FAQ - Frequently Asked Questions
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FAQ within [ LC-MS ]
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How to check for lens problems (LCMS)
As a result of contamination, it may not be possible to apply optimum voltage, which may decrease the ion transmittance. In addition, contamination of the mu... Show Detail
- No：3305
- Date of Issue：2020/11/13 10:18
- Last Updated：2020/12/02 08:55
- Category： Troubleshooting
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How to check for DL problems (LCMS)
Contamination inside the DL tube will cause deterioration of solvent removal (ionization) or decrease in ion transmittance. When there is a blockage in the D... Show Detail
- No：3308
- Date of Issue：2020/11/13 10:19
- Category： Troubleshooting
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How to check for ESI Pipe problems (LCMS)
As a result of contamination inside the ESI pipe, adsorption of the sample will occur and/or optimum high voltage will become unable to be applied. These phe... Show Detail
- No：3309
- Date of Issue：2020/11/13 10:22
- Last Updated：2020/12/02 09:46
- Category： Troubleshooting
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How to check for ESI Probe and Nozzle problems (LCMS)
Contamination of ionization unit of the ESI probe will cause a decrease in ionization efficiency and/or deterioration of the spray state due to adhesion of... Show Detail
- No：3310
- Date of Issue：2020/11/13 10:24
- Category： Troubleshooting
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How to check for Heater block and Sampling Cone problems ...
Contamination around the heated block and/or sampling cone will cause adsorption of the sample and/or inhibition of ionization due to impurity ions. The cont... Show Detail
- No：3311
- Date of Issue：2020/11/13 10:26
- Last Updated：2020/12/02 09:47
- Category： Troubleshooting
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How to check for Orifice problems (LCMS)
Contamination of the orifice will cause adsorption of the sample and/or inhibition of ionization. «Confirmation» Overall decrease in sensitivity. In ca... Show Detail
- No：3312
- Date of Issue：2020/11/13 10:27
- Category： Troubleshooting
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How to check for ESI PEEK Tube problems (LCMS)
Contamination of the PEEK tube of the column outlet and/or the ESI probe will cause adsorption of the sample, which will result in decrease in sensitivity or... Show Detail
- No：3313
- Date of Issue：2020/11/13 10:29
- Category： Troubleshooting
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Maintenance of the ESI Unit (LCMS)
A high voltage (up to 5kV) is applied to the sample solution sprayed from the tip of the capillary ASSY in order to ionize the sample. Since a very fine-gaug... Show Detail
- No：3239
- Date of Issue：2020/11/13 11:11
- Category： Maintenance
- Brached FAQ
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Maintenance of the APCI Unit (LCMS)
Parts Number: 225-15845-91 APCI pipe ASSY 1. Remove the APCI unit from the instrument. 2. Remove the APCI cover. a)Remove the two screws whi... Show Detail
- No：3241
- Date of Issue：2020/11/16 12:56
- Category： Maintenance
- Brached FAQ
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Parts Number: 225-15877-92 Corona needle 225-14290-41 Needle unit 1. Remove the needle unit from the instrument. WARNING: Take care becaus... Show Detail
- No：3249
- Date of Issue：2020/11/16 13:16
- Category： Maintenance
- Brached FAQ
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