Word: acidity
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Dates: during 1940-1949
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...Rogers, city health officer, went into action. The slaughter of nylons, he decided, was probably caused by acid-laden soot from low-grade fuel...
Next day the DuPont Co., maker of nylon, issued a somewhat huffy communique. Strong acids "degrade" (weaken) nylon yarn, and soot particles sometimes contain enough sulphuric acid to do the deed. But it does not happen often. Except to a few uncommon chemicals, DuPont insisted, nylon is at least as resistant as silk, rayon or cotton...
...acid test facing Prime Minister St. Laurent was the general election expected some time this year. Last week Louis St. Laurent received notice that the struggle would be bitter and hard-fought. In a by-election in the Quebec riding of Nicolet-Yamaska, his Liberal Party candidate was beaten in a surprise turnover by a Progressive Conservative (Tory...
...press, St. Laurent's eyes twinkled as he pointed to a parallel between himself and Harry Truman. "We both came into office without an election," he said, "and we both replaced men who had wide experience and . . . success in winning elections. Mr. Truman has had his acid test, and I am facing mine ... I am here to try to find out, at first hand, Mr. Truman's secret...
Pineapples get their taste partly from hydroxyvaleric acid. But they are also a mixture of other acids, esters, alcohols, and a protein-splitting enzyme (bromelin) that will eat the skin off a man's fingers if given half a chance...