GB/T 18260-2015 English PDF

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GB/T 18260-2015: Method of laboratory test for toxicity of wood preservatives against termites
Status: Valid

GB/T 18260: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 18260-2015	209	Add to Cart	3 days	Method of laboratory test for toxicity of wood preservatives against termites	Valid
GB/T 18260-2000	70	Add to Cart	Auto, < 3 mins	Laboratory test method for wood preservatives of determining the protective effectiveness of preservatives against termites	Obsolete

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Basic data

Standard ID: GB/T 18260-2015 (GB/T18260-2015)
Description (Translated English): Method of laboratory test for toxicity of wood preservatives against termites
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B71
Classification of International Standard: 79.020
Word Count Estimation: 10,169
Date of Issue: 2015-07-03
Date of Implementation: 2015-11-02
Older Standard (superseded by this standard): GB/T 18260-2000
Quoted Standard: GB/T 14019; LY/T 1283-2011
Regulation (derived from): National Standard Announcement 2015 No.22
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 limit values ??of toxicity testing methods under laboratory conditions Formosan termite prevention and treatment of wood preservatives (Coptotermes formosanus Shiraki). This Standard applies to the anti-termites performance evaluation preservative treated wood. Termites modified test can refer to the use of treated wood.

GB/T 18260-2015: Method of laboratory test for toxicity of wood preservatives against termites

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Method of laboratory test for toxicity of wood preservatives against termites ICS 79.020 B71 National Standards of People's Republic of China Replacing GB/T 18260-2000 Toxic Effects of termite wood preservatives Laboratory Test Method Issued on. 2015-07-03 2015-11-02 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 GB/T 18260-2000 "termite wood preservatives Toxic Effects laboratory test methods" revised basis, instead of the standard GB/T 18260-2000. This standard compared with GB/T 18260-2000, the major technical changes as follows. --- Original English title "Laboratorytestmethodforwoodpreservativesofdeterminingtheprotective effectivenessofpreservativesagainsttermites "read." Methodoflaboratorytestfortoxicity ofwoodpreservativesagainsttermites "; --- "1" and based in part on the forestry industry standards LY/T 1283-2011 "toxic wood preservative for laboratory test decay fungi Test methods "the statement amendments and unity; to add" This standard applies to the evaluation of preservative treated wood against termites performance. Termites test material modification may also refer to use. "; --- Add "2 Normative references"; --- Added "3 Terms and Definitions", defines the "preservative toxicity thresholds," "single-sample test," the "double test sample" "nest material" terms of; --- Test equipment and materials added to the culture medium described culture medium ingredients added vermiculite and nest material; --- Selection of tree species for bamboo bamboo added test; --- Sample Preparation. Sample size of the original standard "50mm × 25mm × 15mm" to "25mm × 25mm × 6mm", bamboo Material sample size is defined as "25mm × 15mm × 6mm"; --- Number of samples. Number of samples processed per the original standard "3" to "5", and added "termite activity is determined in the control group." And "medium moisture content in the control group," adds table about the number of samples; --- Sample flasks are placed in addition to the single sample test placement, adds dual placement test specimen and with maps Description; --- Number of termites into flasks. original 3g to 500 termites; Adjustments --- Test time. from eight weeks to four weeks incubation time; --- Decay hazard classification adjustments. decay hazard rating of the original standard 0-4 grade 5 to 8 harm standard sample decay 0-10 After good grade standards; --- Termites harm due to changes in grading standards, adjusted for toxicity thresholds determined criteria; --- Statistics and forestry industry standards LY/T 1283-2011 "wood preservative for laboratory test methods for bacteria toxicity decadent" unified. 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. Chinese Academy of Forestry Wood Industry Research Institute, Guangdong Academy of Forestry Sciences, Huazhong Agricultural University, River North Sen Amy Wood Processing Co., Ltd. Deqing three subjects insect repellent, Ltd. Fujian Landscape wooden structure. The main drafters of this standard. Maxing Xia, Chen Yun Shi, what Xuexiang, should seek Huang, Li Li, Caijian Kun, Chen Jian Ling. This standard replaces the standards previously issued as follows. --- GB/T 18260-2000. Toxic Effects of termite wood preservatives Laboratory Test Method

1 Scope

This standard specifies the laboratory Taiwan termite prevention and treatment of wood preservatives (CoptotermesformosanusShiraki) toxicity pole Test method limits. This standard applies to the anti-termites performance evaluation preservative treated wood. Termites test material modification can 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 wood preservative term LY/T 1283-2011 - rotting wood preservatives on laboratory test methods for toxicity

3 Terms and Definitions

GB/T 14019 and defined by the following terms and definitions apply to this document. 3.1 Preservative toxicity thresholds toxiclimitofpreservatives Preservatives inhibit the lowest drug loading wood termites, in kilograms (active ingredient)/m (timber) is represented. 3.2 Single specimen test thesingle-choicetest; no-choicetest; forcedfeedingtest Testing of wood preservatives termites toxicity test, using a single piece of preservative treated wood test whether it can inhibit the termites. The test side In addition to termite law flasks, culture medium, the only place a single block of preservative treated samples. 3.3 Dual sample test thetwo-choicetest; choicefeedingtest Testing of wood preservatives termites toxicity tests, in addition to termite culture flasks, culture medium, the place two samples, usually a Preservative treated samples, a control sample without preservative treatment or solvent treatment only. 3.4 Nest material termitemoundmaterial Obtained from the honeycomb nest termite nest termite activity and living construct, generally consists of mud, broken wood, termite excrement and saliva And other components.

4 Test apparatus and materials

4.1 blast oven. temperature (103 ± 2) ℃. 4.2 steam sterilizer. pressure 0.25MPa, temperature of 138 ℃. 4.3 Analytical balance. accuracy 0.01g. 4.4 pump. the relative degree of vacuum -0.09MPa. ......

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