GA/T 1238-2015 English PDF

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GA/T 1238-2015: Technical specifications for latent fingerprint development by DFO in forensic science
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GA/T 1238-2015	149	Add to Cart	2 days	Technical specifications for latent fingerprint development by DFO in forensic science	Valid

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Basic data

Standard ID: GA/T 1238-2015 (GA/T1238-2015)
Description (Translated English): Technical specifications for latent fingerprint development by DFO in forensic science
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: A92
Classification of International Standard: 13.310
Word Count Estimation: 5,582
Date of Issue: 2015-02-11
Date of Implementation: 2015-02-11
Quoted Standard: GA/T 144-1996
Regulation (derived from): Notice on Publication of Public Safety Industry Standard (Year 2015); Industry Standard Record Announcement No. 2016 (No. 197)
Issuing agency(ies): Ministry of Public Security
Summary: This standard specifies the principles, equipment, reagents, laboratory environmental requirements, operating procedures and precautions for DFO to display fingerprints. This standard applies to the development of potential fingerprints on isoparametric objects on most papers.

GA/T 1238-2015: Technical specifications for latent fingerprint development by DFO in forensic science

---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.
Technical specifications for latent fingerprint development by DFO in forensic science ICS 13.310 A92 People's Republic of China Public Security Industry Standards Visualizing Fingerprints Forensic Science DFO Technical Specifications forensicscience Issued on. 2015-02-11 2015-02-11 implementation People's Republic of China Ministry of Public Security

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Please note that some of the content of this document may involve patents. Distribution of this document Institutions do not assume the responsibility to identify these patents. This standard by the National Standardization Technical Committee on Forensic Science and Technology fingerprint examination Standardization Technical Committee (SAC/TC179/SC3) mention And the focal point. This standard was drafted. Ministry of Public Security Evidence Identification Center. The main drafters of this standard. the song will be in English, Hu Wenfeng, Marong Liang, Wu Hao, Xue Jing. Visualizing Fingerprints Forensic Science DFO Technical Specifications

1 Scope

This standard specifies the DFO show fingerprints principles, equipment, reagents, laboratory environmental requirements, procedures and precautions. This standard applies to the permeability of the object appear latent fingerprints on most paper.

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. GA/T 144-1996 fingerprint professional terminology

3 Terms and Definitions

GA/T 144-1996 defined by the following terms and definitions apply to this document. 3.1 1,8-9-one 1,8-diazafluoren-9-one; DFO Amino acids, peptides fluorescence analysis reagents, yellow crystals reacted with α- amino acid to yield a highly fluorescent substance. 3.2 Hydrofluoroether 7100 hydrogenfluorineether7100; HFE7100 A colorless clarified liquid with a slight odor of fluoride, wherein Methoxy-9-fluoro-butane (C4F9OCH3) content of 99.5%, can be used To replace freon and other substances. Principle 4 show DFO with fingerprints remaining material in the amino acid reaction, the reaction product is blue-green light (470nm ~ 550nm) excitation will be issued Orange-red fluorescence, thereby fingerprints revealed. 5 equipment, reagents, laboratory environmental requirements 5.1 Device Electric oven, DFO show cabinet, light blue-green, orange-red filter or filters and the like. 5.2 Reagents The DFO, ethanol, acetic acid, ethyl acetate, 1,1,2-trichloro-1,2,2-trifluoroethane, petroleum ether, and other organic solvents HFE7100. 5.3 Environmental Laboratory Health clean, well-ventilated, with darkroom conditions. ......

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