addition
00:19:41 6 Signals and noise
00:20:14 6.1 Thermal noise
00:21:30 6.2 Shot noise
00:22:34 6.3 Flicker noise
00:23:11 6.4 Environmental noise
00:23:46 6.5 Noise reduction
00:24:16 7 Applications
00:27:54 8 See also



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SUMMARY
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Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter. In practice, separation, identification or quantification may constitute the entire analysis or be combined with another method. Separation isolates analytes. Qualitative analysis identifies analytes, while quantitative analysis determines the numerical amount or concentration.
Analytical chemistry consists of classical, wet chemical methods and modern, instrumental methods. Classical qualitative methods use separations such as precipitation, extraction, and distillation. Identification may be based on differences in color, odor, melting point, boiling point, radioactivity or reactivity. Classical quantitative analysis uses mass or volume changes to quantify amount. Instrumental methods may be used to separate samples using chromatography, electrophoresis or field flow fractionation. Then qualitative and quantitative analysis can be performed, often with the same instrument and may use light interaction,  heat interaction, electric fields or magnetic fields. Often the same instrument can separate, identify and quantify an analyte.
Analytical chemistry is also focused on improvements in experimental design, chemometrics, and the creation of new measurement tools. Analytical chemistry has broad applications to forensics, medicine, science and engineering.