Torch alignment and wavelength calibration fails on 725 OES

I've remake all the solutions, cleaned neb and torch, new tubing.  It ran last week but this week i can't get it to run

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  • I know you said you cleaned the nebulizer but do you have a brand new nebulizer available for troubleshooting?

    When you cannot perform a torch scan or wavelength calibration, it either means there is something going wrong in the sample introduction area, or the pre-optics/optics has a problem.   Have you checked the injector tube of the torch to ensure there is no residue or blockage? 

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  • I know you said you cleaned the nebulizer but do you have a brand new nebulizer available for troubleshooting?

    When you cannot perform a torch scan or wavelength calibration, it either means there is something going wrong in the sample introduction area, or the pre-optics/optics has a problem.   Have you checked the injector tube of the torch to ensure there is no residue or blockage? 

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