Word: alkylates
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Sulphonated castor oil, the sodium alkyl sulphates, and the sodium salts of sulphonated alkyl naphthalenes are "wetting agents." As explained last week in Massachusetts Institute of Technology's Review, wetting agents reduce the surface tension of water (which makes it contract into drops), thus enable it to penetrate and soak water-resistant substances. Wetting agents are now used in laundries, in dyeing and tanning, in medicine (increasing the efficacy of antiseptic solutions), in tooth paste, in metalworking...