GA/T 1654-2019 English PDFUS$139.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GA/T 1654-2019: Forensic sciences--Examination methods for paper elements--Wavelength dispersive X-ray fluorescence spectrometry Status: Valid
Basic dataStandard ID: GA/T 1654-2019 (GA/T1654-2019)Description (Translated English): Forensic sciences--Examination methods for paper elements--Wavelength dispersive X-ray fluorescence spectrometry Sector / Industry: Public Security (Police) Industry Standard (Recommended) Classification of Chinese Standard: A92 Classification of International Standard: 13.310 Word Count Estimation: 6,680 Date of Issue: 2019 Date of Implementation: 2019-12-01 Issuing agency(ies): Ministry of Public Security GA/T 1654-2019: Forensic sciences--Examination methods for paper elements--Wavelength dispersive X-ray fluorescence spectrometry---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. Forensic sciences--Examination methods for paper elements--Wavelength dispersive X-ray fluorescence spectrometry ICS 13.310 A92 Public Safety Industry Standards of the People's Republic of China Forensic science paper element composition inspection Wavelength dispersive X-ray fluorescence spectrometry Published on October 14,.2019 2019-12-01 Implementation Issued by the Ministry of Public Security of the People's Republic of China ForewordThis 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 National Criminal Technology Standardization Technical Committee Physical and Chemical Inspection Sub-Technical Committee (SAC/TC179/SC4) 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. Ding Minju, Shen Wenyi, Gong Youlan, Guo Hongling. Forensic science paper element composition inspection Wavelength dispersive X-ray fluorescence spectrometry1 ScopeThis standard specifies the method of wavelength dispersive X-ray fluorescence spectroscopy in the field of forensic science to check the composition of paper elements. This standard is applicable to the analysis of elemental composition and comparison of paper physical evidence in the field of forensic science. It can also be used in other fields.2 Normative referencesThe 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 242 Terms of physical and chemical testing for forensic science3 Terms and definitionsThe terms and definitions defined in GA/T 242 apply to this document.4 PrincipleWhen the sample is irradiated with strong X-rays, the atoms of each component element are excited to produce secondary characteristic X-rays, namely X-ray fluorescence. Different elements have characteristic X-ray lines of different wavelengths, and the intensity of each line is in a certain degree with the concentration of the element Relationship, the wavelength and intensity of the characteristic X-ray spectrum of the element to be measured can be analyzed qualitatively and quantitatively. In the papermaking process, some fillers, pigments, etc. will be added to increase the performance of the paper, due to the fiber raw materials, fillers, rubber compounds and process strips used. The elements and contents in different papers are different due to different factors such as pieces. Use wavelength dispersive X-ray fluorescence spectrometer The elements in the product are analyzed, so as to realize the inspection and comparison of the elements of the paper.5 Reagents and materialsArgon methane gas (high purity).6 Instruments and equipmentThe required instruments and equipment are as follows. a) Wavelength dispersive X-ray fluorescence spectrometer (with sample box masks of different diameters, hollow sample cups); b) Stereo optical microscope; c) mortar; d) Tablet press; e) Scissors. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GA/T 1654-2019_English be delivered?Answer: Upon your order, we will start to translate GA/T 1654-2019_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 GA/T 1654-2019_English with my colleagues?Answer: Yes. 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