y1

y2

y3

y4

y5

y6

y7

y8

y9

y10

y ¯ w , d

unit

0.297

0.304

0.277

0.331

0.401

0.269

0.324

0.342

0.253

0.381

0.318

ppm

−0.569

−0.517

−0.558

−0.480

−0.397

−0.570

−0.489

−0.466

−0.597

−0.419

−0.498

log10 (μmol/mol)