GB/T 24750: Historical versions
| Standard ID | USD | BUY PDF | Lead-Days | Standard Title (Description) | Status |
| GB/T 24750-2023 | 309 |
Add to Cart
|
3 days
|
Ethephon technical material
| Valid |
| GB 24750-2009 | 439 |
Add to Cart
|
3 days
|
[GB/T 24750-2009] Ethephon technical
| Obsolete |
Basic data
Standard ID: GB/T 24750-2023 (GB/T24750-2023)
Description (Translated English): Ethephon technical material
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G25
Classification of International Standard: 65.100
Word Count Estimation: 15,198
Date of Issue: 2023-11-27
Date of Implementation: 2024-06-01
Older Standard (superseded by this standard): GB/T 24750-2009
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
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:
......
Tips & Frequently Asked Questions:
Question 1: How long will the true-PDF of GB/T 24750-2023_English be delivered?
Answer: Upon your order, we will start to translate GB/T 24750-2023_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 GB/T 24750-2023_English with my colleagues?
Answer: Yes. The purchased PDF of GB/T 24750-2023_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 GB/T 24750-2023?
Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 24750-2023 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.
