GA/T 823.1-2018 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GA/T 823.1-2018 | English | 139 |
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Examination methods for paint evidence in forensics - Part 1: Color comparison
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GA/T 823.1-2018: Examination methods for paint evidence in forensics - Part 1: Color comparison---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GAT823.1-2018
Examination methods for paint evidence in forensics - Part 1. Color comparison
ICS 13.310
A92
People's Republic of China Public Safety Industry Standard
Forensic science paint certificate test method
Part 1. Color comparison test
Examinationmethodsforpaintevidenceinforensics-
Part 1. Colorcomparison
Published on.2018-06-25
2018-06-25 implementation
Ministry of Public Security
Foreword
GA/T 823 "Test Method for Paint Materials Certificate" is divided into four parts.
--- Part 1. Color comparison test;
---Part 2. Infrared absorption spectroscopy;
--- Part 3. Scanning electron microscopy/X-ray spectroscopy;
--- Part 4. Laser Raman spectroscopy.
This part is the first part of GA/T 823.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents.
This part is proposed by the National Criminal Technology Standardization Technical Committee Technical Committee for Physical and Chemical Testing Standardization (SAC/TC179/SC4).
Go out and return.
This section drafted by. Shanghai Municipal Public Security Bureau physical evidence appraisal center, the Ministry of Public Security material certification center.
The main drafters of this section. Ding Minju, Ling Youqing, Tao Keming.
Forensic science paint certificate test method
Part 1. Color comparison test
1 Scope
This part of GA/T 823 specifies the color comparison test method for paints.
This section applies to the color comparison test of paint samples in the forensic science field, and other fields can also be used as reference.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GA/T 242 Physicochemical test terminology for trace evidence
GSB05-1426-2001 Paint film color standard sample card
3 Terms and definitions
The terms and definitions defined in GA/T 242, GSB05-1426-2001 apply to this document.
4 instruments and materials
The instruments and materials required are as follows.
---Surgical knives, separation needles, etc.;
---CIE standard illuminator source;
--- Stereo microscope;
---GSB05-1426-2001 paint film color standard color sample card.
5 color standard
GSB05-1426-2001 paint film color standard color sample card includes the color of the main color paint products that are currently produced and used.
83 colors. The full name of the color standard is represented by a number plus a name, which is numbered by one or two uppercase English letters and two Arabic numerals.
Word composition, English letters indicate hue, Arabic numerals distinguish different colors of the same hue.
6 sample processing
6.1 Place the sample under the same carrier and light source as close as possible.
6.2 Observe the color, level and thickness of the paint.
6.3 Strip paint samples with a suitable tool such as a scalpel or a separation needle.
GA/T 823.1-2018
Examination methods for paint evidence in forensics - Part 1. Color comparison
ICS 13.310
A92
People's Republic of China Public Safety Industry Standard
Forensic science paint certificate test method
Part 1. Color comparison test
Examinationmethodsforpaintevidenceinforensics-
Part 1. Colorcomparison
Published on.2018-06-25
2018-06-25 implementation
Ministry of Public Security
Foreword
GA/T 823 "Test Method for Paint Materials Certificate" is divided into four parts.
--- Part 1. Color comparison test;
---Part 2. Infrared absorption spectroscopy;
--- Part 3. Scanning electron microscopy/X-ray spectroscopy;
--- Part 4. Laser Raman spectroscopy.
This part is the first part of GA/T 823.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents.
This part is proposed by the National Criminal Technology Standardization Technical Committee Technical Committee for Physical and Chemical Testing Standardization (SAC/TC179/SC4).
Go out and return.
This section drafted by. Shanghai Municipal Public Security Bureau physical evidence appraisal center, the Ministry of Public Security material certification center.
The main drafters of this section. Ding Minju, Ling Youqing, Tao Keming.
Forensic science paint certificate test method
Part 1. Color comparison test
1 Scope
This part of GA/T 823 specifies the color comparison test method for paints.
This section applies to the color comparison test of paint samples in the forensic science field, and other fields can also be used as reference.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GA/T 242 Physicochemical test terminology for trace evidence
GSB05-1426-2001 Paint film color standard sample card
3 Terms and definitions
The terms and definitions defined in GA/T 242, GSB05-1426-2001 apply to this document.
4 instruments and materials
The instruments and materials required are as follows.
---Surgical knives, separation needles, etc.;
---CIE standard illuminator source;
--- Stereo microscope;
---GSB05-1426-2001 paint film color standard color sample card.
5 color standard
GSB05-1426-2001 paint film color standard color sample card includes the color of the main color paint products that are currently produced and used.
83 colors. The full name of the color standard is represented by a number plus a name, which is numbered by one or two uppercase English letters and two Arabic numerals.
Word composition, English letters indicate hue, Arabic numerals distinguish different colors of the same hue.
6 sample processing
6.1 Place the sample under the same carrier and light source as close as possible.
6.2 Observe the color, level and thickness of the paint.
6.3 Strip paint samples with a suitable tool such as a scalpel or a separation needle.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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