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GB/T 26324-2010: 1-Hydroxyethylidene-1, 1-diphosphonate acid
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 26324-2010 | English | 329 |
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1-Hydroxyethylidene-1, 1-diphosphonate acid
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GB/T 26324-2010
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Basic data | Standard ID | GB/T 26324-2010 (GB/T26324-2010) | | Description (Translated English) | 1-Hydroxyethylidene-1, 1-diphosphonate acid | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G77 | | Classification of International Standard | 13.060.25; 71.100.40 | | Word Count Estimation | 14,153 | | Date of Issue | 2011-01-14 | | Date of Implementation | 2011-12-01 | | Quoted Standard | GB/T 191; GB/T 601; GB/T 602-2002; GB/T 603; GB/T 6678; GB/T 6682; GB/T 8170 | | Regulation (derived from) | National Standard Approval Announcement 2011 No.102 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the corrosion inhibitor hydroxy ethylidene diphosphonic acid (HEDP) requirements, test methods, detection rules and signs, packaging, transport and storage. This standard applies to water treatment agent hydroxy ethylidene diphosphonic acid (HEDP). | GB/T 26324-2010: 1-Hydroxyethylidene-1, 1-diphosphonate acid---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.
1-Hydroxyethylidene-1, 1-diphosphonate acid
ICS 13.060.25; 71.100.40
G77
National Standards of People's Republic of China
Hydroxyethylidene diphosphonic acid
Issued on. 2011-01-04
2011-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of the content of this document may involve patents. Distribution of this document
Institutions do not assume the responsibility to identify these patents.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee of Chemical Water Treatment Chemicals Branch (SAC/TC63/SC5) centralized.
This standard is drafted by. Henan clear Water Technology Co., Ltd., Jiangsu Jianghai Chemical Group Co., Ltd., Guangzhou City Special Order
Pressure Equipment Inspection Institute, Shandong Taihe Water Treatment Co., Ltd., CNOOC Tianjin Chemical Research & Design Institute.
The main drafters of this standard. Zhiqing, Wu guide, Ye Weiwen, Zhuzhuan Jun, Li Lin, Wang Zhongying, Yang Lin, Licui E, Bai Ying, Wang Donghai.
Hydroxyethylidene diphosphonic acid
1 Scope
This standard specifies the scale and corrosion inhibitor hydroxyethylidene diphosphonic acid (HEDP) requirements, test methods, inspection rules and signs, packaging,
Transport and storage.
This standard applies to water treatment agents hydroxyethylidene diphosphonic acid (HEDP).
Molecular formula. C2H8O7P2
Structure.
HO P--
OH
CH3
OH
--P
OH
OH
Molecular weight. 206.03 (according to 2007 international relative atomic mass)
2 Normative references
The following documents for the application of this document is essential. For dated references, only the edition are not applicable to the present
file. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780.1997, MOD)
Preparation of GB/T 601 chemical reagent standard titration solution
GB/T 602-2002 Chemical Reagent preparation impurity standard solution measurement (ISO 6353-1. 1982, NEQ)
GB/T 603 chemical reagent test method Preparations of articles (GB/T 603-2002, ISO 6353-1 with. 1982,
NEQ)
GB/T 6678 General Principles for Sampling Chemical Products
GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
3 Requirements
3.1 Appearance. colorless or light yellow transparent liquid.
3.2 hydroxyethylidene diphosphonic acid was measured by the corresponding test methods shall comply with the requirements of Table 1.
Table 1
Item Index
Active component (HEDP meter) mass fraction /% ≥ 50.0
Phosphate (PO43- to count) mass fraction /% ≤ 0.80
Phosphite (to PO33- meter) mass fraction /% ≤ 2.0
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