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LY/T 1929-2023: Test methods on basic physical and chemical properties of bamboo charcoal
Status: Valid LY/T 1929: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 1929-2023 | English | 339 |
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Test methods on basic physical and chemical properties of bamboo charcoal
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LY/T 1929-2023
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| LY/T 1929-2010 | English | 519 |
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Test on the elementary physical and chemical properties of bamboo charcoal
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LY/T 1929-2010
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PDF similar to LY/T 1929-2023
Basic data | Standard ID | LY/T 1929-2023 (LY/T1929-2023) | | Description (Translated English) | Test methods on basic physical and chemical properties of bamboo charcoal | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B70 | | Classification of International Standard | 79.060.20 | | Word Count Estimation | 17,141 | | Date of Issue | 2023-06-19 | | Date of Implementation | 2023-11-01 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 1929-2023: Test methods on basic physical and chemical properties of bamboo charcoal---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 79.060.20
CCSB70
Forestry Industry Standard of the People's Republic of China
Replace LY/T 1929-2010, LY/T 3203-2020
Test methods for basic physical and chemical properties of bamboo charcoal
bamboocharcoal
Released on 2023-06-19
2023-11-01 Implementation
The State Forestry and Grassland Administration issued
Table of Contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Test methods 1
4.1 Determination of density 1
4.2 Determination of moisture content
4.3 Determination of volatile matter content
4.4 Determination of ash content 5
4.5 Determination of fixed carbon content 6
4.6 Determination of pH 7
4.7 Determination of resistivity 7
4.8 Determination of degree of refining 10
4.9 Determination of calorific value 11
4.10 Determination of infrared emissivity 12
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.
This document replaces LY/T 1929-2010 "Test methods for basic physical and chemical properties of bamboo charcoal" and LY/T 3203-2020 "Test methods for basic physical and chemical properties of bamboo charcoal"
Compared with LY/T 1929-2010 and LY/T 3203-2020, except for structural adjustments and editorial changes,
In addition, the main technical changes are as follows.
--- Changed the terms and definitions 3.1 and 3.2 (see Chapter 3, Chapter 3 of LY/T 1929-2010);
--- Changed LY/T 1929-2010 4.1 Determination of density [changed the original LY/T 1929-2010 "density" to "surface
Apparent density” and the test method was modified (see 4.1.3)];
--- Added particle density, tap density and corresponding test methods (see 3.1.1, 3.1.2);
--- Changed the determination methods of resistivity and refining degree (see 4.7.2, 4.8);
--- Added the determination method of infrared emissivity (see 4.10).
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. Zhejiang Agriculture and Forestry University, Zhejiang Fangyuan Testing Group Co., Ltd., Fujian Zhujia Women's Industry and Trade Co., Ltd., Zhejiang
Shuangqiang Bamboo & Wood Co., Ltd., Dehua Rabbit Baby Decoration New Materials Co., Ltd., International Bamboo and Rattan Center, Zhejiang Jizhu Biotechnology Co., Ltd.,
Sichuan Jinglei Technology Co., Ltd., Zhejiang Wanglin Biotechnology Co., Ltd., Zhejiang Fulaisen Bamboo Charcoal Co., Ltd., Zhejiang Weikang Daily Necessities
Co., Ltd., Wenzhou Yongtai Bamboo Industry Co., Ltd., Ningbo Zhonghe Carbon New Energy Technology Co., Ltd., Jianou Hengshun Carbon Industry Co., Ltd., Jiangshan Ou
Pai Door Industry Co., Ltd., Fujian Forestry Research Institute, Jiangxi Forestry Academy, Shanghai Huayan Testing Technology Co., Ltd., Zhejiang Province
Quzhou Polytechnic School.
The main drafters of this document are. Zhang Wenbiao, Li Wenzhu, Li Min, Zhong Jinhuan, Li Lan, Wu Qiang, Ying Weijun, Yu Wenjun, Huang Jingda, Ma Zhongqing,
Cai Bo, Mao Jianv, Du Songqing, Liu Xueyu, Wang Guorui, Fang Xiaolong, Yang Jie, Huang Hui, Wang Xiaoqing, Fang Fahua, Wang Weidong, Lian Suxiang, Yan Wangfeng,
Wang Zhengyu, Ren Lingying, and Zheng Guoyou.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2001 as LY/T 1929-2010;
---This is the first revision and incorporates LY/T 3203-2020.
Test methods for basic physical and chemical properties of bamboo charcoal
1 Scope
This document describes the density, moisture content, ash content, volatile matter content, fixed carbon content, pH, resistivity, degree of refining, calorific value of bamboo charcoal.
and infrared emissivity test methods.
This document is applicable to fuel, air purification, household daily necessities, humidity control and preservation, water purification, toiletries, food, electromagnetic shielding and new energy
Bamboo charcoal for materials and other purposes.
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 1033.1-2008 Plastics - Determination of density of non-cellular plastics - Part 1.Immersion method, liquid pycnometer method and titration method
GB/T 1636-2008 Plastics Determination of apparent density of materials that can flow out of a specified funnel
GB/T 6682-2008 Specifications and test methods for water used in analytical laboratories
GB/T 21354-2008 General method for determination of tap density of powder products
LY/T 2483-2015 Terminology of bamboo charcoal products
3 Terms and definitions
The terms and definitions defined in LY/T 2483-2015 and the following apply to this document.
3.1
Bamboo charcoal powder
Bamboo charcoal that has been crushed or ground to a particle size less than or equal to 1 mm.
3.2
Small pieces and crushed bamboo charcoal, bamboo charcoal with particle size greater than 1mm.
4 Test methods
4.1 Determination of density
4.1.1 Particle density
4.1.1.1 Method Summary
For irregular bamboo charcoal particles, according to Archimedes principle, a solid density meter (composed of an electronic balance, density software, density accessories, etc.) is used.
The density of bamboo charcoal is measured by a combination of an instrument and a charcoal granule. The larger the size of the charcoal, the more it can be broken up before measurement. The charcoal in the form of a cylinder or sheet can also be measured.
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