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GB/T 22906.3-2008: Testing of cores -- Part 3: Determination of moisture content using the oven drying method
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| GB/T 22906.3-2008 | English | 154 |
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Testing of cores -- Part 3: Determination of moisture content using the oven drying method
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GB/T 22906.3-2008
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Basic data | Standard ID | GB/T 22906.3-2008 (GB/T22906.3-2008) | | Description (Translated English) | Testing of cores -- Part 3: Determination of moisture content using the oven drying method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y30 | | Classification of International Standard | 85-010 | | Word Count Estimation | 8,891 | | Date of Issue | 2008-12-30 | | Date of Implementation | 2009-09-01 | | Adopted Standard | ISO 11093-3-1994, IDT | | Regulation (derived from) | National Standard Approval Announcement 2008 No.25 (Total No.138) | | 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 determination of paper core sample moisture content using the oven drying method. This section applies to all kinds of paper core temperature of the water can be specified in the dry evaporation. | GB/T 22906.3-2008: Testing of cores -- Part 3: Determination of moisture content using the oven drying method
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Testing of cores Part 3. Determination of moisture content using the oven drying method
ICS 85-010
Y30
National Standards of People's Republic of China
GB/T 22906.3-2008/ISO 11093-3.1994
Determination of paper core
Part 3. Determination of moisture content
(Oven drying method)
(ISO 11093-3.1994, Paperandboard-Testingofcores-
Part 3. Determinationofmoisturecontentusingthe
ovendryingmethod, IDT)
Posted 2008-12-30 2009-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 22906 "paper core measurement" is divided into nine sections.
--- Part 1. sample taken;
--- Part 2. temperature and humidity of the treated samples;
--- Part 3. Determination of moisture content (oven drying method);
--- Part 4. Determination of dimensions;
--- Part 5. Determination of characteristics of concentric rotation;
--- Part 6. Determination of flexural strength (three-point method);
--- Part 7. Determination of modulus of elasticity (three-point method);
--- Part 8. Determination of natural frequency and the elastic modulus (experimental modal analysis);
--- Part 9. Determination of flat crush strength.
This section GB/T Part of 322,906.
This section identical with the international standard ISO 11093-3.1994 "Paper and board Determination - Part 3. oven drying method to measure
Given moisture content. "
This part is proposed by the China National Light Industry Council.
This part of the National Standardization Technical Committee under the jurisdiction of the paper industry.
This section drafted by. China Pulp and Paper Research Institute, China Paper Association Professional Committee of Standardization.
The main drafters of this section. Gao Jun.
GB/T 22906.3-2008/ISO 11093-3.1994
Determination of paper core
Part 3. Determination of moisture content
(Oven drying method)
1 Scope
This section GB/T 22906 specifies the determination of the sample paper core by an oven drying method moisture content.
This section applies to all kinds of water can Zhixin at a predetermined drying temperature evaporation.
2 Normative references
The following documents contain provisions which, through reference GB/T 22906 in this section constitute provisions of this section. For dated references
Documents, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Research into whether the parties to the agreement to use the latest versions of these documents. For undated references, the latest version applies to
This section.
22906.1 paper core measurement GB/T Part 1. Sample taken (GB/T 22906.1-2008, ISO 11093-1.1994,
IDT)
3 Terms and Definitions
The following terms and definitions apply to this part of the GB/T 22906 of.
3.1
Water quality paper core contained, expressed as a percentage by mass. It is calculated by the wet weight and dry weight accounted for the difference between the wet weight percentage.
3.2
Dried to a constant weight of the sample mass.
3.3
When the difference between two successive weighing the mass does not exceed the quality of the sample that is wet weight of 0.1%, it is considered a sample constant weight is reached.
For 4mm thick cardboard, which weighed two successive time intervals should be at least 7h.
Principle 4
Sampling sample weighed, dried to constant weight of the sample was weighed again.
5 Instruments
5.1 Balances
Accuracy of 0.05% or more of the balance.
5.2 Sample container
Transfer and weighing for the sample, should be waterproof, lightweight materials made of easily deformed.
5.3 Oven
The temperature should be maintained at 105 ℃ ± 2 ℃.
GB/T 22906.3-2008/ISO 11093-3.1994
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