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GA/T 1908-2021 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GA/T 1908-2021: Thick solid wood core plywood
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GA/T 1908-2021	279	Add to Cart	3 days	Thick solid wood core plywood	Valid

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Basic data

Standard ID: GA/T 1908-2021 (GA/T1908-2021)
Description (Translated English): Thick solid wood core plywood
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: B70
Classification of International Standard: 13.310
Word Count Estimation: 12,199
Date of Issue: 2021-10-14
Date of Implementation: 2022-05-01
Issuing agency(ies): Ministry of Public Security

GA/T 1908-2021: Thick solid wood core plywood

---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.
ICS 13.310 CCSA92 People's Republic of China Public Security Industry Standards Triptolide A etc. in Forensic Science Biological Samples Liquid Chromatography-Mass Spectrometry for Detecting Four Kinds of Tripterygium Toxins Released on 10-14-2021 2022-05-01 implementation Released by the Ministry of Public Security of the People's Republic of China

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document was proposed by the National Criminal Technology Standardization Technical Committee Toxic Analysis Sub-Technical Committee (SAC/TC179/SC1) and submitted Focus on. This document was drafted by. Physical Evidence Appraisal Center of the Ministry of Public Security, Hangzhou Public Security Judicial Appraisal Center, Criminal Investigation Directorate of Public Security Department of Guangxi Zhuang Autonomous Region Team, Yunnan Provincial Public Security Bureau. The main drafters of this document. Wang Fanglin, Luan Yujing, Ying Jianbo, Huang Kejian, Li Hong. Triptolide A etc. in Forensic Science Biological Samples Liquid Chromatography-Mass Spectrometry for Detecting Four Kinds of Tripterygium Toxins

1 Scope

This document specifies the forensic science biological samples (blood, urine, liver, kidney, stomach and stomach contents) of triptolide A, triptolide Liquid chromatography-mass spectrometry (LC-MS/MS) test method for ketone, triptolide and tripterine. This document is applicable to triptolide A and triptolide in forensic science biological samples (blood, urine, liver, kidney, stomach and stomach contents) Qualitative and quantitative analysis of ketone, triptolide and tripterine. Other test materials can be used as reference.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 6682 Analytical laboratory water specifications and test methods GA/T 122 Toxicological Analysis Terminology

3 Terms and Definitions

The terms and definitions defined in GA/T 122 apply to this document.

4 principles

The blank sample and the added sample were used as controls, and the biological samples were extracted, purified and concentrated according to the requirements of parallel operations, and liquid chromatography was used to Spectrometry-mass spectrometry detection, based on retention time, mass spectrometry characteristic ion pair and ion pair abundance ratio as the basis for qualitative judgment; based on the peak area, the Quantitative analysis was performed by external standard method.

5 Reagents and Materials

5.1 Reagents The experimental water should meet the first-class water specified in GB/T 6682.Unless otherwise stated, all reagents used in the analysis were of analytical grade. Reagents include. a) Methanol (chromatographically pure); b) Acetonitrile (chromatographically pure); c) ethyl acetate; d) 1% sodium hydroxide solution. weigh 1.0g of sodium hydroxide, add a certain amount of water to dissolve and dilute to 100mL; e) Phosphate buffer (pH 6.0). Weigh 8.34 g of sodium dihydrogen phosphate and 0.87 g of disodium hydrogen phosphate respectively, add a certain amount of water Dissolve and dilute to 1000mL; ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GA/T 1908-2021_English be delivered?

Answer: Upon your order, we will start to translate GA/T 1908-2021_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 1908-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GA/T 1908-2021_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.