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GB/T 18261-2013: Test method for anti-mildew agents in controlling wood mould and stain fungi
Status: Valid GB/T 18261: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 18261-2013 | English | 279 |
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Test method for anti-mildew agents in controlling wood mould and stain fungi
| Valid |
GB/T 18261-2013
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| GB/T 18261-2000 | English | 239 |
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Testing method for anti-mould chemicals in controlling mould and blue stain fungi on wood
| Obsolete |
GB/T 18261-2000
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PDF similar to GB/T 18261-2013
Basic data | Standard ID | GB/T 18261-2013 (GB/T18261-2013) | | Description (Translated English) | Test method for anti-mildew agents in controlling wood mould and stain fungi | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B60 | | Classification of International Standard | 79.020 | | Word Count Estimation | 12,182 | | Older Standard (superseded by this standard) | GB/T 18261-2000 | | Quoted Standard | GB/T 14019-2009 | | Regulation (derived from) | National Standards Bulletin No. 22 of 2013 | |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: mold and mildew on the wood color bacterial effect prevention laboratory and outdoor testing methods. This standard applies to: under laboratory conditions to determine mold and mildew on wood discoloration of bacteria toxicity te | GB/T 18261-2013: Test method for anti-mildew agents in controlling wood mould and stain fungi---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.
Test method for anti-mildew agents in controlling wood mould and stain fungi
ICS 79.020
B60
National Standards of People's Republic of China
Replacing GB/T 18261-2000
Mold and mildew on wood discoloration bacteria
Test the effectiveness of prevention methods
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
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Laboratory Tests 1
5 outdoor test 6
6 Test Report 6
Appendix A (informative) Fungicide laboratory timber mold and bacteria discoloration prevention effect of the results reported in Table 7
Annex B (informative) Test Results Fungicide outdoor wood mold and bacteria discoloration prevention effect Table 8 reports
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
/ T 18261-2000 "mildew and mold test methods for prevention and treatment of wood blue stain fungi" This standard replaces GB , and GB/T 18261-
The main technical changes compared to 2000 are as follows.
--- Standard name changed to "mold and mildew on wood discoloration test methods for prevention and treatment of bacterial effectiveness";
--- The text "blue stain fungi" to "discoloration bacteria";
--- On the "Wood Stain bacteria", "Wood mold" redefined;
--- Test equipment and conditions added to the pipette (see 4.6.1);
--- Wood species selection, increase the softwood Pinus radiata and Pinus sylvestris, hardwood increased tomentosa (see 4.2.1.1);
--- Increasing the bamboo species selection and bamboo sample preparation method (see 4.2.1.2 and 4.2.2.2);
--- Discoloration test bacteria added "Fusarium" and "A. tenuis" in two color bacteria (see 4.3.1.2 and 4.3.1.3);
--- Tested bacteria added, "allows you to select belong to different species of mold or discoloration strains," the note (see 4.3.3.1);
--- Tested bacteria added to the mixed fungal inoculation test methods and requirements (see 4.3.3.2);
Agent treatment --- sample supplement and improve the relevant provisions of chemical treatment, and adds a set of samples without any treatment to
The test used to determine the activity of bacteria and calculate the effectiveness of prevention (see 4.4.2);
Agent treatment --- sample added to the sample in Figure pharmaceutical treatment (see 4.4.2 Figure 1);
--- Samples inoculated with the culture adds specimen inoculation its layout (see 4.5.5 Figure 2);
--- Results in increased "if the specimen surface infection control value not reached 4, then the test is not accurate, the experiment is invalid, need to re-enter
Line test "requirement (see 4.6.1);
--- Results in an increase of the sample color classification (see 4.6.3);
--- Results in increased fungicide toxicity limit concentration determined (see 4.6.4).
This standard was proposed by the State Forestry Administration.
This standard by the National Standardization Technical Committee timber (SAC/TC41) centralized.
This standard is drafted by. China Forestry Science Institute of Wood Industry.
Participated in the drafting of this standard. Chinese Academy of Tropical Forestry Research Institute of Zhejiang Forestry University, Hangzhou Linan Tianhong Biological Technology Co.,
the company.
The main drafters of this standard. Maxing Xia, Shi Zhenhua, Zhou Ming, Jiang Mingliang, Sunfang Li, Hu Wan zai.
This standard replaces the standards previously issued as follows.
--- GB/T 18261-2000.
Mold and mildew on wood discoloration bacteria
Test the effectiveness of prevention methods
1 Scope
This standard specifies the timber mold and mildew discoloration prevention effect of bacteria and outdoor laboratory test methods.
This standard applies to laboratory conditions to determine the mold and mildew on wood discoloration Bacteria toxicity limits and outdoor trials assessing anti-mildew
Wood treatment effect mold and discoloration bacteria. Wood products, plywood, bamboo and rattan mildew and anti-discoloration test may also refer to use.
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 14019-2009 wood preservative term
3 Terms and Definitions
GB/T 14019-2009 define the following terms and definitions apply to this document.
3.1
Wood mold woodmouldfungi
Molds are filamentous fungi collectively, wood (bamboo, rattan) material and its products grow visible colonies villous, flocculent or cobweb-like,
That wood mold.
3.2
Wood discoloration bacteria woodstainfungi
Logs, sawn timber wet wood (bamboo, rattan) material and its products, strains colored mycelium, spores and infect new harvesting pigment accumulation caused by the above-described materials
Happen blue, red, brown or black and other colors change filamentous fungi.
3.3
Toxic limit concentration toxiclimitsconcentration
Fungicide effectively inhibit mold bacteria infection and discoloration of wood (bamboo, rattan) the lowest concentration of material and its products.
4 Laboratory Tests
4.1 Test equipment and conditions.
4.1.1 Autoclaves. pressure 0.25MPa, temperature of 138 ℃.
4.1.2 clean table, or sterile boxes, vaccination room.
4.1.3 shaker.
4.1.4 Heated Incubators, or bacteria culture chamber, constant temperature and humidity incubator like.
4.1.5 scales, precision 0.001g.
4.1.6 Pipette 1000μL.
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