companyprofileShanghaiUzongIndustrialCo.,Ltd.(hereinafterreferredtoasUZONGLAB?)isahigh-techcompanythatprovidesintegratedsolutionsforintelligentlaboratories,mainlyservingtheChinesemarketandcountriesalongthe“BeltandRoad”.IthasthreebusinessdivisionsandoneThetechnologycenter,namelytheinstrumentbusinessdepartment,consumablesbusinessdepartment,projectdevelopmentdepartment,andZhongyuLianheTechnologyCenter.InadditiontotheShanghaiheadquarters,wehaveestablishedbranchesinBeijing,Shenyang,Shijiazhuang,Taiyuan,Qingdao,Guangzhou,ChengduandUrumqi.Toprovidecustomerswithmoreprofessional,saferandmoreconvenientproductsandservicesisoursolegoal.上海禹重實業(yè)有限公司是一家專業(yè)提供分析儀的公司，有想法的可以來電咨詢！南京化學分析儀廠家報價 Procedure-SolidSamples：--Instrumentcalibration/driftcorrection.Placethenickelbasketcontainingthecalibration/driftstandardintotheopenportatthetopoftheloadinghead.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleaner.衢州分析儀價格上海禹重實業(yè)有限公司致力于提供分析儀，期待您的光臨！ 氧氮氫分析儀是快速、準確分析氧、氮、氫元素的、高性能儀器，整機采用模塊化、一體化設計，即主機由可靠的脈沖電極爐、高靈敏高精度的檢測系統(tǒng)、布局合理和氣密性好的氣路系統(tǒng)、可靠耐用的電源系統(tǒng)、穩(wěn)定的電路系統(tǒng)、高校節(jié)能的水循環(huán)散熱系統(tǒng)等六個**的硬件模塊單元組成。氧氮氫分析儀的測量原理：測量范圍非常。分析樣品時，樣品被稱重后放到樣品端口中，然后用載氣進行沖洗，防止大氣（含氧氣和氮氣）進入到爐子系統(tǒng)中。石墨坩堝在脈沖爐中脫氣，以盡量減少自帶的污染。經(jīng)過穩(wěn)定階段后樣品落入坩堝中并熔融。樣品中的氧與石墨坩堝中的碳反應生成一氧化碳。氮和氫以單質的形式釋放。載氣和樣品氣體通過粉塵過濾網(wǎng)后再進入到氧化銅催化爐中，將一氧化碳氧化成二氧化碳。二氧化碳進入到紅外池中用于測定氧含量，被測后的氣體導入化學試劑管，這時二氧化碳和水被化學試劑除去，氮元素通過熱導檢測池含量被測定。測量氫時，載氣換為氮氣，樣品氣體通過舒茨試劑而不是氧化銅催化劑。測氧和氮時也可采用更廉價的氬氣作為載氣。 SummaryThedeterminationoftheamountofoxygen,nitrogen,andhydrogeniniron,steel,nickel-,andcobalt-basealloysrepresentssomeofthemostimportantqualitymetricsforthesematerials.Oxygenisusedtocreatesteelfrompigironbyremovingexcesscarbon.Oxygencontentmustbecontrolledtolimittheamountofcarbonmonoxidethatcanbeformedduringsolidificationwhichmaycauseexcessiveporosity.Nitrogenisconsideredbothanimpurityaswellasanimportantalloyingagent.Itcanbepresentasanitrideorinterstitiallyinitsgaseousform.Increasednitrogencontentisknowntoincreaseyieldandtensilestrength,thusdecreasingductilityandformability.Excessivelevelsmayevolveduringsolidificationthusincreasingporosity.Highhydrogencontentistheprimarycauseofembrittlement,blisteringandflakingduetoitshighmobilitythroughthelatticeandprovidesnopotentialalloyingbenefits.TheONH836utilizesahigh-powerelectrodefurnacetoquicklyandefficientlyreleasethetargetgasesfromwithinthesample,whichallowsforaveryrapidsimultaneousdeterminationofoxygen,nitrogen,andhydrogen.上海禹重實業(yè)有限公司是一家專業(yè)提供分析儀的公司，有需求可以來電咨詢！ Procedure-SolidSamplesDeterminetheinstrumentblank.Repeatsteps2bthrough2gaminimumofthreetimes.Settheblankfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.Instrumentcalibration/driftcorrection.Loginaminimumof3Standardreplicates.Weighapproximately***gramsofacalibration/driftstandard,enterthemassandstandardidentificationintoappropriatereplicatefields.Note:LECOReferenceMateria***onotrequirepreparation.Seepreparationstatementonthereferencematerialcertificate.分析儀，就選上海禹重實業(yè)有限公司，用戶的信賴之選，歡迎新老客戶來電！淮北進口分析儀 上海禹重實業(yè)有限公司分析儀獲得眾多用戶的認可。南京化學分析儀廠家報價 SamplePreparationSamplingandsamplepreparationisanimportantissuebecausetraditionalmethodsusedtoobtainsamplesforoxygenandnitrogendeterminationaredifferentfromthoserecommendedforhydrogen,especiallywhensamplingmoltenmetal.Themaindifferenceinsteelsamplingproceduresforoxygen/nitrogenandhydrogenisduetothemobilityofhydrogen.Specialprecautionsmustbeusedwhensamplingforhydrogen.Frommoltensteelandiron,asamplemustbequicklyquenchedincoldwaterandchilledinarefrigerantsuchasliquefiednitrogenoramixtureofacetoneandsolidcarbondioxideinordertoreducelossesofhydrogenfromdiffusion.Lossesofoxygenandnitrogenfromdiffusionarenotaproblem.Asamplethatistakenforhydrogenandchilledinarefrigerantcanalsobeusedforoxygenandnitrogendetermination.However,asamplethatistypicallytakenforoxygenand/ornitrogendeterminationisnotsuitableforhydrogendeterminationduetohydrogenloss(diffusion).Surfacecontaminationmustberemovedbyfilingorlightgrinding,usingcarenottooverheatthesample.南京化學分析儀廠家報價 上海禹重實業(yè)有限公司匯集了大量的優(yōu)秀人才，集企業(yè)奇思，創(chuàng)經(jīng)濟奇跡，一群有夢想有朝氣的團隊不斷在前進的道路上開創(chuàng)新天地，繪畫新藍圖，在上海市等地區(qū)的儀器儀表中始終保持良好的信譽，信奉著“爭取每一個客戶不容易，失去每一個用戶很簡單”的理念，市場是企業(yè)的方向，質量是企業(yè)的生命，在公司有效方針的領導下，全體上下，團結一致，共同進退，**協(xié)力把各方面工作做得更好，努力開創(chuàng)工作的新局面，公司的新高度，未來上海禹重實業(yè)供應和您一起奔向更美好的未來，即使現(xiàn)在有一點小小的成績，也不足以驕傲，過去的種種都已成為昨日我們只有總結經(jīng)驗，才能繼續(xù)上路，讓我們一起點燃新的希望，放飛新的夢想！