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Table 7 Representation of overall statistical data %RSD for ruggedness

From: Quantitative determination of cyanoacetic acid content in teriflunomide drug substance by ion chromatography using conductivity detector

Variation Standard area
1 2 3 4 5 6 Mean SD %RSD
Standard conditions 0.1593 0.1629 0.1629 0.1628 0.1631 0.1637 0.1625 0.0016 1.0
Flow rate (0.6 mL/min) − 10% 0.1844 0.1846 0.1843 0.1843 0.1846 0.1849 0.1845 0.0002 0.1
10% 0.1502 0.1488 0.151 0.1501 0.1515 0.1524 0.1507 0.0013 0.8
Column oven temp (40 °C) − 5 0.1661 0.1667 0.1664 0.1665 0.1671 0.1667 0.1666 0.0003 0.2
5 0.1661 0.1657 0.1653 0.1657 0.1653 0.1652 0.1656 0.0003 0.2