【英文标准名称】:StandardPracticeforSampling,PreservationandMitigatingInterferencesinWaterSamplesforAnalysisofCyanide
【原文标准名称】:氰化物分析用水样的取样、保存与降低干扰的规程
【标准号】:ASTMD7365-2009a
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:availablecyanide;cyanide;freecyanide;hydrogencyanide;interference;preservative;samplecollection;totalcyanide;Cyanides;Interferences;Preservation;Sampling;Watersampling
【摘要】:Cyanideisroutinelyanalyzedinwatersamples,oftentodemonstrateregulatorycompliance;however,impropersamplecollectionorpretreatmentcanresultinsignificantpositiveornegativebiaspotentiallyresultinginunnecessarypermitviolationsorundetectedcyanidereleasesintotheenvironment.1.1Thispracticeisapplicableforthecollectionandpreservationofwatersamplesfortheanalysisofcyanide.Thispracticeaddressesthemitigationofknowninterferencespriortotheanalysisofcyanide.Responsibilitiesoffieldsamplingpersonnelandthelaboratoryareindicated.1.2Thesampling,preservationandmitigationofinterferenceproceduresdescribedinthispracticearerecommendedfortheanalysisoftotalcyanide,availablecyanide,weakaciddissociablecyanide,andfreecyanidebyTestMethodsD2036,D4282,D4374,D6888,D6994,D7237,D7284,andD7511.Theinformationsuppliedinthispracticecanalsobeappliedtootheranalyticalmethodsforcyanide,forexample,EPAMethod335.4.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:11P.;A4
【正文语种】:英语


【英文标准名称】:Opticsandopticalinstruments-Ophthalmicoptics-Screwthreads(ISO11381:1994);GermanversionENISO11381:1996
【原文标准名称】:光学和光学仪器.眼科光学.螺纹
【标准号】:ENISO11381-1996
【标准状态】:现行
【国别】:
【发布日期】:1996-08
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:光学仪器;眼镜架;规范(验收);精密机械;光学;尺寸;螺纹;螺纹;眼科光学;ISO米制螺纹;眼镜(夹鼻)
【英文主题词】:Dimensions;Finemechanics;ISOmetricthreads;Marking;Medicalinstruments;Metricscrewthreads;Ophtalmicoptics;Ophthalmicequipment;Opticalequipment;Opticalinstruments;Optics;Screwthreads;Specification(approval);Spectacleframes;Spectacles(eyeglasses);Taps(threading);Threads
【摘要】:
【中国标准分类号】:Y89
【国际标准分类号】:11_040_70;21_040_10
【页数】:5P.;A4
【正文语种】:英语