GA/T 1689-2020 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 1689-2020: Forensic sciences--Technical specifications for bloody fingerprint development by Acid Yellow 7 Status: Valid GA/T 1689: Historical versions
Basic dataStandard ID: GA/T 1689-2020 (GA/T1689-2020)Description (Translated English): Forensic sciences--Technical specifications for bloody fingerprint development by Acid Yellow 7 Sector / Industry: Public Security (Police) Industry Standard (Recommended) Classification of Chinese Standard: A92 Classification of International Standard: 13.310 Word Count Estimation: 6,627 Date of Issue: 2020-03-11 Date of Implementation: 2020-05-01 Issuing agency(ies): Ministry of Public Security GA/T 1689-2020: Forensic sciences--Technical specifications for bloody fingerprint development by Acid Yellow 7---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 Science Technical Specification for Acid Yellow Revealing Occult Blood Fingerprint) ICS 13.310 A92 Public Safety Industry Standards of the People's Republic of China Forensic Science Acid Yellow 7 shows occult blood fingerprints specifications byAcidYelow7 2020-03-11 released 2020-05-01 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 certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This standard was proposed by the Fingerprint Inspection Subcommittee of the National Criminal Technology Standardization Technical Committee (SAC/TC179/SC3) and Focus. Drafting organizations of this standard. People's Public Security University of China, Material Evidence Appraisal Center of Ministry of Public Security. The main drafters of this standard. Zhao Yabin, Luo Yaping, Liu Huan, Qu Huiying, Xue Jing. Forensic Science Acid Yellow 7 shows occult blood fingerprints specifications1 ScopeThis standard specifies the principles, applicable objects, equipment, reagents, laboratory environment requirements, Operation steps and precautions. This standard applies to the display of occult blood fingerprints on non-permeable and partially semi-permeable objects.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GA/T 144 Forensic Science Fingerprint Terminology GA/T 1239-2015 Technical specifications for forensic science ninhydrin display fingerprints3 Terms and definitionsThe following terms and definitions defined in GA/T 1239-2015 and GA/T 144 apply to this document. 3.1 Acid Yellow 7 AcidYelow7 The molecular formula is C19H13N2NaO5S, a reagent capable of fluorescent color reaction with proteins in the blood. Note. The molecular weight is 404.37, non-toxic, soluble in water, and yellow powder.4 Appearance principleAcid yellow can be combined with protein molecules in the blood under weak acid conditions, and its reaction product is excited by a light source in the 440nm band Produce yellow fluorescence, which makes the occult blood fingerprints appear. 5 Equipment, reagents, laboratory environment requirements 5.1 Equipment 440nm band light source, yellow filter. 5.2 Reagents Distilled water, absolute ethanol, acetic acid, 5-sulfosalicylic acid, acid yellow-7. 5.3 Laboratory environment requirements It is clean, well ventilated, and has dark room conditions. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GA/T 1689-2020_English be delivered?Answer: Upon your order, we will start to translate GA/T 1689-2020_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 1689-2020_English with my colleagues?Answer: Yes. The purchased PDF of GA/T 1689-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GA/T 1689-2020?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GA/T 1689-2020 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. |