HPLC Troubleshooting

Please fill in as much detail as you can in the fields provided, so that our Technical ServiceRepresentatives will be able to answer your question completely. Contact information, such asphone number and fax number, is especially important.

Contact Information: * = required field

Name: (First, M.I., Last) Company: *Address:
City: State/Province: Zip/Postal Code: Country:	E-mail address: Phone number:* FAX number: Position or Title:

Please briefly describe the general nature of the problem or question
(2-5 words or keywords, e.g.: "high pressure" or "tailing")

Column specifications:

Cat. number: (optional)

Bonded Phase Type:

Column Length:
Column ID:

cm
mm

Temperature:

Flow Rate:

Pressure:

Additional column information:

Sample Information:

Concentration:

Sample components/Problem compounds:
Please hit <ENTER> between compound names.
Include method number, if applicable.

Solvent:

Injection size:

Injector type:

Instrument make & model:

Gradient Profile:

Mode:

Isocratic

Gradient

Solvent Composition: (time 0)
A: %	B: %	C: %

Time: (min.)

% A:

% B:

% C:

Detector type:

Wavelength(s), if applicable: (nm)

Detector Flow Cell Size: (µl)

Please describe the exact nature of the problem, noting any details not requested aboveas well as a brief overview of any troubleshooting measures that have already been attempted.

Thanks!