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GB/T 29902-2013: Standard method of evaluating wood preservatives in a soil bed
Status: Valid
| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| GB/T 29902-2013 | English | 279 |
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Standard method of evaluating wood preservatives in a soil bed
| Valid |
Basic data
| Standard ID | GB/T 29902-2013 (GB/T29902-2013) |
| Description (Translated English) | Standard method of evaluating wood preservatives in a soil bed |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | B71 |
| Classification of International Standard | 71.100.50 |
| Word Count Estimation | 12,140 |
| Quoted Standard | GB/T 13942.2; GB/T 14019; GB/T 23229; NY/T 52 |
| Regulation (derived from) | National Standards Bulletin No. 22 of 2013 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies the rapid evaluation of antimicrobial interior wood preservatives bed soil degradation performance test method. This standard applies to all kinds of wood preservatives. |
GB/T 29902-2013: Standard method of evaluating wood preservatives in a soil bed
---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.
Standard method of evaluating wood preservatives in a soil bed
ICS 71.100.50
B71
National Standards of People's Republic of China
Test methods for wood preservatives soil bed PERFORMANCE EVALUATION
Issued on. 2013-11-12
2014-04-11 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard was proposed by the State Forestry Administration.
This standard by the National Standardization Technical Committee timber (SAC/TC41) centralized.
This standard was drafted. Guangdong Provincial Academy of Forestry Sciences, Chinese Academy of Forestry Wood Industry Research Institute, Guangdong Provincial Quality Supervision
Forest Products Inspection Station, the State Forestry Administration Forest Products Quality Inspection and Testing Center (Guangzhou).
The main drafters of this standard. Su Haitao, He Xuexiang, Maxing Xia, Zhang Yanjun, Xiegui Jun, Chen Lifang, Jiang Mingliang, Ma Hongxia, Li Xingwei,
Habitat Xie language.
Test methods for wood preservatives soil bed PERFORMANCE EVALUATION
1 Scope
This standard specifies the rapid assessment of wood preservatives antimicrobial laboratory soil test method for degradation of bed.
This standard applies to all kinds of wood preservatives.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 13942.2 durability of wood - Part 2. Test methods for natural durability Field
GB/T 14019 wood preservative term
GB/T 23229-type water-borne wood preservatives Analysis
NY/T 52 soil moisture determination
3 Terms and Definitions
GB/T 14019 and defined by the following terms and definitions apply to this document.
3.1
Soil moisture soilhumidity
Soil moisture content a certain depth of soil.
3.2
Soil bed soilbed
Proving ground for laying wood specimens, made of plastic, cement square, stainless steel or similar inert material composed of Koike ruled.
3.3
Soil bed room soilbedchamber
Place soil bed room or enclosed space.
4 bed soil test site
4.1 soil bed
Each sub-grid soil bed should spread into a certain depth of sand, usually from the bottom gravel layer thickness of 150mm and 450mm deep top soil
Soil layer.
4.2 soil bed room
Soil bed should be built indoor and outdoor drains. Soil bed room ambient temperature should be maintained at 25 ℃ ~ 30 ℃, relative humidity of 75% or more. phase
Humidity should be maintained at the soil surface can be prevented from drying degree.
4.3 Soil requirements
Soil soil bed should be collected from the forest topsoil, with some humus, keep it fresh, and after a 4-mesh screening over screening
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