GB/T 26490-2011 English PDF

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GB/T 26490-2011: Methods for measuring super hydrophobicity of nanomaterials
Status: Valid

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GB/T 26490-2011	209	Add to Cart	3 days	Methods for measuring super hydrophobicity of nanomaterials	Valid

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Basic data

Standard ID: GB/T 26490-2011 (GB/T26490-2011)
Description (Translated English): Methods for measuring super hydrophobicity of nanomaterials
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G04
Classification of International Standard: 71.040.40
Word Count Estimation: 9,923
Date of Issue: 2011-05-12
Date of Implementation: 2012-02-01
Quoted Standard: GB/T 6682-2008; GB/T 19619
Regulation (derived from): Announcement of Newly Approved National Standards No. 6 of 2011
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 performance of nanomaterials ultra amphiphobic detection methods and definitions of terms, methods, principles, instruments and reagents, sample preparation, test conditions, test procedures and results of assessment, testing reports. This standard applies to detect processed through nanotechnology superhydrophobic materials performance and ultra- sulfur oil, the material surface should be uniform, smooth, no deformation (in the vertical component of the surface tension of the liquid under the action) and isotropic solid surface.

GB/T 26490-2011: Methods for measuring super hydrophobicity of nanomaterials

---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.
Methods for measuring super hydrophobicity of nanomaterials ICS 71.040.40 G04 National Standards of People's Republic of China Nanomaterials Super AMPHIPHOBIC performance test method Issued on. 2011-05-12 2012-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard GB/T 1.1-2009 given rule drafting. This standard by the National Standardization Technical Committee nano-nano-materials technology at the Technical Committee (SAC/TC279/SC1) and focal points. This standard is mainly drafted by. Institute of Chemistry. The main drafters of this standard. Jiang Lei. Nanomaterials Super AMPHIPHOBIC performance test method

1 Scope

This standard specifies the hydrophobic properties of nanomaterials super double Detection terms and definitions principle of the method, apparatus and reagents, sample preparation, detection Conditions, test procedures and results evaluation, test reports. Super-hydrophobic and oleophobic properties over the present standard for the detection of nano-technology for processing of materials, the surface should be uniform, smooth, Deformation (in the vertical component of the effect of the liquid surface tension) and isotropic solid surface.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD) GB/T 19619 nanomaterials term

3 Terms and Definitions

GB/T 19619 and defined by the following terms and definitions apply to this document. 3.1 The contact angle contactangle Liquid drop on a solid surface, solid - liquid - gas-phase at the intersection do gas - liquid interface tangent, this tangent with the solid-liquid boundary line between folders Angle, shown in Figure 1. Under test, the contact angle of the solid surface with water called the water contact angle, the contact angle of oil called oil contact angle. Note. The contact angle is one of the main indicators assessed double super sparse material. 3.2 Hydrophobic hydrophobicity Surface water has a very low affinity and non-wetting. 3.3 Oleophobic oleophobicity Surface has a very low affinity for oil and non-wetting. 3.4 Adhesion adhesiveforce The degree of surface hydrophobicity and oleophobic properties. Materials exhibit adhesion droplets, called water adhesion; oil droplets exhibit Adhesion force, known as the oil adhesion. Note. Adhesion is another key indicators assessed double super sparse material. 3.5 Ultra-sparse dual nanomaterials super-hydrophobicitynanomaterials Treated by nano-technology, nano-material having a surface structure, with hydrophobic and oleophobic properties, the water contact angle of not less than 150 °, the contact angle is not oil Less than 120 °, and the aqueous adhesion of not more than 10μN, oil adhesion of not more than 10μN material called super AMPHIPHOBIC nanomaterials. ......

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