LY/T 3348-2023 English PDF

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LY/T 3348-2023: Text methods for main chemical components of bamboo
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Basic data

Standard ID: LY/T 3348-2023 (LY/T3348-2023)
Description (Translated English): Text methods for main chemical components of bamboo
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B60
Classification of International Standard: 65.020
Word Count Estimation: 10,119
Date of Issue: 2023-06-19
Date of Implementation: 2023-11-01
Issuing agency(ies): State Forestry and Grassland Administration

LY/T 3348-2023: Text methods for main chemical components of bamboo

---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.
ICS 65.020 CCSB60 Forestry Industry Standard of the People's Republic of China Testing methods for main chemical components of bamboo Released on 2023-06-19 2023-11-01 Implementation The State Forestry and Grassland Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed and coordinated by the National Technical Committee for Bamboo and Rattan Standardization (SAC/TC263). This document was drafted by. International Bamboo and Rattan Center, Anhui Agricultural University, Fujian Agriculture and Forestry University, Central South University of Forestry and Technology, China Forestry Science Research Institute, Beijing Forestry University, Nanjing Forestry University, Zhejiang Agricultural and Forestry University, Zhejiang Forestry Research Institute, Guangdong Forestry Research Institute, Southwest University. The main drafters of this document are. Wang Hankun, Yu Yan, Zhang Shuangyan, Li Jing, Li Zhiqiang, Qing Yan, Zhang Xuexia, Chen Hong, Nie Yujing, Zhang Wenfu, Wen Jialong, Li Wanju, Ren Dan, Zhong Shihua, Fang Changhua, Yuan Jing, Zhang Xiaofeng. Testing methods for main chemical components of bamboo

1 Scope

This document describes the methods for the determination of the main chemical components ash, lignin, holocellulose and cellulose in bamboo. This document is applicable to the quantitative analysis of the main chemical components of various bamboo materials. ash, lignin, holocellulose and cellulose.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 2677.1-1993 Sampling of samples for analysis of papermaking raw materials GB/T 2677.2-2011 Determination of moisture content of papermaking raw materials GB/T 2677.6-1994 Determination of organic solvent extract content in papermaking raw materials

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Bamboo lignin A class of amorphous aromatic polymers whose molecular structure contains phenylpropane or its derivatives. 3.2 Bamboo Holocellulose A general term for cellulose and hemicellulose after removing lignin and extracts. 3.3 Bamboo cellulose bamboocelulose A linear polymer compound formed by D-glucose connected by 1,4-β-glycosidic bonds. 3.4 Bamboo ash The residue after incineration at a temperature of (575±25)℃. 4.Bamboo powder sample preparation 4.1 Sample collection Collect bamboo from the same origin and the same bamboo species, and mark the bamboo species, bamboo age, origin, year and month of felling, etc. 4.2 Test material preparation According to the test requirements, the bamboo slices were cut into thin pieces with a length of about 10 mm, a thickness of 1.5 mm and a width of bamboo wall. Collect about 1000g of uniform thin bamboo sample. ......

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