Scavenging and the water-to-air

Bubble Scavenging and the Water-to-Air Transfer of Organic Material in the Sea... 

D.C. Blanchard and L.D. Syzdek, Importance of bubble scavenging in the water-to-air transfer of organic material and bacteria, J. Recherches. Atmos. 8 (1974) 529-540. 

Transfer the resin to a fritted glass funnel with EtOAc, using at least three washes to remove scavengers. If the peptide is very hydrophobic and noight be soluble in EtOAc, use EtaO for transfer and washing. Save the filtrate until you are sure that the peptide has not been lost. Allow the resin to air-dry. Extract the peptide with an appropriate solvent (3x) and allow the solvent to soak into the resin beads at each wash. For water-soluble peptides, 10% AcOH is often used. Many chemists prefer to extract the peptide with glacial AcOH, which can be lyophUized directly. ]... 

In these simpler types of boiler plants, corrosion protection generally is provided solely by the use of chemical treatments containing anodic passivators and alkali. Under conditions in which the (oxygen-containing) MU water requirement is expected to be very low, no specific oxygen scavenger is typically employed. This is often not the case in practice, however, for various reasons such as inadequate preventative maintenance, poor BD practice, the infiltration of air or oxygen, or other such reason. 

The formation of Au nanoparticles can be easily monitored by following the appearance of a surface plasma resonance band around 520-540 nm (Fig. 6.1). Yeung et al. [33] observed that the efficiency of gold particle formation was different in different alcohols (n-pentanol > propan-2-ol > methanol). This is due to the air/water surface activity of the alcohols and the ability of the solute to scavenge the primary OH radicals at the bubble/liquid interface. 

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