GB/T 13390-2008: Metallic powder - Determination of the specific surface area - Method of nitrogen adsorption

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Scope

This Standard specifies the method for determination of the specific surface
area of metallic powder.
This Standard applies to the determination of the specific surface area of
metallic powder. The determination range is 0.1 m2/g~1000 m2/g. The
determination of the specific surface area of non-metallic powder and
microporous materials may also refer to it for use.
The specific surface area determined in this Standard is the total specific
surface area of the powder, including any open specific surface area where
nitrogen molecules can enter the powder body. It is different from the specific
surface area measured by the air permeation method, which refers to the
envelope surface area.

Basic Data

Standard ID	GB/T 13390-2008 (GB/T13390-2008)
Description (Translated English)	Metallic powder - Determination of the specific surface area - Method of nitrogen adsorption
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H16
Classification of International Standard	77.160
Word Count Estimation	12,133
Date of Issue	2008-03-31
Date of Implementation	2008-09-01
Older Standard (superseded by this standard)	GB/T 13390-1992
Quoted Standard	GB/T 5314
Regulation (derived from)	National Standard Approval Announcement 2008 No.5 (Total No.118)
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 method for the determination of metal powder specific surface area. This standard applies to the determination of the specific surface area of ??metal powder. Measuring range: 0. 1m2/g ~ 1000m2/g. The specific surface area of ??non-metallic powders and porous materials can also be determined with reference to use. This standard specific surface area of ??the powder measured total surface area, including the nitrogen molecules can enter any opening powder body surface area, air permeation method which differs from the specific surface area determined, which means the surface area of ??the envelope.