LCGC North America-03-01-2001

The authors' laboratory developed and validated an HPLC method to test for residual nonoxynol-9 on stainless steel, PTFE, and acrylic substrates.

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LCGC North America

March 01, 2001

This month's column looks at reproducibility and carryover problems associated with the development of a method used to verify analyst proficiency.

The first of a two-part series in which Majors examines the trends in column introductions at Pittcon 2001. He describes HPLC columns and packings for reversed-, normal-, and bonded-phase; ion-exchange; ion; size-exclusion; and large- and preparative-scale chromatography. He also looks at specialty HPLC columns.

GC Connections
LCGC North America

March 01, 2001

John Hinshaw examines inlet problems and their possible remedies.