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Application issues

Tuning,5973,5975, Mass Spectrometers,DFTPP,EPA-GC/MS Hardware

What Causes a Large m/z 19 While in Chemical Ionization (CI) Mode? - 5973 MS

What Causes a Large m/z 32 While in Chemical Ionization (CI) Mode? - 5973 MS

What are the Common Pressure / Vacuum Related Problems in Chemical Ionization (CI) Mode? - 5973 MS

Why is it Difficult to Adjust Reagent Gas Ions While in Chemical Ionization (CI) Mode? - 5973 MS

What are the Steps to Troubleshoot Incomplete Chemical Ionization (CI) Auto Tune Problems? 5973 MS

What are the Benefits of Higher Source Temperatures? - General GC/MS

Can a CI-tune be Performed with PFTBA (besides PFDTD)? - General GC/MS

When is Ammonia CI Preferred to Methane CI? - General GC/MS

Chromatographic issues

What does High Nitrogen (m/z=28) and Low Oxygen (m/z=32) Indicate? - General GC/MS

What are the Steps to Minimize and Monitor Column Bleed? - General GC/MS

Why are Peaks of Interest Showing up in Blanks? - General GC/MS

What Causes Peak Fronting? - 5973 MS

What Causes Peak Tailing? - 5973 MS

Configuration

How do I improve sensitivity for all my analytes?

What is the part number for the 5971 / 5972 draw-out plate?

Error messages/System not ready

Why Will the 5972 MS Not Generate a Vacuum? - 5972 MS

What are the Steps to Troubleshoot Why the Turbo Pump Will Not Run? - 5973 MS

What does Error "Fore line pressure exceeded 300 mtorr" Indicate? - 5971 / 5972 / 5973 MS

Why does the Gauge Controller Displays All Nines (9s)? - 5973 MS

What does Error "Diffusion Pump Too Hot" Indicate? - 5971 / 5972 / 5973 MS

What does Error 'Diffusion Pump Too Cold" Indicate? - 5971 / 5972 / 5973 MS

What does Error "Difficulty with Mass filter Electronics" Indicate? - 5973 MS

What does Error "Log Amplifier" Indicate? - 5973 MS

What does a Firmware Error Indicate? - 5973 MS

What does Smoke Coming From the Rough Pump Indicate? - 5971 / 5972 MS

After Replacing the Column, what does Error "Vacuum Pump is Not Ready" Indicate? - General GC/MS

What does Error "HED PWR Supply Fault" Indicate? - General GC/MS

Why does the Turbo Pump Make an Unusual, Loud, High Pitched Noise? - 5973 MS

What does Error "No emission current" or "MS SPEC fault #8" Indicate? - General GC/MS

What does the Error: ''No emission current'' Indicate? - General GC/MS

What does Error ''Difficulty with mass filter electronics, cannot achieve constant peak widths'' Indicate? - General GC/MS

Why does the Instrument have Trouble Tuning After a Column Replacement? - 5973 MS

Why Doesn’t the Source Temperature Rise when Heating the Transfer Line? - 5971 / 5972 MS

What does Error "Excessive Source Pressure" Indicate?- 5971 / 5972 MS

What does Error "Difficulty with the HED Supply" indicate? - 5973 MS

What does Error "Temperature Control Abnormal" Indicate? - General GC/MS

What does Error "'Lens supply fault" Indicate? - 5973 MS

Why is the the GC/MS is Not Tuning? - General GC/MS

Familiarization

How is Synchronous SIM/Scan Performed? - General GC/MS

What are the Steps to Troubleshoot DFTPP Tuning Issues? - General GC/MS

What are the Steps to Troubleshoot BFB Tuning Issues? - General GC/MS

What are the Steps to Find Contamination From Rough Pump Oil? - General GC/MS

Why is the EM Voltage High While in Chemical Ionization (CI) Mode? - 5973 MS

What are the Steps to Convert from Electron Impact (EI) to Chemical Ionization (CI) Mode? - 5973 MS

What are the Steps to Convert From Chemical Ionization (CI) to Electron Impact (EI) Mode? - 5973 MS

What are the Steps for Negative Chemical Ionization (CI) Tuning, Using Different Regent Gases? - 5973 MS

What are the Steps to Perform a Positive CI Auto Tune? - 5973 MS

What are the Steps to Setup the Methane Regent Gas Flow for Chemical Ionization (CI)? - 5973 MS

What are the Steps for Using Reagent Gases Other Than Methane in Chemical Ionization (CI) Mode? - 5973 MS

What are the Steps to Troubleshoot No Regent Peaks in PCI Mode? - 5973 MS

What is QuickSwap and How Does it Work? - General GC/MS

What are the Steps to Tune for DFTPP? - General GC/MS

What are the Steps to Perform Automatic Analyzer Bake-Out? - General GC/MS

What are the Steps to Troubleshoot a Broken Filament? - 5973 MS

What is the Procedure to Maintain the MS Ion Source? - General GC/MS

What is the Procedure to Maintain the MS Filaments? - General GC/MS

What are the Steps to Maximize (Maintain) the Electron Multiplier Life? - General GC/MS

What are the Steps to Determine a 5973 Inert MSDs from a 5973 MSD? - 5973 MS

What are the Steps to Tune for BFB? - 5973 GC/MS

What are the Steps to Troubleshoot Sensitivity Loss in P&T/GC/MS Methods? - General GC/MS

What are the Steps to Increase Filament Life? - General GC/MS

What are the Steps to Find Air Leaks in the System? - General GC/MS

What are the Steps to get the Pump to Pump Down? - 5973 MS

How Often Should I Perform a Tuning Procedure? - General GC/MS

What are the Criteria for Using Autotuning , Standard Spectra, or Quick Tuning? - General GC/MS

What are the Steps to Correct Sensitivity Deterioration? - General GC/MS

What are the Recommendations for the Gases Used in GCMS? - General GC/MS

What is the High-Mass Testing Procedure for a MSD? - 5975 MS

What are the Differences Between Autotune and Standard Spectra Tune? - General GC/MS

General

Link for local seminars, trade shows, customer training courses - GC/MS hardware

What is the End of Guaranteed Support? - General GC/MS

What are Asset Maximization Services? - General GC/MS

What is the End Of Guaranteed Support Instrument Transition Plan? - General GC/MS

What are the GC/MS Systems That Have Reached the End of Guaranteed Support (May 2009)? - General GC/MS

Can an Oil Free Rough Pump be Used With a Diffusion Pump MS? - General GC/MS

What is the Recommended GC Split/Splitless Liner for Checking S/N? - General GC/MS

What are the Common Cable Diagrams for Connecting 6890N GC/ MSD, ChemStation & GC ALS? - 5973 MS

Can EI and CI Operations be Performed Without Changing the ION Source? - 5973 MS

Can the 5973 Inert be Upgraded to a 5975? - 5973 / 5975 MS

Can a G2570A(6850/5973N) System be Upgraded to Obtain Full Control? - 5973 MS

What Items Need to be Checked After a Power Outage Automatic Restart? - 5973 MS

Can an Existing MSD be Upgraded with QuickSwap? - General GC/MS

Can an Inert Ion Source be Installed Even if the MS is Not Inert? - General GC/MS

Can a Diffusion Pump Model MS be Upgraded to a Turbo Pump Model? - General GC/MS

Is it Possible to Upgrade a 5973N or 5973 Inert MSD to use the SIM/Scan Features? - 5973 MS

What Indicates an Instrument can Run SIM/Scan? - 5973 MS

What Columns and Flow rates are Acceptable for Proper Operation of the MSD? - General GC/MS

What are the Safety Concerns when using Hydrogen as a Carrier Gas? - General GC/MS

What are the Steps to Vent the MSD when a PC is Not Available? - General GC/MS

What is the Comparison of Peak Heights / Areas Between a 5973 and 5975 MSDs? - 5973 / 5975 MS

What Gas Line Traps are Recommended for the MSD's? - General GC/MS

What Filaments Are Supported On The MSD? - General GC/MS

What are the Problems in Upgrading to an Iinert Source Without Upgrading the ChemStation? - General GC/MS

Can a 5973 be Upgraded to an Inert Source? - 5973 MS

Can a 5973 be Upgraded to Chemical Ionization ? - 5973 MS

What are Common Contaminants in a GCMS System? - General GC/MS

What Multipliers Are Supported On The MSD? - 5973 MS

Maintenance

What Consumables, Parts and Supplies are Available? - General GC/MS

Why is There No Baseline After Cleaning the Source? - General GC/MS

Why Following Inlet Maintenance are Certain Compounds having Sensitivity Problems? - 5972 MS

How Often Does the Vacuum System Require Maintenance? - General GC/MS

What are the Steps to Clean the Split Vent Line? - General GC/MS

What is the Interval for Rough Pump Oil Replacement? - General GC/MS

What are the Steps to Clean the HED? - 5973 MS

What are the Steps to Maintain and Monitor the Vacuum in Chemical Ionization (CI) Mode? - 5973 MS

System communication issues

What are the Steps to Re-initialize the MSD / PC Communications - General GC/MS