GB/T 35814-2018 English PDF

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GB/T 35814-2018: Method for analysis of forestry biomass -- Preparation of samples
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Basic data

Standard ID: GB/T 35814-2018 (GB/T35814-2018)
Description (Translated English): Method for analysis of forestry biomass -- Preparation of samples
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B60
Classification of International Standard: 79.010
Word Count Estimation: 6,655
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 35814-2018: Method for analysis of forestry biomass -- Preparation of samples

---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.
Method for analysis of forestry biomass - Preparation of samples ICS 79.010 B60 National Standards of People's Republic of China Forestry biomass materials analysis Sample handling methods 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

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, Nanjing University of Technology, Southwest Forestry University, Central South University of Forestry and Technology, China Forestry Science Institute of Timber Industry, Beijing Forestry University, Nanjing Forestry University, Xiamen S & P standardization Services Limited. The main drafters of this standard. Song Yongming, Wang Qingwen, Yue Kong, Zheng Zhifeng, Qing Yan, Jiang Jia Li, Gao Qiang, Xu Chaoyang, Xu Jinfei. Forestry biomass materials analysis Sample handling methods

1 Scope

This standard specifies the terms and definitions of sample processing forestry biomass raw materials, sample processing general principles, reagents and materials, apparatus and equipment, Sample Handling Methods (A, B, C), Sample Storage and Test Report. This standard applies to forestry biomass samples processing.

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. GB/T 21923-2008 General rules for the inspection of solid biomass fuel GB/T 30366-2013 Biomass terms

3 Terms and definitions

GB/T 21923-2008 and GB/T 30366-2013 define the following terms and definitions apply to this document. For convenience Use, the following repetition lists some of the terms and definitions GB/T 21923-2008 and GB/T 30366-2013. 3.1 Forestry biomass forestrybiomass Biomass produced during forestry production and processing. Mainly include forest products (such as wood, bamboo, rattan, etc.), forestry residues (such as branches Ah, sawdust, sawdust, tops, skin and truncated heads, harvesting residues and processing residues such as nutshell and kernels, papermaking waste, and discarded wood) Energy forest. [GB/T 30366-2013, Definition 2.1.3] 3.2 Sampledivision sampledivision The sample or sample is divided into representative, separate part of the sample preparation process. [GB/T 21923-2008, Definition 3.82]

4 sample processing

The main purpose of sample processing is to process the sample into analytical samples that represent the characteristics of the original sample by drying, crushing, screening and other steps. The principle of sample handling is that the composition and quality characteristics of the original sample do not change during sample processing.

5 Reagents and materials

5.1 acetone, analytical grade. 5.2 Dry ice (solid carbon dioxide). Purity not less than 90%. ......

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