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GB/T 24750-2023: Ethephon technical material
Status: Valid GB/T 24750: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24750-2023 | English | 309 |
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Ethephon technical material
| Valid |
GB/T 24750-2023
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| GB 24750-2009 | English | 439 |
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[GB/T 24750-2009] Ethephon technical
| Obsolete |
GB 24750-2009
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PDF similar to GB/T 24750-2023
Basic data | Standard ID | GB/T 24750-2023 (GB/T24750-2023) | | Description (Translated English) | Technical specification for forensic origin identification of audio &; video product | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A92 | | Classification of International Standard | 13.310 | | Word Count Estimation | 8,846 | | Date of Issue | 2023-10-07 | | Date of Implementation | 2023-12-01 | | Older Standard (superseded by this standard) | SF/Z JD0300002-2015 | | Issuing agency(ies) | Ministry of Justice of the People's Republic of China | | Summary | This standard specifies the equipment and tools, steps and methods, recording requirements and identification opinions for the homology identification of audio and video products in the identification of audio and video materials. This document is applicable to the homology identification of audio and video products in the identification of audio and video materials in the field of forensic identification. | GB/T 24750-2023: Ethephon technical material---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 65:100
CCSG25
National Standards of People's Republic of China
Replace GB/T 24750-2009
Ethephon technical drug
Published on 2023-11-27
2024-06-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents"
Drafting:
This document replaces GB/T 24750-2009 "Ethephon Technical Materials": Compared with GB/T 24750-2009, except for structural adjustment and editing
In addition to the modifications, the main technical changes are as follows:
---Changed the ethephon mass fraction indicator (see 4:2, 3:2 of the:2009 version);
---Added 2-chloroethylphosphonate-2-chloroethyl ester mass fraction items and indicators (see 4:2);
--- Added ion chromatography method for determination of ethephon mass fraction (see 5:5:1);
---Added inspection rules (see Chapter 6);
---Increased the quality assurance period of ethephon technical material (see 7:2):
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed by China Petroleum and Chemical Industry Federation:
This document is under the jurisdiction of the National Pesticide Standardization Technical Committee (SAC/TC133):
This document was drafted by: Shaoxing Donghu Hi-Tech Co:, Ltd:, ADAMA Anbang (Jiangsu) Co:, Ltd:, Anhui Hongfeng Fine Chemical Co:, Ltd:
Co:, Ltd:, Huanghua Hongcheng Enterprise Co:, Ltd:, Hebi Quanfeng Biotechnology Co:, Ltd:, and Shenyang Shenyang Chemical Institute Testing Technology Co:, Ltd:
The main drafters of this document: Sun Hongfeng, Ji Xiaoying, Jiang Yutian, Zhu Mengyu, Wu Xiaojun, Liu Kun, Wang Jianguo, and Huang Jin:
The previous versions of this document and the documents it replaces are as follows:
---First published as GB/T 24750-2009 in:2009;
---This is the first revision:
Ethephon technical drug
1 Scope
This document stipulates the technical requirements, inspection rules, acceptance and quality assurance periods of ethephon technical materials, as well as signs, labels, packaging, storage
This paper describes the test method of ethephon technical material:
This document is applicable to the quality control of ethephon technical products:
Note: See Appendix A for other names, structural formulas and basic physical and chemical parameters of ethephon, 2-chloroethyl 2-chloroethylphosphonate (MEPHA) and 1,2-dichloroethane:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
GB/T 601 Preparation of chemical reagent standard titration solution
GB/T 603 Preparation of preparations and products used in chemical reagent test methods
GB/T 1601 Determination of pH value of pesticides
GB/T 1604 Commercial Pesticide Acceptance Rules
GB/T 1605-2001 Sampling methods for commercial pesticides
GB 3796 General principles for pesticide packaging
GB/T 8170-2008 Numerical rounding rules and representation and determination of limit values
GB/T 28136-2011 Method for determination of water-insoluble pesticides
3 Terms and definitions
There are no terms or definitions to be defined in this document:
4 Technical requirements
4:1 Appearance
White to light brown waxy solid:
4:2 Technical indicators
Ethephon technical material should meet the requirements of Table 1:
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