:2004-02-20环境样品监测中总氮低于氨氮的原因(,671000):环境样品监测中常出现的氨氮高于总氮现象,主要由从取样到数据处理过程中7个方面的因素造成,人为只能将其控制在一定范围内得出上述结果,只要达到分析质量控制和质量保证要求,分析数据就应当是准确可靠的:氨氮;总氮;环境监测:X83:B:1006947X(2004)增-0219-02,,()()(NH3-N)(NH4+),(1),,,,,(2),,,,,,(3),,,,30min,,pH,,,,100%,,100%,(4),,,(),,,,,,(5),,,,,,;,219环境样品监测中总氮低于氨氮的原因黄慧坤,(6),,,,,(7),,,,;,,:,7,;7,,7,,,,,,,,:[1][M]:,1994[2]()[M]:,1997[3]()[M]:,1990ReasonsforTotalNitrogenbelowAmmoniaNitrogeninMonitoringEnvironmentalSamplesHUANGHui-kun(DaliCountEnvironmentalMonitoringCenter,DaliYunnan671000,China)Abstract:Thereasonthatammonianitrogenisfrequentlyhigherthantotalnitrogeninsamplemonitoringisattributedto7factorsinsamplingtodataprocess.Itcanbecontrolledonlywithinacertainrangethroughhumanefforts.Therefore,theanalyticdataisaccurateandreliableonlyifmeetingqualitycontrolandguaranteerequirements.Keywords:ammonianitrogen;totalnitrogen;environmentalmonitoring220云南环境科学第23卷增刊2004年4月