GB/T 5492-2008 PDF English
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GB/T 5492: Historical versions
| Standard ID | USD | BUY PDF | Delivery | Standard Title (Description) | Status |
| GB/T 5492-2008 | 85 | Add to Cart | Auto, 9 seconds. | Inspection of grain and oils -- Identification of colour, odour and taste of grain and oilseeds | Valid |
| GB/T 5492-1985 | 199 | Add to Cart | 2 days | Inspection of grain and oilseeds--Methods for identification of colour, odour and taste | Obsolete |
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GB/T 5492-2008: Inspection of grain and oils -- Identification of colour, odour and taste of grain and oilseeds
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NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 67.040 X 04 Replacing GB/T 5492-1985 Inspection of grain and oils - Identification of colour, odour and taste of grain and oilseeds Issued on. NOVEMBER 04, 2008 Implemented on. JANUARY 20, 2009 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China.
Table of Contents
Foreword... 3 1 Scope... 4 2 Normative references... 4 3 Principle... 5 4 Equipment... 5 5 Environment and laboratory... 5 6 Operating procedures... 5 7 Result representation... 6Foreword
This Standard replaces GB/T 5492-1985 “Inspection of grain and oilseeds - Methods for identification of colour, odour and taste”. Compared with GB/T 5492-1985, the main changes of this Standard are as follows. - MODIFY the name of the standard; - ADD the normative references and principle; - ADD the requirements for environment and laboratory; - IMPROVE the methods for identification of colour, odour and taste of grain and oilseeds; - ADD the sample size for identification; - DELETE the original annex of this Standard. This Standard was proposed by State Grain Administration. This Standard shall be under the jurisdiction of National Technical Committee on Grain and Oil of Standardization Administration of China. Drafting organizations of this Standard. Henan University of Technology, Beijing Inspection Institute of Grain, Oil and Foodstuffs, Nanjing University of Finance and Economics, Hubei National Grain and Oil Quality Monitoring Center, Heilongjiang National Grain and Oil Quality Monitoring Center, Henan National Grain and Oil Quality Monitoring Center. Main drafters of this Standard. Zhang Yurong, Zhou Xianqing, Bian Ke, Zhang Yuqin, Yuan Jian, Yu Dunnian, Xiong Ning, Wang Zhiming, Song Xiujuan, Yin Chenghua. The previous released version replaced by this Standard is as follows. - GB/T 5492-1985. Inspection of grain and oils - Identification of colour, odour and taste of grain and oilseeds1 Scope
This Standard specifies the principle, equipment, environment and laboratory, operating procedures and result representation of the identification of colour, odour and taste of grain and oilseeds. This Standard applies to the identification of colour, odour and taste of commercial grain and oilseeds.2 Normative references
The following documents contain the provisions which, through reference in this Standard, become the provisions of this Standard. For dated references, their subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard. However, the parties who enter into agreement based on this Standard are encouraged to investigate whether the latest versions of these documents are applicable. For undated reference documents, the latest versions apply to this Standard. GB 5491 Inspection of grain and oilseeds - Methods for sampling and sample reduction GB/T 10220 Sensory analysis - Methodology - General guidance GB/T 13868 Sensory analysis - General guidance for the design of test rooms3 Principle
Take a certain amount of sample, remove impurities, and identify its colour, odour, and taste by means of sensory organs according to the specified methods under the specified conditions. It is expressed as “normal” or “abnormal”.4 Equipment
4.1 Balance. The division value is 1 g. 4.2 Grain sieve. 4.3 Flat plate (20 cm × 40 cm) with black paper attached.5 Environment and laboratory
The environment shall comply with the provisions of GB/T 10220 and GB/T 22505.6 Operating procedures
6.1 Preparation of sample Sampling and sample reduction are performed according to GB 5491.The sample shall be free of impurities. 6.2 Identification of colour 6.3 Identification of odour 6.3.1 TAKE 20 g ~ 50 g of sample, PUT them in the palm of your hand, RAISE the temperature of the sample by breath or rubbing, and immediately SMELL the odour. 6.4 Identification of taste Paddy and rice shall be implemented according to Annex B of GB/T 20569- 2006.7 Result representation
7.1 The results of identification of colour and odour of grain and oilseeds are expressed as “normal” or “abnormal”. The “abnormal” shall be explained. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
