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GA/T 1650-2019: Forensic sciences--Technical specifications for latent fingerprint development from sticky tape surface by carbonic particle reagent
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| GA/T 1650-2019 | English | 139 |
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Forensic sciences--Technical specifications for latent fingerprint development from sticky tape surface by carbonic particle reagent
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GA/T 1650-2019
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Basic data | Standard ID | GA/T 1650-2019 (GA/T1650-2019) | | Description (Translated English) | Forensic sciences--Technical specifications for latent fingerprint development from sticky tape surface by carbonic particle reagent | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | A92 | | Classification of International Standard | 13.310 | | Word Count Estimation | 6,628 | | Date of Issue | 2019 | | Date of Implementation | 2019-12-01 | | Issuing agency(ies) | Ministry of Public Security | GA/T 1650-2019: Forensic sciences--Technical specifications for latent fingerprint development from sticky tape surface by carbonic particle reagent
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Forensic sciences--Technical specifications for latent fingerprint development from sticky tape surface by carbonic particle reagent
ICS 13.310
A92
Public Safety Industry Standards of the People's Republic of China
Forensic Science Carbon Particle Reagent Reveals Sticky Side of Tape
Handprint technical specifications
Published on October 14,.2019
2019-12-01 Implementation
Issued by the Ministry of Public Security of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some content of this document may involve patents. The issuer of this document does not assume responsibility for identifying these patents.
This standard was proposed by the Fingerprint Inspection Sub-Committee of the National Criminal Technology Standardization Technical Committee (SAC/TC179/SC3) and
Be in charge.
This standard was drafted by. Shanghai Municipal Public Security Bureau Material Evidence Appraisal Center, Ministry of Public Security Material Evidence Appraisal Center.
The main drafters of this standard. Sun Shengjun, Qu Huiying, Ma Rongliang, Xue Jing, Yu Kuidong, Yu Jing, Liang Yanlin, Liu Huan, Hu Wenfeng, Han Ke.
Forensic Science Carbon Particle Reagent Reveals Sticky Side of Tape
Handprint technical specifications
1 Scope
This standard specifies the method, applicable objects, equipment, reagents, environmental requirements and operating procedures for the carbon particle reagent to display the sticky surface of the tape.
This standard is applicable to the display of potential fingerprints on the adhesive surface of most tapes.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GA/T 144 Forensic Science Fingerprint Terminology
3 Terms and definitions
The terms and definitions defined in GA/T 144 and the following apply to this document.
3.1
Carbonic particle reagent
A suspension mainly composed of carbon particles, stabilizers and water.
4 Appearance principle
The carbon particles in the carbon particle reagent are fine, black, and have an adsorption force.The use of carbon particles adsorbs the difference between the handprint line and the adhesive surface of the tape.
The carbon particles adsorbed on the handprint lines show the handprints.
5 Equipment, reagents, environmental requirements
5.1 Equipment
Bamboo tweezers, brushes, utensils, water, cameras, etc.
5.2 Reagent
Carbon particle reagent.
5.3 Environmental requirements
Sanitary, clean and well ventilated.
6 Operation steps
6.1 Reagent validation
Before using carbon particle reagents to display the sticky surface fingerprints on the tape, the carbon particle reagents and the similar tape adhesive surface fingerprints should be validated.
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