价格:未填
供应:99999
发货:3天内
DesignedspecificallyformacroKjeldahlnitrogendeterminationsTheRapidStillIIservesasacompaniontotherapiddigestoronpage566ofthe2001-2002catalog.Oncesampleshavecooledfromthedigestionprocess,simplydilutewithwaterandplacesampletubeontheRapidStillII.Thenaddsodiumhydroxidebydepressingthebuilt-indispenserswitchandstartthedistillationprocessbyactivatingthetimer.Eachdistillationtakesfivetotenminutes.Steamisgeneratedbya1100-wattheatersurroundinga1000-mLflask.Theflowrestrictorregulatescondenserflowratefromexceeding1.0gallonperminute(3.8litersperminute).RapidStillIIincludesaspring-loadeddigestiontuberetainer,sodiumhydroxideandsteaminlettubesmadeofPTFE,built-inperistalticpumpforsodiumhydroxidedispensing,borosilicateglasscondenserwithventilationvalve,a0to15minuteadjustabletimerfrom0to15minuteswithaudiblealarm,steamgeneratorwaterlevelsightgauge,andmoldedplasticspillagetray.Epoxy-coatedsteelconstructoin.Alsoincludesan8-ft,3-wirepowercordandplug.18"Wx12-3/4"Dx29-3/4"H. 结构紧凑,针对凯氏定氮实验特别设计,蒸馏快速,消解,稀释,加液过程简单.加碱蒸馏过程5-10分钟;加热器功率:1100W,蒸馏瓶:1000mL;