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GB/T 35820-2018 English PDF

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GB/T 35820-2018: Method for analysis of forestry biomass -- Sampling methods
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Basic data

Standard ID GB/T 35820-2018 (GB/T35820-2018)
Description (Translated English) Method for analysis of forestry biomass -- Sampling methods
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B60
Classification of International Standard 79-010
Word Count Estimation 18,145
Date of Issue 2018-02-06
Date of Implementation 2018-09-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 35820-2018: Method for analysis of forestry biomass -- Sampling methods

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Method for analysis of forestry biomass - Sampling methods ICS 79-010 B60 National Standards of People's Republic of China Forest biomass raw materials analysis method sampling method 2018-02-06 released 2018-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 sampling General 3 5 sampling tools and equipment 3 6 sample size 8 7 sampling site 9 8 Combined Sample and Laboratory Sample Preparation 11 9 Sample Marking, Packaging and Shipping 11 Sampling record 12 Appendix A (Normative) Sampling records 13

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the State Forestry Administration. This standard by the National Forestry biomass materials Standardization Technical Committee (SAC/TC416) centralized. This standard was drafted. Northeast Forestry University, China Academy of Forestry Timber Industry Research Institute, Central South University of Forestry and Technology, Xiamen standard Standardization Services Limited. The main drafters of this standard. Xiao Zefang, Wang Qingwen, Zhou Guanwu, Xie Yanjun, Qin Te Fu, Wu Yiqiang, Chen Xiaoling. Forest biomass raw materials analysis method sampling method

1 Scope

This standard specifies the forestry biomass raw material sampling terms and definitions, general sampling, sampling tools and equipment, sampling techniques and samples Marking, packaging and shipping. This standard applies to the particle size of not more than.200mm sampling of forestry biomass materials, forestry biomass raw material bulk density, mechanical strength The degree of particle size distribution, moisture content, chemical composition, ash content, purity and other items of general analysis of the sample preparation can also refer to the use.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. General Principles of Sampling for Solid Chemical Products GB/T 6679-2003 GB/T 21923-2008 General rules for the inspection of solid biomass fuel GB/T 30366-2013 Biomass terms Biomass solid formed fuel sampling method Biomass solid shaped fuel sample preparation method

3 Terms and definitions

GB/T 21923-2008, GB/T 30366-2013 defined and the following terms and definitions apply to this document. 3.1 Forestry biomass forestrybiomass The natural organic matter produced by life activities such as photosynthesis of plants consists of three major polymers of cellulose, hemicellulose and lignin And starch, pectin, protein, extracts and other ingredients, mainly in various forms of wood, bamboo, rattan, straw, nutshell shape It is a renewable natural plant fiber resource. Note. Rewrite GB/T 30366-2013, the definition of 2.1.3. 3.2 Lot lot Under certain conditions, the establishment of the nature of the material for the study of all forest biomass raw materials. When the material is in static state, it is the raw material storage yard All the ingredients in the ground. When the material is dynamic, all the raw materials that pass the sampling point for a certain time interval. Note. The batch of raw materials should be clearly stated, grade and other indicators. 3.3 Sampling The process of collecting a representative sample of a large number of forestry biomass feedstocks. 3.4 Sample A representative portion of the forestry biomass feedstock taken to identify the quality characteristics of forestry biomass feedstocks. Note. Rewrite GB/T 21923-2008, the definition of 3.84.

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