原文由 chauchylan 发表:
大家是如何保养两锥的啊...
Clean the cones when there are deposits on the orifice or the orifice is discolored or distorted. Because of its proximity to the torch, the sampling cone needs cleaning more frequently than the skimmer cone.
If you observe high background memory, sensitivity loss, distorted peak shapes, or an interface vacuum reading higher than 5.0 x 10
2 Pa.If the memory cannot be reduced, clean the sampling cone or skimmer cone, or replace them with a new sampling cone or Skimmer cone.
我用的是Agilent的仪器,用的是镍锥,用棉签沾上5%HNO3进行擦洗后,用去离子水再冲洗即可.