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GBZ26082-2010: Measuring method for DC magnetic susceptibility (magnetic moment) of nanomaterials
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/Z 26082-2010 | English | 189 |
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Measuring method for DC magnetic susceptibility (magnetic moment) of nanomaterials
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GB/Z 26082-2010
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Basic data | Standard ID | GB/Z 26082-2010 (GB/Z26082-2010) | | Description (Translated English) | Measuring method for DC magnetic susceptibility (magnetic moment) of nanomaterials | | Sector / Industry | National Standard | | Classification of Chinese Standard | H21 | | Classification of International Standard | 17.220.20 | | Word Count Estimation | 8,881 | | Date of Issue | 2011-01-10 | | Date of Implementation | 2011-10-01 | | Quoted Standard | GB/T 19619 | | Regulation (derived from) | ?National Standard Approval Announcement 2011 No.1 (Total No.166) | | Issuing agency(ies) | Ministry of Health of the People's Republic of China | | Summary | This standard specifies the measurement of nanomaterials DC susceptibility (magnetic moment) of the terms and definitions, sample preparation and measurement, measuring instruments, measurement procedures and test reports. The technical guidance document applies to the use of electromagnetic induction law made ??superconducting quantum interference device magnetometer and a vibrating sample magnetometer measurements of nanomaterials DC magnetic susceptibility (magnetic moment). Sub-micron scale range of materials can also refer to this standard. | GBZ26082-2010: Measuring method for DC magnetic susceptibility (magnetic moment) of nanomaterials
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Measuring method for DC magnetic susceptibility (magnetic moment) of nanomaterials
ICS 17.220.20
H21
People's Republic of China national standardization of technical guidance documents
Methods of measuring DC magnetic susceptibility (magnetic moment) of nanomaterials
MeasuringmethodforDCmagneticsusceptibility (magneticmoment)
ofnanomaterials
2011-01-10 released
2011-10-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
The guidance of technical documents proposed by the Chinese Academy of Sciences.
The guidance of technical documents by the National Standardization Technical Committee Nano Nanomaterials Technical Committee (SAC/TC279 /
SC1) centralized.
The guiding technical document drafting unit. Chinese Academy of Sciences Institute of Physics National Key Laboratory of superconductivity.
The main drafters of this technical document. Zhang Yingzi, Wen Haihu.
Methods of measuring DC magnetic susceptibility (magnetic moment) of nanomaterials
1 Scope
This Guidance Document specifies the terms and definitions used to measure DC susceptibility (magnetic moment) of nanomaterials, sample preparation and measurement, measuring instruments
Devices, measurement procedures and test reports.
This Guidance Document is applicable to the measurement of superconducting quantum interference magnetometers and vibrating sample magnetometers made by the law of electromagnetic induction
DC magnetic susceptibility (magnetic moment) of nanomaterials. Submicron scale range of materials can also refer to the implementation of this standard.
2 Normative references
The following documents contain provisions which, through reference in this Guidance Document, become the provisions of this Guidance Note document. All dated
Reference documents, all subsequent amendments (not including errata content), or revisions do not apply to this guidance document, however, drums
Recipients of the agreement based on this guidance document are encouraged to study whether the latest versions of these documents are applicable. All undated references
The latest version of this document applies to this guidance document.
GB/T 19619 nanomaterials terminology
3 Terms and definitions
GB/T 19619 established and the following definitions of terms apply to the guidance of technical documents.
3.1
Magnetic moment magneticmoment
Under the action of the magnetic field can change and in turn affect the magnetic field of the medium, called the magnetic medium. For any magnetic material, it is generated by current
The smallest unit of magnetic moment is atom. The atom generates a magnetic moment by the spin of the electron and the movement around the nucleus. The direction of magnetic moment can be right
Hand rules to determine. Its expression see formula (1).
m➝j = A
ji (1)
In the formula.
m➝j --- magnetic moment vector, the unit is ampere square meter (A · m2);
j --- enclosed by the current i enclosed area vector, in square meters (m2);
i --- closed path current, in amperes (A).
According to the magnetic moment in the external magnetic field when the different performance, usually can be simply divided into the following three categories of objects.
a) diamagnetic material. When the external magnetic field, the object itself generated magnetization direction and the applied field opposite;
b) Paramagnetic substance. When the magnetic field is applied, the magnetization direction of the object itself is the same as that of the applied field.
c) Ferromagnetic material. When the applied magnetic field, the object itself produces a strong magnetization and the direction of the applied field. Ferromagnetic
Material is divided into soft magnetic and hard magnetism.
3.2
Magnetization
The total magnetic moment per unit volume of magnetizable material, its expression see formula (2).
M➝ = Σ
m➝j/V (2)
In the formula.
M-- --- magnetization vector, in amperes per meter (A/m);
V --- volume of magnetized material, in cubic meters (m3).
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