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Basic data
| Standard ID | GA/T 957-2011 (GA/T957-2011) |
| Description (Translated English) | Collecting and packaging method for trace evidence. Paint |
| Sector / Industry | Public Security (Police) Industry Standard (Recommended) |
| Classification of Chinese Standard | A92 |
| Classification of International Standard | 13.310 |
| Word Count Estimation | 4,479 |
| Date of Issue | 2011-08-29 |
| Date of Implementation | 2011-10-01 |
| Quoted Standard | GA/T 242-2000 |
| Regulation (derived from) | Industry Standard Record Announcement No. 4 of 2012 (No. 148) |
| Issuing agency(ies) | Ministry of Public Security |
| Summary | This standard specifies the extraction, packaging and requirements of coating material evidence in forensic science. This standard applies to forensic science in the paint material evidence extraction, packaging, other areas can also refer to the use. |
GA/T 957-2011: Collecting and packaging method for trace evidence. Paint
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Collecting and packaging method for trace evidence.Paint
ICS 13.310
A92
People's Republic of China Public Security Industry Standards
Extraction of trace evidence, packing method paint
Issued on. 2011-08-29
2011-10-01 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 in part by the National Information Technology Standardization Technical Committee Technical Committee TESTING Criminal (SAC/TC179/SC4) and proposed
Centralized.
This standard was drafted. Jilin Public Security Bureau Evidence Identification Center.
The main drafters of this standard. Liang Ying, Xie Wenlin.
Extraction of trace evidence, packing method paint
1 Scope
This standard specifies the extraction, packaging and asked the court sciences coating material evidence.
This standard applies to the field of forensic science evidence paints extraction, packaging and other fields may also refer to use.
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.
TESTING term GA/T 242-2000 trace evidence
3 Terms and Definitions
Terms and definitions GA/T 242-2000 define apply to this document.
4 Equipment and Reagents
Evidence extracted paint, packaging, use the following equipment.
a) forceps, scalpels;
b) glass rod slides;
c) sealing the container;
d) evidence bags.
5 Extraction
5.1 is not dried paint can be used to extract a glass rod or a glass slide.
5.2 loose paint chips can be extracted directly with tweezers.
5.3 attached to the carrying paint samples on the object, the object should be hosted in conjunction with the overall extraction; not the whole extract and peelable, should be stripped
extract.
5.4 extraction ratio samples should extract all the adjacent parts of the coating in traces.
5.5 necessary to extract the object carrying a blank sample.
6 Package
6.1 paint is dry, sealed in containers.
6.2 paint chips containing samples with evidence bags.
6.3 the need to maintain the original shape of the paint, costumes should be fixed in a sealed container.
6.4 together with the object carrier be extracted samples, samples adhered to deal with plastic film to protect the site of packaging.
...