GB/T 24368-2009 English PDF

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GB/T 24368-2009: Test method for hydrophobic contamination on glass by contact angle measurement
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24368-2009	229	Add to Cart	3 days	Test method for hydrophobic contamination on glass by contact angle measurement	Valid

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Basic data

Standard ID: GB/T 24368-2009 (GB/T24368-2009)
Description (Translated English): Test method for hydrophobic contamination on glass by contact angle measurement
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G04
Classification of International Standard: 17.040.20
Word Count Estimation: 10,147
Date of Issue: 2009-09-30
Date of Implementation: 2009-12-01
Quoted Standard: GB/T 6682; YY/T 0282
Adopted Standard: ASTM C813-1990 (2004 re-approval), MOD
Regulation (derived from): National Standard Approval Announcement 2009 No.10 (Total No.150)
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 detection by measuring the contact angle of water pollutants sulfur glassy surface Swiss significance, application, influencing factors, test equipment, reagents and materials, test procedures, interpretation of the results. This standard applies to detect by measuring the contact angle of the glass surface of the sulfur water pollutants.

GB/T 24368-2009: Test method for hydrophobic contamination on glass by contact angle measurement

---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 hydrophriction contamination on glass by contact angle measurement ICS 17.040.20 G04 National Standards of People's Republic of China Detection of hydrophobic contaminants on glass surface Contact angle measurement method 2009-09-30 release 2009-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

This standard is modified using ASTMC813-1990 (2004 re-approved) "glass surface hydrophobic contaminant detection contact angle measurement method" (English version). This standard is redrafted according to ASTMC813-1990 (2004 reapproval). Appendix B lists the standard and the number of this standard ASTMC813-1990 (2004 re-approved) chapter number of the control list. Taking into account our national conditions, in the use of ASTMC813-1990 (2004 re-approved), the standard made some changes. Related technology Sexual differences have been incorporated into the text, and a list of these technical differences and their causes is given in Appendix C for reference. This standard also makes the following editorial changes to ASTMC 813-1990 (2004 reapproval). - delete the explanatory section of the ASTM standard number; - to increase the preamble of national standards. Appendix A, Appendix B and Appendix C of this standard are informative. This standard is proposed by the Chinese Academy of Sciences. This standard is under the national standard of nanotechnology standardization technical committee (SAC/TC279). This standard is responsible for drafting units. National Center for Nanoscience. This standard participates in the drafting unit. Beijing Hake test instrument factory. The main drafters of this standard. Wang Huibin, He Meng, Li Yongmin, Gao Jie. Detection of hydrophobic contaminants on glass surface Contact angle measurement method WARNING - This standard does not address all possible safety issues. Before applying this standard, it is the user's responsibility to take appropriate safety Full and healthy measures, and to ensure compliance with the provisions of the relevant national laws and regulations.

1 Scope

This standard specifies the significance, application, influencing factors, test equipment, reagents, and reagents for measuring the hydrophobic contaminants on the glass surface by measuring the contact angle And materials, test procedures, interpretation of results and so on. This standard is applicable to the detection of hydrophobic contaminants on the glass surface by measuring the contact angle.

2 normative reference documents

The terms of the following documents are hereby incorporated by reference into this standard. Whichever is the date of the reference file, which is followed by all (Excluding corrigenda) or revisions do not apply to this standard, however, encourage the parties to reach an agreement under this standard Whether you can use the latest version of these files. For undated references, the latest edition applies to this standard. GB/T 6682 Analytical laboratory water specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) YY/T 0282 injection needle

3 terms and definitions

The following terms and definitions apply to this standard. 3.1 The maximum angle at which the three-phase contact line does not occur when the droplet size is increased. 3.2 Strong affinity for water, wettable. 3.3 Water has a very low affinity, non-wettable. 3.4 When the droplet size is reduced, it is observed that the minimum angle of the three-phase line does not occur. 3.5 The droplets on the upper surface of the horizontal surface (see Figure 1). ......

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