HYT212-2016 English PDF

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HYT212-2016: Test method for surface hydrophilicity of reverse osmosis membrane
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
HY/T 212-2016	189	Add to Cart	3 days	Test method for surface hydrophilicity of reverse osmosis membrane	Valid

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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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