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Table 1 Percent error between droplets measured by weight and optically for different total liquid volumes (oil+MilliQ volume) and the respective percent difference in oil volume when compared to the selected optimal total volume of 285 μl

From: Improved techniques for measurement of nanolitre volumes of phloem exudate from aphid stylectomy

Total liquid volume (μl) n % error % difference in oil volume from optimum volume
260 10 −14.4 8.77
270 10 −10.8 5.26
275 10 −9.2 3.51
280 14 −4.9 1.75
285 15 −0.1 0
290 15 8.1 1.75
295 13 17.0 3.51
300 15 21.6 5.26
310 10 31.1 8.77
  1. (%error=mean optical volume – mean droplet weight * 100/ mean droplet weight).