《工业分析 Industrial Analysis》课件-液体样品采样工具与采样方法（双语）

项目二：工业浓硝酸质量分析任务一：液体样品采样方法液体样品采样工具和采样方法课程：工业分析中文Scenario2:QualityanalysisofindustrialconcentratednitricacidTask1:SamplingmethodforliquidsamplesSamplingtoolsandmethodsforliquidsamplesCourse:IndustrialAnalysisEglish液态物料具有流动性，组成比较均匀，易采得均匀样品。液态物料一般装在容器中贮存和运输取样前根据容器情况和物料特性选择采样工具与采样方法中文Liquidmaterialshavefluidity,arelativelyuniformcomposition,andareeasytoobtainuniformsamples。LiquidmaterialsaregenerallystoredandtransportedincontainersSelectsamplingtoolsandmethodsbasedoncontainerconditionsandmaterialcharacteristicsbeforesamplingEglish一、液体样品采样工具1、采样勺适合于表面样品的采集，材质有塑料、不锈钢、黄铜等，根据样品性质选择相应材质采样勺。中文一、Samplingtoolsforliquidsamples1、SamplingspoonThesamplingspoonissuitableforcollectingsurfacesamples,withmaterialssuchasplastic,stainlesssteel,brass,etc.Whensampling,selectthecorrespondingmaterialofthesamplingspoonaccordingtothenatureofthesample.Multiplespecificationsincluding5mLEglish2、采样瓶和采样罐可用于任意深度液体试样采集，材质有不锈钢、黄铜、有机玻璃等，根据样品性质选择相应材质。中文2、Samplingbottleandsamplingtank

Samplingbottlesandcanscanbeusedforcollectingliquidsamplesatanydepth,andtheirmaterialsincludestainlesssteel,brass,organicglass,etc.

Thecorrespondingmaterialsareselectedaccordingtothepropertiesofthesamples.Eglish3、采样管抽拉式采样管，泛应用于药品、食品、化妆品、化工等行业粘稠液体浸膏、乳化液、乳膏、洗发液、油类等的取样，材质有不锈钢和玻璃。中文3、SamplingtubeThepull-outsamplingtubeiswidelyusedforsamplingviscousliquidointments,emulsions,creams,shampoos,oils,etc.inindustriessuchaspharmaceuticals,food,cosmetics,andchemicals.Thematerialsusedincludestainlesssteelandglass.Eglish二、采样方法1、一般液体样品采集小贮存器中样品小瓶装

按取样数随机抽取几瓶，每瓶倒出等量液体混匀大瓶或小桶装

搅拌混匀后用采样管采样大桶装

搅拌混匀后用采样管采样，或不搅拌采部位样品混匀中文二、Samplingmethod1、Samplingofgeneralliquidsamples(1)SampleinsmallstoragecontainerSmallbottlepackaging

Randomlyselectseveralbottlesaccordingtothenumberofsamples,pouroutanequalamountofliquidfromeachbottleandmixwellLargebottleorsmallbarrelpackaging

Afterstirringandmixing,useasamplingtubetorandomlysampleLarge

barrelpackaging

Afterstirringandmixing,useasamplingtubeforsampling,ormixthecollectedsampleswithoutstirringEglish大贮存器中样品卧式贮罐一般按比例采上、中、下部位样品，混合后作为测试样品。槽车用采样瓶采上中下部位样品，等比例混匀立式贮罐一般按比例采上、中、下部位样品，混合后作为测试样品。船舱用采样瓶从排料口取样从顶部取上中下部位样品混匀作最终样品中文(2)Samplingofsamplesinlargestoragetanks

VerticalstoragetankandhorizontalstoragetankGenerally,upper,middle,andlowersamplesarecollectedinproportionandmixedastestsamples.

CabinTakeasamplefromthedischargeportusingasamplingbottleTakesamplesfromthetop,middle,andbottompartsMixwelltomakethefinalsample

tankcarUseasamplingbottletocollectsamplesfromtheupper,middle,andlowerparts,andmixthemevenlyinequalproportionsEglish从输送管道采样

自动管线采样器采样探头采样管道出口端采样：出口端放一容器，周期性采样中文SamplingfromtheconveyingpipelineUsinganautomaticpipelinesamplerforsamplingSamplingwithaprobeSamplingattheoutletofthepipeline:PlaceacontainerattheoutletandsampleatacertainperiodEglish2、特殊性质液体样品采集在制造厂的最终容器中采样：用采样管或勺取部位样品混匀即可在制造厂产品装桶时采样：按规律从放料口采样混匀即可在交货容器中采样：混匀样品后用采样管或勺取部位样品混匀即可粘稠液体的采样中文2、SamplingofliquidsampleswithspecialpropertiesSamplinginthefinalcontainerofthemanufacturingplant:UseasamplingtubeorspoontotakethesampleandmixwellSamplingduringproductbarrelloadinginthemanufacturingplant:SampleandmixevenlyfromthedischargeportaccordingtothepatternSamplinginthedeliverycontainer:Aftermixingthesample,useasamplingtubeorspoontotakethesampleandmixitwellSamplingofviscousliquidsEglish液化气体的采样注意采样点的布置能保证采得有代表性的样品，如不能可制定协议规定采样方法和采样点稍加热即成为流动态的化工产品在样品呈液态时用采样勺或采样管采样，可在厂家交货罐装时采样，也可将固化后的样品熔化后取样中文SamplingofliquefiedgasesPayattentiontothelayoutofsamplingpointstoensurethecollectionofrepresentativesamples.Ifnotpossible,aprotocolcanbeestablishedtospecifythesamplingmethodandsamplingpointsChemicalproductsthatbecomeaflowingstateuponslightheatingWhenthesampleisinliquidform,useasamplingspoonorsamplingtubetotakesamples.Samplescanbetakenwhenthemanufacturerdeliversthecontainer,oraftermeltingthesolidifiedsample,samplescanbetakenEglish三、采样注意事项样品容器必须洁净、干燥、严密采样设备必修清洁、干燥，不能用与被采取物料起化学作用得材料制造采样过程中防止被采取物料受到环境污染和变质取样者必须熟悉被采取产品的特性、安全操作的有关知识及处理方法中文三、PrecautionsduringsamplingThesamplecontainermustbeclean,dry,andtightSamplingequipmentmustbecleananddry,andcannotbemanufacturedwithmaterialsthathaveachemicalreactionwiththematerialbeing