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GB/T 32199-2015: Standard practice for general techniques for obtaining infrared spectra for qualitative analysis
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Standard practice for general techniques for obtaining infrared spectra for qualitative analysis
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GB/T 32199-2015
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Basic data | Standard ID | GB/T 32199-2015 (GB/T32199-2015) | | Description (Translated English) | Standard practice for general techniques for obtaining infrared spectra for qualitative analysis | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N53 | | Classification of International Standard | 71.040.10 | | Word Count Estimation | 24,277 | | Date of Issue | 2015-12-10 | | Date of Implementation | 2016-07-01 | | Regulation (derived from) | National Standard Announcement 2015 No.38 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 32199-2015: Standard practice for general techniques for obtaining infrared spectra for qualitative analysis
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Standard practice for general techniques for obtaining infrared spectra for qualitative analysis
ICS 71.040.10
N53
National Standards of People's Republic of China
Infrared spectroscopy qualitative analysis General
Issued on. 2015-12-10
2016-07-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms, definitions and symbols 1
4 1 General
Analysis of the liquid sample 4 5
Analysis of solid samples 6 7
Gas samples were analyzed 7 10
Analysis of the polymer 8 11
Other types of samples analyzed 9 15
10 special analysis 15
References 18
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard reference ASTME1252-2002 "Infrared spectroscopy qualitative analysis General."
The standard proposed by China Machinery Industry Federation.
Control and automation Standardization Technical Committee (SAC/TC124) is under the jurisdiction of this standard is measured by the country's industrial processes.
This standard was drafted. China Instrument Industry Association, Peking University, Beijing Huayun Institute for the Analysis Instrument Co., Ltd., Beijing China
Kechuang Instrument Technology Co., Ltd., Beijing Agricultural College, Beijing Analytical Instrument Institute.
The main drafters of this standard. Maya Juan, Ong Fu, Tang Qingyun, elevation up, Zhang Xinmin, Louxing Jun.
Infrared spectroscopy qualitative analysis General
1 Scope
1.1 standard spectral range covered is 4000cm-1 ~ 50cm-1, applies to the use of infrared spectroscopy for liquid, solid and gaseous
Samples for qualitative analysis, qualitative analysis of the amount of the sample is not restricted. Wavenumber spectrum can also be used above the near-infrared region of 4000cm-1
Qualitative analysis.
1.2 This standard does not involve security issues relating to the actual use of the process. Users are to determine the limitations of the standard applications, and
We have the responsibility to develop appropriate safety and health practices. Specific preventive measures see 5.5.1.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
ASTME131 molecular spectroscopy related terms (TerminologyRelatingtoMolecularSpectroscopy)
ASTME334 infrared microanalysis General Technology (PracticesforGeneralTechniquesofInfraredMicroanaly-
sis)
ASTME573 internal reflectance spectroscopy (PracticesforInternalReflectionSpectroscopy)
ASTME1421 Fourier transform infrared (FT-IR) spectrometer characterization and measurement of. 0 and Level 1 is filled with zeros [Practice
forDescribingandMeasuringPerformanceofFourierTransformInfrared (FT-IR) Spectrometers.
LevelZeroandLevelOne]
ASTME1642 Gas Chromatography - Infrared Spectroscopy (GC/IR) analysis of common technical [PracticeforGeneralTechniquesof
GasChromatographyInfrared (GC/IR) Analysis]
3 Terms, definitions and symbols
Terms, definitions and symbols ASTME131 defined in the application of this document.
4 General
4.1 Infrared (IR) is a qualitative analysis by identifying groups of [1] to [3], or compare the unknown sample with standard samples of known infrared absorption spectrum,
Or a combination of both analysis methods. These spectra can be by means of infrared light transmission, reflection, and other technologies, such as photoacoustic spectroscopy
(PAS) such as access to [4] to [8]. Spectra for comparison should be obtained under the same techniques and the same conditions. Users should note that not all public
Open standard published spectra are entirely appropriate [9] - [16].
4.1.1 IR instruments and accessories used in qualitative analysis can be obtained from commercial sources. User shall be provided in accordance with the manufacturer
Manual operation, in order to ensure safe operation of equipment in the best condition.
4.2 will be a uniform thickness of the film sample is placed in the optical path of the infrared transmission spectra obtained vertical position (to eliminate interference generated sample film strip
Grain method, see 8.5.1. Sample thickness should be appropriate, in the position of the absorption peak of the analyzed reaching the detector of infrared light energy to be reduced sufficiently low.
The absorbance of the strongest absorption band is preferably between 1 and 2, the other band absorbance should be around 0.6. Since the polarity of the measured sample molecules exist
Differences, there will be exceptions. For example, non-polar saturated hydrocarbons, CH2 asymmetric stretching vibration at 2920cm-1 has a strong absorption becomes
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