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GB/T 19267.4-2008: Physical and chemical examination of trace evidence in forensic sciences -- Part 4: Atomic emission spectrometry
Status: Valid GB/T 19267.4: Evolution and historical versions
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| GB/T 19267.4-2008 | English | 349 |
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Physical and chemical examination of trace evidence in forensic sciences -- Part 4: Atomic emission spectrometry
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GB/T 19267.4-2008
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| GB/T 19267.4-2003 | English | 319 |
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Physical and chemical examination of trace evidence in forensic sciences -- Part 4: Atomic emission spectrometry
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GB/T 19267.4-2003
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Basic data | Standard ID | GB/T 19267.4-2008 (GB/T19267.4-2008) | | Description (Translated English) | Physical and chemical examination of trace evidence in forensic sciences -- Part 4: Atomic emission spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A92 | | Classification of International Standard | 13.310 | | Word Count Estimation | 15,135 | | Date of Issue | 2008-08-14 | | Date of Implementation | 2009-03-01 | | Older Standard (superseded by this standard) | GB/T 19267.4-2003 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 14 of 2008 (total 127) | | Issuing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 | | Summary | This standard specifies the atomic emission spectrometry samples handling and sample preparation, testing methods. This section applies to the field of criminal techniques and chemical examination of trace evidence, other areas may also refer to the use. | GB/T 19267.4-2008: Physical and chemical examination of trace evidence in forensic sciences -- Part 4: Atomic emission spectrometry
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Physical and chemical examination of trace evidence in forensic sciences Part 4. Atomic emission spectrometry
ICS 13.310
A92
National Standards of People's Republic of China
Replacing GB/T 19267.4-2003
Criminal and chemical examination of trace evidence
Part 4. Atomic Emission Spectrometry
Posted 2008-08-14
2009-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 19267 "criminal and chemical examination of trace evidence" is divided into 12 parts.
--- Part 1. Infrared absorption spectrometry;
--- Part 2. UV - visible absorption spectroscopy;
--- Part 3. Molecular Fluorescence Spectroscopy;
--- Part 4. atomic emission spectrometry;
--- Part 5. Atomic absorption spectrometry;
--- Part 6. Scanning electron microscopy/X-ray spectroscopy;
--- Part 7. Gas chromatography - mass spectrometry;
--- Part 8. microscopic spectrophotometry;
--- Part 9. thin layer chromatography;
--- Part 10. gas chromatography;
--- Part 11. High performance liquid chromatography;
--- Part 12. Thermal Analysis.
This section GB/T Part of 419,267.
This Part replaces GB/T 19267.4-2003 "criminal and chemical examination of trace evidence - Part 4. Atomic Emission Spectrometry."
This portion of the GB/T 19267.4-2003 compared to the main changes are.
--- Increased terms and definitions (in this section 3.8 to 3.13,3.23,3.27 ~ 3.30);
--- Increasing the inductively coupled plasma torch (ICP) emission spectroscopic analysis of the content (in this section 5.2.1.2,6.1.2,6.2.2,
6.2.3);
--- Modify the principle part (Chapter 4 portions and GB/T 19267.4-2003's);
--- Removed some details about the instrument (GB/T 19267.4-2003 5.4);
--- Modify the contents of the sample preparation and injection techniques (this part of GB/T 19267.4-2003 and Chapter 6 of);
--- Modify the contents of the test methods (this part of GB/T 19267.4-2003 and the Chapter 7);
--- Modify the results are expressed (in this section 8.1,8.3, GB/T 19267.4-2003 of 8.1, 8.3).
This section presents the People's Republic of China Ministry of Public Security.
The criminal section of the National Standardization Technical Committee Physical Testing Standardization Technical Committee (SAC/TC179/SC4)
Centralized.
This section is drafted. Shanxi Province Public Security Bureau.
The main drafters of this section. Chen Cheng now.
This part of the standard replaces the previous editions are.
--- GB/T 19267.4-2003.
Criminal and chemical examination of trace evidence
Part 4. Atomic Emission Spectrometry
1 Scope
GB/T 19267 provisions of this part of the atomic sample preparation and processing samples, testing methods emission spectrometry.
This section applies to the technical field of trace evidence in criminal physical and chemical testing, may also refer to other areas of use.
2 Normative references
The following documents contain provisions which, through reference GB/T 19267 in this section, constitute provisions of this part. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 13966 Analytical Instruments terms
GB/T 14666 analytical chemistry terms
3 Terms and Definitions
GB/T 13966, GB/T 14666 and established in the following terms and definitions apply to this section.
3.1
Use the sample atoms (or ions) emitted characteristic line spectrum wavelength or intensity to detect the presence of elements and their content
method.
3.2
Atoms or ions by electron transition between energy levels, emit certain wavelengths of light, generated by a series of fine lines composed of spectrum.
3.3
By a number of light and dark areas separated by band spectra produced after the gas molecules are excited.
3.4
Hot solid or liquid emitted in the entire region of the spectrum spectral lines no boundaries.
3.5
Atoms in the outer electronic transition lines generated. In front of wavelengths marked with the symbol "Ⅰ" indicates that this line is an atomic line.
3.6
Atoms are excited by the loss of one or several electrons radiated spectrum. Atoms are ionized, becoming lost an electron ionization time, losing
Two electrons twice called ionization. Ions generated corresponding line is called a line ionization, ionization line twice. Wave
Long front with the symbol "Ⅱ" indicates once ionization line, with the symbol "Ⅲ" represents twice ionization line.
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