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Table 1 pH values of hydroponic solution initially and after 4 h of PHE uptake

From: Accumulation of phenanthrene by roots of intact wheat (Triticum acstivnmL.) seedlings: passive or active uptake?

Treatment

Hoagland nutrient solution

Millipore water

 

pH1

pH2

ΔpH

pH1

pH2

ΔpH

+0 μM PHE

5.50

5.71 ± 0.02 c

0.21 ± 0.02 c

5.50

5.47 ± 0.04c

-0.03 ± 0.04c

+2.81 μM PHE

5.50

5.90 ± 0.03 b

0.40 ± 0.03 b

5.50

6.08 ± 0.03b

0.58 ± 0.03b

+5.62 μM PHE

5.50

6.15 ± 0.04 a

0.65 ± 0.04 a

5.50

6.24 ± 0.05a

0.74 ± 0.05a

  1. Hoagland nutrient solution (pH 5.5) and Millipore water (pH 5.5) were employed for hydroponic solution. a, b, c, p < 0.05. PHE, phenanthrene. pH1, pHinitial. pH2, pHafter 4 h. ΔpH = pHafter 4 h - pHinitial.