GB/T 19267.3-2008 English PDF

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GB/T 19267.3-2008: Physical and chemical examination of trace evidence in forensic sciences -- Part 3: Molecular Fluorospectrometry
Status: Valid

GB/T 19267.3: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 19267.3-2008	209	Add to Cart	3 days	Physical and chemical examination of trace evidence in forensic sciences -- Part 3: Molecular Fluorospectrometry	Valid
GB/T 19267.3-2003	319	Add to Cart	3 days	Physical and chemical examination of trace evidence in forensic sciences -- Part 3: Molecular fluorospectrometry	Obsolete

Similar standards

GB 16796   GA/T 1788.2   GA/T 424   GB/T 19267.7   GB/T 19267.1   GB/T 19267.11   

Basic data

Standard ID: GB/T 19267.3-2008 (GB/T19267.3-2008)
Description (Translated English): Physical and chemical examination of trace evidence in forensic sciences -- Part 3: Molecular Fluorospectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A92
Classification of International Standard: 13.310
Word Count Estimation: 9,916
Date of Issue: 2008-08-14
Date of Implementation: 2009-03-01
Older Standard (superseded by this standard): GB/T 19267.3-2003
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 test molecule fluorescence spectroscopy methods. This section applies to the field of criminal techniques and chemical examination of trace evidence, can refer to use in other areas.

GB/T 19267.3-2008: Physical and chemical examination of trace evidence in forensic sciences -- Part 3: Molecular Fluorospectrometry

---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.
Physical and chemical examination of trace evidence in forensic sciences Part 3. Molecular Fluorospectrometry ICS 13.310 A92 National Standards of People's Republic of China Replacing GB/T 19267.3-2003 Criminal and chemical examination of trace evidence Part 3. Molecular Fluorescence Spectroscopy 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 319,267. This Part replaces GB/T 19267.3-2003 "criminal and chemical examination of trace evidence in Part 3. Molecular Fluorescence Spectroscopy." This portion of the GB/T 19267.3-2003 compared to the main changes are. --- Additions and deletions to the content of terms and definitions (in this section 3.2 ~ 3.5,3.10, GB/T 19267.3-2003 3.2); --- Modify the contents on the instrument (in this section 5.2.1 - 5.3.3); --- Increasing the content instance (in this section 6.3.3). 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 drafted by. China Criminal Police College. The main drafters of this section. Zhang Zhenyu. This part of the standard replaces the previous editions are. --- GB/T 19267.3-2003. Criminal and chemical examination of trace evidence Part 3. Molecular Fluorescence Spectroscopy

1 Scope

GB/T 19267 provisions of this part of the test methods of molecular fluorescence spectrometry. This section applies to the technical field of trace evidence in criminal physical and chemical testing, other areas can use the reference.

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 19267.2-2008 criminal and chemical examination of trace evidence in Part 2. UV - visible absorption spectroscopy

3 Terms and Definitions

GB/T 13966 and established in the following terms and definitions apply to this section. 3.1 Molecules (atoms or ions can also be) absorb the energy transition to an electronic excited singlet state, total spin quantum number and then return to the same group Electromagnetic radiation emitted when the state. 3.2 At a fixed emission wavelength conditions, the fluorescence intensity with excitation wavelength curve. 3.3 Under fixed conditions of excitation wavelength, the fluorescence emission intensity as a function of wavelength curve. Fluorescence spectra in the usual sense refers to fluorescence emission spectrum. 3.4 Sample to produce fluorescence excitation wavelength of incident light, represented by λex. 3.5 Fluorescence wavelength of the emitted substance, but also the detection of the fluorescence measurement wavelength used in the sample, expressed by λem. 3.6 Material and emission wavelength difference between excitation wavelength (emission wavelength substance is always greater than the excitation wavelength). 3.7 ......

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