Plate count (N)
Column efficiency: N = 5.54 (t/w½)². Higher is sharper. The index requires N ≥ 20,000 for a main peak.
Related terms
- System suitability
- Injections demonstrating the chromatographic system was performing acceptably when the sample was run. Required by every pharmacopoeia, documented on almost no research-peptide certificate.
- Plate height
- Column length divided by plate count. A physical measure of the efficiency per unit length, independent of column length.
see also Plate count (N) · Resolution (R)
see also Plate count (N)
Where this term appears
The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.
- Assay report records — the term appears in result tables, peak tables and provenance blocks
- Method references — where the measurement behind the term is defined
- All 22 glossary terms beginning with P