COMPOUND

g (L⁻¹)

g (vol・NS)⁻¹

H₃BO₃

0.00288

172.8

MnCl₂∙4H₂O

0.00181

108.6

ZnSO₄∙7H₂O

0.00022

13.2

CuSO₄∙5H₂O

0.00018

10.8

H₂MoO₄

0.00002

1.2

Fe-EDTA

0.03787