GA/T 1240-2015 English PDF

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GA/T 1240-2015: Methods for latent fingerprint development by iodine in forensic science
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GA/T 1240-2015	149	Add to Cart	2 days	Methods for latent fingerprint development by iodine in forensic science	Valid

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Basic data

Standard ID: GA/T 1240-2015 (GA/T1240-2015)
Description (Translated English): Methods for latent fingerprint development by iodine 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: 5,526
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, real face room environmental requirements, operating procedures and precautions for iodine smearing. This standard applies to the visualization of potential fingerprints on light-colored non-metallic objects.

GA/T 1240-2015: Methods for latent fingerprint development by iodine 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.
Methods for latent fingerprint development by iodine in forensic science ICS 13.310 A92 People's Republic of China Public Security Industry Standards Forensic science fingerprints appear iodine smoked 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. Chinese People's Public Security University, Ministry of Public Security Evidence Identification Center. The main drafters of this standard. Shihai Qing, JIANG, often Parker. Forensic science fingerprints appear iodine smoked

1 Scope

This standard specifies the method of iodine smoked fingerprints appear principle, equipment, reagents, laboratory environmental requirements, procedures and precautions. This standard applies to latent fingerprints appear on the light non-metallic objects.

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

Terms and definitions GA/T 144-1996 define apply to this document. Principle 4 show When iodine at room temperature or heated gases sublimate, it will be attached to the grease and fingerprints of sweat staining substances will fingerprints, which was shot India; or produce a chemical reaction with the fingerprints of unsaturated fatty substance so that the hand stamped line becomes brown, thus showing fingerprints. 5 equipment, reagents, laboratory environmental requirements 5.1 Device Fume hood, iodine and other smoked. 5.2 Reagents Iodine, ether, ethanol, 1,1,2-trichloro-1,2,2-trifluoroethane, dichloromethane, [alpha] -naphthoflavone like. 5.3 Environmental Laboratory Health clean, well-ventilated.

6 steps and precautions

6.1 Procedure 6.1.1 solution preparation (Formulations) Iodine Recipe. iodine particles dissolved in diethyl ether or ethanol, diethyl ether or ethanol saturated solution dubbed iodine. Fixed Formulation. 0.3gα- naphthoflavone (7,8-benzo-flavone) was dissolved in 10mL dichloromethane was added 90mL of 1,1,2-trichloro - ......

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