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GB/T 21124-2007: Determination of black germ kernel in wheat
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21124-2007 | English | 139 |
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Determination of black germ kernel in wheat
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GB/T 21124-2007
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Basic data | Standard ID | GB/T 21124-2007 (GB/T21124-2007) | | Description (Translated English) | Determination of black germ kernel in wheat | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B20 | | Classification of International Standard | 67.020.01 | | Word Count Estimation | 5,527 | | Date of Issue | 2007-10-16 | | Date of Implementation | 2008-04-01 | | Regulation (derived from) | China National Standard Approval Announcement2007 No.11 (Total No.111) | | 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 test methods and definitions wheat black particles. This standard applies to wheat black grain inspection. | GB/T 21124-2007: Determination of black germ kernel in wheat---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.
Determination of black germ kernel in wheat
ICS 67.020.01
B20
National Standards of People's Republic of China
Wheat black embryo test method
2007-10-16 released
2008-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard proposed by the People's Republic of China Ministry of Agriculture.
This standard was drafted. Ministry of Agriculture cereals and products Quality Supervision, Inspection and Testing Center (Harbin).
The main drafters of this standard. Cheng Aihua, Li Xiahui, Wang Lekai, Zhou Guangjun, Zhu Zhendong, Zhang Jiahua, Zhao Naixin, Lan Jing.
Wheat black embryo test method
1 Scope
This standard specifies the definition and test methods of wheat black embryo particles.
This standard applies to the inspection of wheat black embryo.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research
Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard.
GB 5491 grain, oil test sampling, sub-sample method
Inspection of foodstuffs, oils - Impurities, Imperfections - Particle test method GB/T 5494-1985
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Seed embryo dark brown or black particles. Black embryos include black spikes and black specks.
3.2
Due to plant pathogens so that the embryo and embryo around dark brown or black and hurt the embryo of the grain.
3.3
As a result of plant pathogen infestation so embryo and endosperm surface dark brown or black patches, plaque accumulation more than one-half of the surface area of the grain,
Or more than one-half of the abdominal gully of wheat.
4 principle
Dark brown or black fungal infection source. When the infected area is limited to the end of the embryo, the embryo will produce black spots. If the infected area in the grain surface
According to a region, will make the grain appear dark spots. Sensory test, according to the degree of discoloration and size of the characteristics of black granule test.
5 instruments
5.1 Balance. Feel 0.01g.
5.2 Cereal screening. 1.5mm sieve, 4.5mm sieve.
5.3 samplers and sub-sample.
5.4 Analysis disk, tweezers, magnifying glass.
6 test methods
6.1 Sampling
In accordance with the provisions of GB 5491 implementation.
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