Waters HPLC常见故障分析及日常保养知识.ppt

1、Waters ConnectionsSM无样品峰无样品峰未进样 泵未工作漏液流动相或样品的问题柱子或保护柱的问题数据采集装置的问题或其与检测器连线的问题最简单快捷的检查-泵是否工作,系统是否漏液,进一针丙酮溶液检查检测器读数及数据单元是否有响应 Low qualityIrregular and reduced pitch spring reduces uniform circumferential sealing pressure reducing seal and plunger lifePoor weld jointuniform,advanced pitchpressure spring

2、no weld jointMaximum seal and plunger lifeT Th hi i r rd d P Pa ar rt ty yS Se ea al l.W W a at te er rs s S Se ea al l.Third P artyThird P artyW atersW atersImproper machiningof sample portProperlychamferedsample portThird Party NeedleWaters QualityInjector NeedleThird Party NeedleWaters QualityInjector NeedleImproper surface finish,irregular needle pointProperly machinedpoint and surface finish