Functional specifications for an advanced chromatography automation system /

Mode of access: Internet.

Ion chromatography of anions /

"March 1980."

User's guide for the gas chromatography automation system /

Mode of access: Internet.

Performance tests for the evaluation of computerized gas chromatography/mass spectrometry equipment and laboratories /

"April 1980"--Cover.

Chromatography, or, A treatise on colours and pigments, and of their powers in painting, &c. /

Color samples on front. hand-colored.

Method of analysis and quality-assurance practices for determination of pesticides in water by solid-phase extraction and capillary-column gas chromatography/mass spectrometry at the U.S. Geological Survey California District Organic Chemistry Laboratory, 1996-99 /

Mode of access: Internet.

Inorganic chromatography.

Mode of access: Internet.