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GB/T 24896-2010: Inspection of grain and oils -- Determination of moisture content in paddy -- Near-infrared method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24896-2010 | English | 139 |
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Inspection of grain and oils -- Determination of moisture content in paddy -- Near-infrared method
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GB/T 24896-2010
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Basic data | Standard ID | GB/T 24896-2010 (GB/T24896-2010) | | Description (Translated English) | Inspection of grain and oils -- Determination of moisture content in paddy -- Near-infrared method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B20 | | Classification of International Standard | 67.060 | | Word Count Estimation | 6,632 | | Date of Issue | 2010-06-30 | | Date of Implementation | 2011-01-01 | | Quoted Standard | GB 5491; GB/T 5494; GB/T 5497; GB/T 24899 | | Regulation (derived from) | National Standard Approval Announcement 2010 No.2 (Total No.157) | | 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 determining the near-infrared analysis of rice, terms and definitions brown rice and rice moisture, principle, equipment, sample preparation, determination, result processing and presentation, identify and deal with abnormal samples, accuracy and precision and test reports requirements. This standard applies to rice, brown rice and rapid testing of moisture content. This standard does not apply to arbitration seized face. | GB/T 24896-2010: Inspection of grain and oils -- Determination of moisture content in paddy -- Near-infrared method
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Inspection of grain and oils. Determination of moisture content in paddy. Near-infrared method
ICS 67.060
Y 32
National Standards of People's Republic of China
Inspection of grain and paddy moisture content determination
Near Infrared Spectroscopy
2010-06-30 Issued
2011-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Book People's Republic of China
National standard
Inspection of grain and paddy moisture content determination
Near Infrared Spectroscopy
Foreword
Appendix A of this standard is a normative appendix.
The standard proposed by the National Food Authority.
This standard by the National Standardization Technical Committee OILS.
This standard was drafted. National Food Authority Standard Quality Center, the Hubei Provincial Cereals, Oils and food quality monitoring stations, monitoring the quality of grain and oil products in Anhui Province
Governor inspection station, the National Food Quality Monitoring Center of Guangdong, Zhejiang Cereals, Oils product quality inspection center, Jiangsu Cereals, Oils and Food Bureau of the quality monitoring,
Sichuan grain and oil hub stations, national food quality monitoring center in Guizhou, Yunnan grain and oil products Quality Supervision and Testing Center, Ningxia grain
Oil Products Quality Inspection Center, Beijing Science and Technology Development Co., Ltd. and the letter Changji.
The main drafters of this standard. Zhu light, bears rather, than in London, Liu Yong, Jiang Youyu, a smooth season, Chung Kuo only should Semillon, Chen Jianwei, Li,
Jiang Yan, Xue Bing, Wangxing Lei, Zhao Jian, Liu Zihao, Liu Jian, Wu Lili.
Inspection of grain and paddy moisture content determination
Near Infrared Spectroscopy
1 Scope
This standard specifies the method for the determination of rice near infrared analysis, terms and definitions brown rice and water, principles, equipment, sample system
Equipment, measurement results processing and presentation, and asked to confirm the process, accuracy and precision and test reports abnormal samples.
This standard applies to rice, brown rice and rapid testing moisture content.
This standard does not apply to arbitration inspection.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 5491 grain and oilseeds testing for sampling, and sample method
GB/T 5494 Inspection of grain and grain, oil impurities, imperfect grain inspection
GB/T 5497 grain and oilseeds - Determination of water test
GB/T 24895 Inspection of grain NIR calibration model validation and network management and maintenance of general rules
3 Terms and Definitions
GB/T 24895 established terms and definitions apply to this standard.
Principle 4
Use of water molecules in the C-H, N-H, O-H, C-O bond and other pan-frequency vibration or rotation of the near-infrared light absorption characteristics,
To establish the correlation between rice by near infrared spectroscopy and its moisture content between using chemometric methods to calculate the moisture content of rice samples.
5 Equipment
5.1 NIR analyzer. Add OILS NIR network equipment should meet the requirements of GB/T 24895 in. No added OILS near infrared
Analysis of network equipment, verify eligibility in accordance with GB/T 24895 provisions relating to the calibration model validation.
5.2 sample grinding equipment (applicable to the determination of powdered samples NIR analyzer). particle size distribution and homogeneity of the crushed sample should be consistent with the past
Infrared analyzer calibration model established requirements when. Should be used when using the same manufacturing process and model calibration and verification.
6 Sample Preparation
6.1 The method according to GB 5491 laboratory samples and sample a test sample.
6.2 The test sample by the method of GB/T 5494 removing impurities, broken grains and brown rice outside the valley, a net rice prepared, or prepared as a net rice
Brown rice test sample.
7 Determination
7.1 Determination of preparation before
7.1.1 warm-up and self-test, and daily monitoring by monitoring samples, in the case for at least the near infrared by monitoring sample points per day
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