Figure 5. Response linearity of dansyl derivatized 3kPZS, from 0.1 ppm to 100 ppm. The line is a linear regression fit with a correlation coefficient of 1.0

From

Development of a Simple HPLC Method for the Sea-lamprey Pheromone, 3-ketopetromyzonol Sulfate (3kPZS)

Kenneth Banks, James E. Hanson

American Journal of Marine Science. 2021, 9(1), 12-15