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HYT212-2016: Test method for surface hydrophilicity of reverse osmosis membrane
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| HY/T 212-2016 | English | 189 |
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Test method for surface hydrophilicity of reverse osmosis membrane
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HY/T 212-2016
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Basic data | Standard ID | HY/T 212-2016 (HY/T212-2016) | | Description (Translated English) | Test method for surface hydrophilicity of reverse osmosis membrane | | Sector / Industry | Marine Industry Standard (Recommended) | | Classification of Chinese Standard | A45 | | Classification of International Standard | 07.060 | | Word Count Estimation | 8,810 | | Date of Issue | 2016-11-07 | | Date of Implementation | 2017-02-01 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | Notice of the State Oceanic Administration on the Approval of 11 Marine Industry Standards for Offshore Oil Exploration and Development of Crude Oil Sampling Technology | | Issuing agency(ies) | State Oceanic Administration | | Summary | This standard specifies the hydrophilicity of the reverse osmosis membrane by contact angle method. This standard is applicable to the testing of the hydrophilicity of flat reverse osmosis membranes. | HYT212-2016: Test method for surface hydrophilicity of reverse osmosis membrane---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.
Test method for surface hydrophilicity of reverse osmosis membrane
ICS 07.060
A45
People's Republic of China Marine Industry Standard
Test method for hydrophilicity of reverse osmosis membrane
Released on.2016-11-07
2017-02-01 implementation
Issued by the State Oceanic Administration
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Test principle 2
5 Main reagents and conditions 2
6 Equipment 2
7 Sample preparation 3
8 Test Step 3
9 Data processing 4
10 Test report 4
Reference 5
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents.
This standard was proposed by the Tianjin Sea Water Desalination and Comprehensive Utilization Research Institute of the State Oceanic Administration.
This standard is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283).
Drafting organizations of this standard. Tianjin Seawater Desalination and Comprehensive Utilization Institute of State Oceanic Administration, Guiyang Times Wharton Technology Co., Ltd., Beijing
Bishuiyuan Membrane Technology Co., Ltd.
The main drafters of this standard. Li Qiang, Yu Hui, Pan Xianhui, Song Jie, Zhang Meng, Wu Feiyang, Jin Yan, Li Tianyu.
Test method for hydrophilicity of reverse osmosis membrane
1 Scope
This standard specifies the contact angle method to test the hydrophilicity of reverse osmosis membranes.
This standard applies to the test of the hydrophilicity of flat reverse osmosis membranes.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 6682 Analytical laboratory water specifications and test methods
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Reverse osmosis membrane reverseosmosismembrane
A semi-permeable membrane used in reverse osmosis to separate the solvent from the solute.
[GB/T.20103-2006, definition 4.1.1]
3.2
Contact angle
When the liquid drop contacts the surface of the sample to be tested, the tangent of the gas and liquid contact surface at the intersection of the solid, liquid, and gas forms a clamp
Angle, as shown in Figure 1.
[Rewrite YC/T 424-2011, definition 3.1]
Description.
1---The surface of the sample;
2---droplets;
θ---contact angle.
Note. This figure shows two contact angles greater than 90° (left) and less than 90° (right).
Figure 1 Schematic diagram of contact angle
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