LST1707.2-2017 English PDF

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LST1707.2-2017: Classification and codes of grain information. Grain storage. Part 2: Classification and codes of stored-grain condition
Status: Valid

LST1707.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LS/T 1707.2-2017	139	Add to Cart	3 days	Classification and codes of grain information. Grain storage. Part 2: Classification and codes of stored-grain condition	Valid
LS/T 1707.2-2004	219	Add to Cart	2 days	Classification and codes of grain information. Grain storage. Part 2: Classification and codes of stored-grain condition	Obsolete

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Basic data

Standard ID: LS/T 1707.2-2017 (LS/T1707.2-2017)
Description (Translated English): Classification and codes of grain information. Grain storage. Part 2: Classification and codes of stored-grain condition
Sector / Industry: Food & Beverage Industry Standard (Recommended)
Classification of Chinese Standard: B20
Classification of International Standard: 35.240.99
Word Count Estimation: 6,624
Date of Issue: 2017-03-10
Date of Implementation: 2017-06-01
Older Standard (superseded by this standard): LS/T 1707.2-2004
Quoted Standard: GB/T 29890
Regulation (derived from): State-Food-Communication No. 1 of 2017
Issuing agency(ies): National Grain Administration
Summary: This standard specifies the principles and methods of classification of food commonly used in grain storage enterprises, code coding method, code structure, coding principle, grain inspection classification and code table and other technical indicators. This standard applies to food industry information processing and information exchange.

LST1707.2-2017: Classification and codes of grain information. Grain storage. Part 2: Classification and codes of stored-grain condition

---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.
Classification and codes of grain information.Grain storage.Part 2. Classification and codes of stored-grain condition ICS 35.240.99 B20 People's Republic of China food industry standard Replace LS/T 1707.2-2004 Food information classification and coding grain storage Part 2. Classification and Code of Food Inspection Part 2.Classificationandcodesofstored-graincondition Published on.2017-03-10 2017-06-01 implementation National Food Bureau released

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Classification Principles and Methods 1 4 coding method and code structure 1 5 coding principle 1 6 Grain condition classification and code table 2

Foreword

LS/T 1707 "Food Information Classification and Coding Grain Storage" is divided into three parts. --- Part 1. Classification and code of warehouse operations; --- Part 2. Classification and code of food situation detection; --- Part 3. Equipment classification and code. This part is the second part of LS/T 1707. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This section replaces LS/T 1707.2-2004. The main technical changes compared with LS/T 1707.2-2004 are as follows. --- Added "hypoxia (< 2%)" "hypoxia (>2% and < 21%)" "normal oxygen content (21%)" "high carbon dioxide content (≥35%)" "Normal carbon dioxide content (0.03%)" "Insecticidal concentration (≥100mL/m3)" "below insecticidal concentration Technical indicators such as (< 100mL/m3)" "bacterial concentration (≥300mL/m3)"; --- Removed the original standard "has a feeding pest", "no feeding pest", "hazardous pest", "non-hazardous pest", because Several items are not operability in production practice; --- Increased the relevant testing content of oil storage. This part is based on GB/T.20001.3-2015 "Standard writing rules Part 3. Classification standards", GB/T 7027-2002 "Information The basic principles and methods of classification and coding, combined with the comprehensive coding of the main grain detection content during grain storage. This part is proposed and managed by the National Grain Bureau. This section drafted by. Henan University of Technology, National Grain and Oil Information Center. The main drafters of this section. Wang Ruolan, Lv Jianhua, Huang Yawei, Yan. The previous versions of the standards replaced by this section are. ---LS/T 1707.2-2004. Food information classification and coding grain storage Part 2. Classification and Code of Food Inspection

1 Scope

This part of LS/T 1707 specifies the classification principles and methods of food rations commonly used in grain storage enterprises, code coding methods, and code knots. Technical indicators such as construction, coding principles, grain inspection classification and code tables. This section applies to information processing and information exchange in the food industry.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 29890 Grain and Oil Storage Technical Specifications

3 Classification principles and methods

3.1 This section classifies and codes the common grain inspection content involved in grain storage enterprises. 3.2 This section uses the line classification method.

4 coding method and code structure

4.1 Coding method 4.1.1 This part adopts the hierarchical code. The code is divided into three levels, and each level is named as a large class, a small class, and a fine class. 4.1.2 This code is represented by 3 digits of Arabic numerals, each layer being represented by a single digit. The first layer code is 1~9, and the second layer code is 1~ 9, the third layer code is 1~9, and each layer code is sequential code. 4.2 Code Structure First class Second class Third layer Code

5 coding principles

5.1 This section basically covers the food situation detection involved in the warehousing enterprise. The order and level of all codes are irrelevant to the importance. 5.2 Codes generally do not use the number “0”.

6 Grain condition classification and code table

The classification and code table of grain inspection are shown in Table 1. Table 1 Classification and code of food inspection Code name description

1 Temperature detection

11 grain temperature 111 Average grain temperature, average grain temperature 112 highest grain temperature 113 Minimum grain temperature 114 Upper grain temperature 115 middle grain temperature 116 lower grain temperature 117 Temperature gradient temperature difference per metre thick grain layer 118 Maximum temperature difference, maximum grain temperature and minimum grain temperature difference 119 Other grain temperature a 12 warehouse temperature 13 Atmospheric temperature

2 humidity detection

21 Atmospheric relative humidity 22 relative humidity in the warehouse 23 Relative humidity in the grain pile

3 Grain quality testing

31 Moisture content 32 smell 33 color 34 impurity content 35 imperfect grain 36 weight 37 fatty acid value 39 Other quality indicators a

4 Gas detection refers to the main gas components in the grain pile

41 Oxygen content 411 hypoxia (< 2%) 412 hypoxia (>2% and < 12%) Table 1 (continued) Code name description 413 Normal oxygen content (21%) 42 Carbon dioxide content 421 high carbon dioxide content (≥35%) 422 Normal carbon dioxide content (0.03%) 43 sulfuryl fluoride concentration 44 phosphine concentration 441 insecticidal concentration (≥100mL/m3) 442 below insecticidal concentration (< 100mL/m3) 443 Antibacterial concentration (≥300mL/m3) 444 does not contain phosphine 45 Nitric oxide content 46 carbon monoxide content 49 Other gas content a

5 pest detection

51 pest species 52 Insect density 53 Insect grain grade judgment GB/T 29890 531 Basic insect-free food is less than or equal to 5 heads/kg, and the main pests are less than or equal to 2 heads/kg 532 General insect food 6 heads/kg~30 heads/kg, main pests 3 heads/kg~10 heads/kg 533 Serious insect grain is more than 30 heads/kg, and the main pests are more than 10 heads/kg 534 dangerous food Infected with the food of phytosanitary stored grain pests in China, Oil

6 Grease storage information

61 oil temperature 611 upper oil temperature 612 middle oil temperature 613 lower oil temperature 62 level 63 capacity a “Others” set in the code is a containment category and contains relevant content that is not included in this code. ......

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