Table 5 Frequency of the water bending mode (δHOH) for each sample, prepared either with or without 1 M lauric acid.
From: Decontamination of water co-polluted by copper, toluene and tetrahydrofuran using lauric acid
Sample | δHOH frequency/cm−1 |
|---|---|
Pure water | 1636 |
Top layer—basic | 1641 |
Top layer—circum-neutral | 1643 |
Top layer—acidic | 1654a |
3:7 THF:water (v/v) mixture (without lauric acid) | 1640 |