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Communications from Consumables…
Hello
I need to do an LC/MSMS method for quantification on a compound that doesn't ionize into [M+H]+ (barely observed) but only into [M-H2O+H]+
Is there a problem with doing MS/MS on a [M-H2O+H]+ parent ion ?
(PS: negative ionization is not an…
Hi again Raina,
as I already told you this cannot be done with just one column, especially with the CO2 concentration up to 20% and water included and the necessity to analyze H2. This is an application we normally build an analyzer for. You need at…
The Digest of upcoming webinars has been updated as of June 5.
In June, you don't want to miss the GC Live Event, GC Live is Back in June with the Next Big Little Thing in GC: The New 8850 GC System on June 6!
Check Out:
Intelligent Analysis of…
Operating like this puts sub-optimal flow into the GCMS ion source of more than 2 ml/min. Please make sure that you have a system with a turbomolecular high vacuum pump and not a diffusion pump as 2 ml/min exceeds the maximum allowable flow into a diffusion…
Exciting news in the world of FTIR spectroscopy!
Agilent has just released MicroLab 5.8 , MicroLab Pharma 5.8 , and MicroLab Expert 1.3 —the software that powers the Cary 630 FTIR spectrometer and Agilent’s handheld and mobile FTIR systems . MicroLab…
Hi Margot,
It may well be that the column performance has deteriorated so much within the 7 months that the EasiVial standards are measured with poorer PDI values. The column performance can be tested with regular plate count determinations. It is a…
Hi sojeong,
every test report, delivered with aour columns, contains multiple specifications, but they are all measured with specialized systems and software. That means you might not be able to reproduce them identically. BTW for plate count you also…
Hi, I cannot configure the column compartment (CC) as it came integrated with the vial sampler on LC1290. We have the G7129B model for the integrated vial sampler and CC. I tried adding the column compartment details from the instrument configuration…
When the tuning is done at 3200 (+) everything is fine. When I change it to tune at 1700 (+) the masses are reasonably accurate. After it gets to the third mass (620) it appears that the entire spectrum shifts by about 1.5 AMU and the tuning fails. There…
This Information Applies To: 4150 TapeStation, 4200 TapeStation
Issue
How to deal with a TapeStation Electrode Cartridge change is due warning message.
Background
The Agilent TapeStation controller software will notify users to replace the...
This Information Applies To: Agilent OpenLab CDS
Issue
Sometimes the integration result is not ideal for all injections. This article outlines the step-by-step instruction to manually integrate peaks.
Background
There are 2 ways to integrate...
This Information Applies To: Agilent OpenLab CDS , Agilent OpenLab ChemStation
Issue
Calculation of Area percent or Height percent for uncalibrated compounds in OpenLab software. If all components respond equally in the detector, then Area% and...
This Information Applies To: Agilent ICP-MS (7700/7800/7850/7900/8800/8900)
Issue
How to power off the Agilent ICP-MS Foreline Pump to perform maintenance, or when fully powering off the Agilent ICP-MS System.
Background
The ICP-MS MassHunter...
This Information Applies To: Agilent ICP-MS (7500,7700,8800)
Issue
How to check the E2M18 or E2M18F foreline pump to determine if the pump needs maintenance?
Background
The oil cleanliness and oil level in the E2M18 or E2M18F foreline pump...
This Information Applies To: Agilent ICP-MS (7700/7800/8800)
Issue
How to replace the foreline pump oil in the DS 402.
Background
The DS 402 oil should be replaced at least every 3 months or when the oil color indicates it needs to be changed...
This Information Applies To: Agilent 8890/8860 GC Systems
Issue
How to delete data that is stored on the GC instrument.
Steps to follow
Caution : Before deleting data from your GC, Agilent recommends extraction of data as a backup...
This Information Applies To: 5200, 5300 and 5400 Fragment Analyzer, Femto Pulse and ZAG DNA analyzer
Issue
When no data is available in the Agilent ProSize data analysis software for one or more capillaries, the capillary(ies) could be misaligned...
This Information Applies To: Agilent ICP-MS (7800/7850/7900/8900)
Issue
How to check the MS40+ or MS40-S foreline pump to determine if the pump needs maintenance?
Background
The oil's cleanliness and level, in the MS40+ or MS40-S foreline...
This Information Applies To: Agilent ICP-MS systems (7700/7800/7850/7900/8800/8900)
Issue
Powering on Agilent ICP-MS Systems after maintenance, long-term shutdown, or for power cycling.
Steps to Follow
Confirm that the ICP-MS power plug...