GB/T 36086-2018 in English

VALID

Nanotechnology—Determination of contact angles of nanopowders—Washburn dynamic pressure method

Issued on:2018-03-15
Implemented on:2018-10-01
File Format:PDF
Delivery:Within 1 day

Price(USD)： $200.00
$194.00

Standard No:	GB/T 36086-2018
Document status:	VALID
Title in English:	Nanotechnology—Determination of contact angles of nanopowders—Washburn dynamic pressure method
Title in Chinese:	纳米技术纳米粉体接触角测量 Washburn动态压力法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Within 1 day
Issued on:	2018-03-15
Implemented on:	2018-10-01
ICS Classification:	71.040.50-Physicochemical methods of analysis
Chinese Classification:	A40-Basic Subject in general
Professional Classification:	GB-National Standard
Related Keywords:	dynamic pressure method dynamic pressure method introduction contact angle nanopowders washburn contact angles
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《GB/T 36086-2018纳米技术纳米粉体接触角测量 Washburn动态压力法》由TC279（全国纳米技术标准化技术委员会）归口，主管部门为中国科学院。

Introduction

1. Standard Overview

This standard specifies the method for measuring the contact angle of nanopowders using the Washburn dynamic pressure method, which is applicable to situations where no chemical reaction, dissolution or swelling occurs when liquid contacts nanopowders.

2. Key terms and symbols

Symbol	Explanation	Unit
K	Slope of the straight line obtained by linear fitting in the △pt relationship diagram	Pa
θ	Contact angle	°
η	Viscosity of the liquid	Pa·s

3. Comparison of standard frameworks

This standard is similar to GB/T 24368 and GB/T 30693 in terms of terminology and methods, but differs in the scope of application and specific measurement techniques. The table shows the comparison results of the main dimensions.

Dimensions	GB/T24368	GB/T30693	GB/T 36086—2018
Scope of application	Detection of hydrophobic pollutants on glass surface	Measurement of contact angle between plastic film and water	Measurement of contact angle of nanopowder
Measurement method	Contact angle method	Contact angle method	Washburn dynamic pressure method

4. Implementation Suggestions

In actual application, it is recommended that:

The test should be carried out in strict accordance with the environmental conditions and instrument requirements in the standard.
Ensure that the powder column preparation process is uniform and consistent to reduce measurement errors.
Calibrate the equipment regularly to ensure the accuracy of the measurement data.
Record all parameters and results in detail in the test report for easy traceability and analysis.

More samples: NB/T 47013.2-2015 JJG 21-2008 DL/T 5154-2012

Sample only — not a preview of GB/T 36086-2018