Sep 1, 2008
By:
John W. Dolan
|
John Dolan regularly receive e-mails from readers with a wide variety of questions. As he cleans out his inbox, he chooses a few of these to share.
Aug 1, 2008
By:
John W. Dolan
|
After returning from Israel, John Dolan dedicates this month's column discussion to three problems that know no international boundaries: how to condition a new column, the effect of washing a column with water, and ...
Jul 1, 2008
By:
John W. Dolan
|
This month's column will consider two problem areas; peaks that have severely tailing peaks, or split or doubled peaks, and the peaks that front badly.
Jun 1, 2008
|
John Dolan has discovered that check-value problems have jumped to the top of the list with LC users. He takes a look at them in this month's installment of "LC Troubleshooting."
May 1, 2008
By:
John W. Dolan
|
For this month's discussion, John Dolan shares some of the key resources that he recommends using when you have one of those "How do I?" questions.
May 1, 2008
By:
John W. Dolan
|
Ion-pair chromatography can be your best friend or your worst enemy.
How does a change in flow-rate affect the separation?
Apr 1, 2008
By:
John W. Dolan
|
If the problem source cannot be found or if found, cannot be corrected, an adjustment in flow-rate is justified.
Apr 1, 2008
By:
John W. Dolan
|
After taking a course on learning that stated most people only remember three main points from an eight-hour training class, John Dolan decided to use three points to form the core of a preventive maintenance program for your LC system.
Mar 1, 2008
By:
John W. Dolan
|
After teaching a training class in China, John Dolan was reminded of how chromatographers worldwide encounter the same types of problems, such as method transfer. This month's column is dedicated to method transfer problems.
