FAQ - Frequently Asked Questions
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FAQ within [ LC-MS ]
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Carry out auto tuning using the ESI unit/IonFocus Unit to perform sensitivity adjustment, resolution adjustment, and mass calibration of the instrument. Per... Show Detail
- No:3294
- Date of Issue:2020/11/18 15:33
- Category: Maintenance
- Brached FAQ
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Interpreting tuning results (LCMS)
A detector voltage of about -1.6 to -3.0 kV is normal. The detector deteriorates and the detector voltage increases at a rate that depends on its conditions... Show Detail
- No:3299
- Date of Issue:2020/11/18 15:33
- Category: Setting
- Brached FAQ
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How to check for ESI Probe position problems (LCMS)
For some compounds, probe position may give a great influence to sensitivity. If the probe position is out of place, sensitivity fluctuation may become large... Show Detail
- No:3314
- Date of Issue:2020/11/19 12:47
- Category: Troubleshooting
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The following causes are possible. 1. The wrong standard sample was used. Click here for Standard Sample information. 2. The standard sampl... Show Detail
- No:3301
- Date of Issue:2020/11/26 13:54
- Category: Troubleshooting
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ESI/DUIS spray position adjustment (LCMS)
You can adjust the spray position by turning the position adjustment knob. To adjust the spray position, first press the adjustment knob so that it pops out... Show Detail
- No:3300
- Date of Issue:2020/11/26 14:56
- Category: Setting
- Brached FAQ
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The gas is not flowing according to the specified value (...
«Main Cause» 1. There is a gas leak. 2. The gas is not flowing. «Countermeasure» 1. Check the gas tubing. As a start-of-work inspection, ... Show Detail
- No:3302
- Date of Issue:2020/11/30 13:09
- Category: Troubleshooting
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Error [Turbo molecular pump should be overhauled.] (LCMS)
Turbo molecular pumps require maintenance every 25,000 hours (about 3 years). Contact a Shimadzu sales or service representative. Show Detail
- No:3303
- Date of Issue:2020/11/30 13:31
- Category: Troubleshooting
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1. Turning the Power ON a) Turn ON the power to each of the LC and MS units. The POWER indication lamp on the front of the instrument will light in gre... Show Detail
- No:4501
- Date of Issue:2020/12/09 16:28
- Last Updated:2022/06/20 10:26
- Category: Setting
- Brached FAQ
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The temperature of the DL, heated block or interface heat...
Check if the DL, heater flange, and ionization unit are mounted properly. Click here for replacing the DL. If the problem persists, contact a Shimadzu sa... Show Detail
- No:4741
- Date of Issue:2021/01/08 11:24
- Category: Troubleshooting
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LC pump cannot solvent delivery (LCMS)
It is set to turn on cooperation Nebulizing Gas and Pump. The [Gas Control Mode] tab page is located in the [Setting Options] sub-window. To open this sub... Show Detail
- No:4743
- Date of Issue:2021/01/08 13:58
- Category: Troubleshooting
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