Word: ammonias
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...Roosevelt's office on the afternoon that the Brazilian Trade Agreement was to be signed. Five of them carried the usual equipment which they proceeded to set up in anticipation of the occasion. The sixth, Thomas D. McAvoy, had a tiny camera containing film specially sensitized in an ammonia bath. The President, ignoring the cameramen, continued with his work. He glanced at letters and orders. He squiggled his signature, doing his duty and eager to get it done (above) while Gus Gennerich stood ready with a blotter. Secretary Marvin Mclntyre hovered helpfully in the background. The Presidential package...
...heavy and light atoms are as distinct as red and green. To physicists, the heavy nucleus, the deuton, has proved an invaluable atom-smashing projectile. To commercial chemists, interaction experiments between hydrogen and heavy hydrogen at low temperatures have offered hope that the cost of synthesizing alcohols and ammonia may be drastically reduced...
...Lacey learned what had happened, nodded, called for soap flakes and ammonia. These he calmly poured into the nitroglycerin, announced that the explosive was "neutralized." Under his supervision the mixture was carried outside and poured down a sewer...
...solution through fine holes, finally obtaining long fibres which were spun into threads (Tubize). The viscose process (treating cotton with caustic soda and carbon disulphide) was patented eight years later by two U. S. chemists. Later a third method (little used today) was found using copper hydroxide and ammonia, and still later came a fourth in which the final product is not cellulose but cellulose acetate. Viscose rayon leads in U. S. production; the costlier acetate rayon?of which Du Font's much publicized fabric "Acele" is an example?is second. Most industrial chemists feel that nitrocellulose rayon is technologically...
...Although not definitely proved, the evidence seems to indicate that nicotine is at least one of the toxic factors [in cigaret smoking] and that carbon monoxide and the products of the cigaret papers may be eliminated as offending mediums." Other suspect factors: "Ammonia, pyridine and pyridine derivative, cyanides and sulpho-cyanides, arsenic...