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GA/T 1662-2019 English PDF

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US$419.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GA/T 1662-2019: Forensic sciences - Technical specifications for diatom inspection - Microwave digestion-vacuum filtration-microscopy
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GA/T 1662-2019	419	Add to Cart	4 days	Forensic sciences - Technical specifications for diatom inspection - Microwave digestion-vacuum filtration-microscopy	Valid

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Basic data

Standard ID: GA/T 1662-2019 (GA/T1662-2019)
Description (Translated English): Forensic sciences - Technical specifications for diatom inspection - Microwave digestion-vacuum filtration-microscopy
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: A92
Classification of International Standard: 13.310
Word Count Estimation: 18,191
Date of Issue: 2019
Date of Implementation: 2019-12-01
Issuing agency(ies): Ministry of Public Security

GA/T 1662-2019: Forensic sciences - Technical specifications for diatom inspection - Microwave digestion-vacuum filtration-microscopy

---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 - Technical specifications for diatom inspection - Microwave digestion-vacuum filtration-microscopy ICS 13.310 A92 Public Safety Industry Standard of the People's Republic of China Forensic science diatom inspection technical specifications Microwave digestion-vacuum suction filtration-microscopy Published on October 14,.2019 2019-12-01 Implementation Issued by the Ministry of Public Security of the People's Republic of China

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Method principle 1 5 Laboratory conditions 1 6 Sample extraction and storage 4 7 Diatom Inspection 5 8 Results evaluation 8 Appendix A (Normative Appendix) Control Sample Preparation and Inspection 9 Appendix B (Normative Appendix) Cleaning of Microwave Digestion Tank 11 Appendix C (Informative Appendix) Working Conditions of Microwave Digestion Instrument 12 Appendix D (informative appendix) Filter field of view division and image acquisition parameter settings 13

Foreword

This 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. This standard is under the jurisdiction of the National Criminal Technology Standardization Technical Committee Forensic Inspection Sub-Technical Committee (SAC/TC179/SC6). This standard was drafted by. Guangzhou Institute of Criminal Science and Technology, Physical Evidence Evaluation Center of the Ministry of Public Security. Drafters of this standard. Liu Chao, Hu Sunlin, Wen Jinfeng, Tian Xuemei, David Li, Wang Songcai, Zhang Xiaoting, Huang Wei. Forensic science diatom inspection technical specifications Microwave digestion-vacuum suction filtration-microscopy

1 Scope

This standard specifies the microwave digestion-vacuum filtration-microscope method for forensic diatom testing. This standard is applicable to the qualitative and quantitative examination of diatoms in forensic cadaver organs and water samples.

2 Normative references

The following documents are essential for the application of this document. For dated reference documents, 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. GB/T 6682-2008 Specification and test method for analyzing laboratory water GB/T 26814-2011 microwave digestion device GA/T 147-1996 forensic autopsy GA/T 148-1996 Extraction, fixation, packaging and inspection methods of forensic pathology samples JJG550-1988 Trial Verification Regulation of Scanning Electron Microscope

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Diatom A kind of aquatic single cell plant, the size is generally 1μm~500μm.

4 Method principle

In this method, the diatom cell wall silica is resistant to strong acids, microwave digestion is used to remove organic matter, and vacuum suction filtration is used to enrich diatoms and light. Analyze the type and content of diatoms with a scientific microscope (hereinafter referred to as light microscope) or a scanning electron microscope (hereinafter referred to as scanning electron microscope).

5 Laboratory conditions

5.1 Sample extraction room (or anatomy room) 5.1.1 Equipment 5.1.1.1 Basic equipment Meet the requirements of Appendix A in GA/T 147-1996. 5.1.1.2 Water filter device A filter device with a membrane pore size of less than 1 μm should be installed at the tap water outlet. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GA/T 1662-2019_English be delivered?

Answer: Upon your order, we will start to translate GA/T 1662-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GA/T 1662-2019_English with my colleagues?

Answer: Yes. The purchased PDF of GA/T 1662-2019_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+ countries

Question 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.