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  • No : 7468
  • Date of Issue : 2021/11/18 13:27
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(SALD) Photometric data is unstable

(SALD) Photometric data is unstable
Category : 

Answer

Cause1: Faulty ground connection
Corrective Action1: Use an attached power cord. And, check whether it conforms to the conditions of the installation site.
 
Cause2: Bubbles in solvent
Corrective Action2: Check that there is no fault in the cell assembly.
  Click here for "(SALD) Sampler, Cleaning of the flow cell".
 
Cause3: Soiled cell
Corrective Action3: When testing samples that adhere easily, the cell may get soiled during measurement causing prejudice in data. Clean the cell of any soiling.
  Click here for "(SALD) Sampler, Cleaning of the flow cell".
  Click here for "(SALD) Batch Cell, Cleaning the batch cell".
Cause4: Faulty amp, etc.
Corrective Action4: Adjustment] screen to observe any fluctuation in data (the default average number of times is 16). Should the fluctuation exceed 20 points, this indicates a fault.

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