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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 41223-2021: Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation Status: Valid
Basic dataStandard ID: GB/T 41223-2021 (GB/T41223-2021)Description (Translated English): Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B10 Word Count Estimation: 14,186 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 41223-2021: Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation---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. Soil quality -- Determination of potential nitrification and inhibition of nitrification -- Rapid test by ammonium oxidation ICS 13:080 CCSB10 National Standards of People's Republic of China Soil quality nitrification potential and nitrification inhibition Rapid detection method for the determination of ammonia oxidation (ISO 15685:2012, IDT) Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Principle 2 5 Reagents and Materials 2 6 Instruments and equipment 3 7 Sample collection, storage and characterization 3 8 Test Step 3 9 Result calculation and representation 5 10 Test report 5 Appendix A (Informative) Laboratory Ring Test Results 6 Appendix B (Informative) Micro Determination of Nitrification Potential 8 Appendix NA (informative) Calculation formula of nitrification potential 10 Reference 11 forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document is identical to ISO 15685:2012 "Determination of soil quality nitrification potential and nitrification inhibition rapid test for ammonia oxidation Law": The following minimal editorial changes have been made to this document: ---5:8 added note; --- Added Appendix NA (informative): Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China: This document is under the jurisdiction of the National Soil Quality Standardization Technical Committee (SAC/TC404): This document was drafted by: Jiangsu Academy of Agricultural Sciences, Nanjing Institute of Soil Sciences, Chinese Academy of Sciences, Jiangsu Institute of Quality and Standardization: The main drafters of this document: Yang Linzhang, Xue Lihong, Duan Jingjing, He Shiying, Duan Zengqiang, Feng Yanfang, Yu Yingliang, Hou Pengfu, Yang Ye, Chen Meiji, Huang Rong: Soil quality nitrification potential and nitrification inhibition Rapid detection method for the determination of ammonia oxidation1 ScopeThis document specifies a method for the rapid determination of ammonia oxidation for soil nitrification potential and nitrification inhibition: This document is applicable to the determination of nitrification potential and nitrification inhibition of all soils containing nitrifying microbial populations and can be used for soil quality and rapid detection of pollutant quality, also suitable for detection of farming methods, chemical substances [except volatile substances, i:e: H (Henry constant) >1], biological Effects of solid extracts and soil contaminants on soil nitrification:2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: ISO 10381-6 Soil quality sampling - Part 6: Laboratory determination of soil quality for microbial processes, biomass and diversity Guidelines for Oxygen Collection, Processing and Storage (Soilquality-Sampling-Part 6:Guidanceonthecolection,handlingand storageofsoilunderaerobicconditionsfortheassessmentofmicrobiologicalprocesses,biomassand diversityinthelaboratory) Note: GB/T 32725-2016 Guidelines for aerobic collection, treatment and storage of soils for laboratory determination of microbial processes, biomass and diversity (ISO 10381-6:2009, IDT) ISO 10390 Determination of soil quality pH (Soilquality-DeterminationofpH) ISO 10694 Soil quality Determination of organic carbon and total carbon after dry burning (elemental analysis method) [Soilquality-Determinationof organicandtotalcarbonafterdrycombustion(elementaryanalysis)] ISO 11260 Soil Quality Determination of Effective Cation Exchange Capacity and Base Saturation Level with Barium Chloride Solution (Soilquality-De- terminationofeffectivecationexchangecapacityandbasesaturationlevelusingbariumchloridesolu- tion) ISO 11261 Soil quality-Determination of total nitrogen modified Kjeldahl method (Soilquality-Determinationoftotalnitro- gen-ModifiedKjeldahlmethod) ISO 11277 Soil quality-Determination of particle size distribution of mineral soil substances by sieving sedimentation method (Soilquality-Determination ofparticlesizedistributioninmineralsoilmaterial-Methodbysievingandsedimentation) ISO 11465 Soil quality Gravimetric method for the determination of dry matter and moisture content based on mass (Soilquality-Determination ofdrymatterandwatercontentonamassbasis-Gravimetricmethod) ISO 14238 Biological methods for soil quality Determination of nitrogen mineralization and nitrification in soils and the effect of chemicals in the process (Soilquality-Biologicalmethods-Determinationofnitrogenmineralizationandnitrificationinsoils andtheinfluenceofchemicalsontheseprocesses) ISO 14256-2 Soil quality Determination of nitrate, nitrite and ammonium content in field water-holding soil by potassium chloride solution extraction method No: 1 Part 2: Automatic segmented flow analysis method (Soilquality-Determinationofnitrate,nitriteandammoniuminfield- moistsoilsbyextraction with potassium chloridesolution-Part 2:Automated method with segmented flow analysis) ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 41223-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 41223-2021_English as soon as possible, and keep you informed of the progress. 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