GB/T 19267.9-2008 English PDFUS$229.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 19267.9-2008: Physical and chemical examination of trace evidence in forensic sciences -- Part 9: Thin layer chromatography Status: Valid GB/T 19267.9: Historical versions
Basic dataStandard ID: GB/T 19267.9-2008 (GB/T19267.9-2008)Description (Translated English): Physical and chemical examination of trace evidence in forensic sciences -- Part 9: Thin layer chromatography Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A92 Classification of International Standard: 13.310 Word Count Estimation: 10,111 Date of Issue: 2008-08-14 Date of Implementation: 2009-03-01 Older Standard (superseded by this standard): GB/T 19267.9-2003 Regulation (derived from): Announcement of Newly Approved National Standards No. 14 of 2008 (total 127) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies test methods TLC. This section applies to the field of criminal techniques and chemical examination of trace evidence, other areas may also refer to the use. GB/T 19267.9-2008: Physical and chemical examination of trace evidence in forensic sciences -- Part 9: Thin layer chromatography---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. Physical and chemical examination of trace evidence in forensic sciences Part 9. Thin layer chromatography ICS 13.310 A92 National Standards of People's Republic of China Replacing GB/T 19267.9-2003 Criminal and chemical examination of trace evidence Part 9. TLC Posted 2008-08-14 2009-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 19267 "criminal and chemical examination of trace evidence" is divided into 12 parts. --- Part 1. Infrared absorption spectrometry; --- Part 2. UV - visible absorption spectroscopy; --- Part 3. Molecular Fluorescence Spectroscopy; --- Part 4. atomic emission spectrometry; --- Part 5. Atomic absorption spectrometry; --- Part 6. Scanning electron microscopy/X-ray spectroscopy; --- Part 7. Gas chromatography - mass spectrometry; --- Part 8. microscopic spectrophotometry; --- Part 9. thin layer chromatography; --- Part 10. gas chromatography; --- Part 11. High performance liquid chromatography; --- Part 12. Thermal Analysis. This section GB/T Part of 919,267. This Part replaces GB/T 19267.9-2003 "criminal and chemical examination of trace evidence in Part 9. TLC." This portion of the GB/T 19267.9-2003 compared to the main changes are. --- On the part of the terms and definitions was modified (in this section and GB/T 19267.9-2003 3.1 ~ 3.3,3.6 textual 3.7); --- In the "quantitative analysis" section, the "quantitative methods" content (in this section 5.3); --- In the "common developer system", delete the "Paint Analysis" (GB/T 19267.9-2003 6.3); --- In the "common developer system", the increase of the "Analysis of the fiber dye" content (section 6.5); --- On the "ink analysis", "ink analysis", "Grease Analysis" three content has been modified (and this part 6.1,6.2,6.4 GB/T 19267.9-2003 of 6.1,6.2,6.5). This section presents the People's Republic of China Ministry of Public Security. The criminal section of the National Standardization Technical Committee Physical Testing Standardization Technical Committee (SAC/TC179/SC4) Centralized. This section drafted by. China Criminal Police College. The main drafters of this section. who knows history. This part of the standard replaces the previous editions are. --- GB/T 19267.9-2003. Criminal and chemical examination of trace evidence Part 9. TLC1 ScopeGB/T 19267 provisions of this part of the testing methods of thin-layer chromatography. This section applies to the technical field of trace evidence in criminal physical and chemical testing, may also refer to other areas of use.2 Normative referencesThe following documents contain provisions which, through reference GB/T 19267 in this section, constitute provisions of this part. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 9008 term liquid chromatography column chromatography and planar chromatography method GB/T 14666 analytical chemistry terms3 Terms and DefinitionsGB/T 9008, GB/T 14666 and established in the following terms and definitions apply to this section. 3.1 The stationary phase such as a glass shop on the carrier board to form a uniform thin layer of the sample to be analyzed is applied to the thin point, and then with a suitable solvent exhibition Open, so as to achieve the separation, identification and quantification purposes planar chromatography. 3.2 Rf Tomographic origin spot center distance from the center to the center of the origin and the solvent (i.e., developing solvent) from the forefront of the ratio, also known as the Rf value, with Represented by the formula. Rf = Distance from the origin to the center of the center of the spot chromatography Origin to the solvent front center distance 3.3 Substances to be separated and reference material than the ratio of the shift in the ratio of the moving distance of a thin layer of material and the reference material or separation, also known as the relative Rf value. 3.4 With adsorption activity and for solid substances chromatographic separation. 3.5 Used as the liquid phase flow in planar chromatography. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 19267.9-2008_English be delivered?Answer: Upon your order, we will start to translate GB/T 19267.9-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 19267.9-2008_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 19267.9-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
