Word: chemist
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
Acid for Wine. An expert chemist's advice for aging wine rapidly: "All young wine contains cream of tartar and tartaric acid. It usually requires several years of aging for the precipitation of excess tartar during the process of fermentation, and after the conclusion thereof. ... By addition of calcium malate in proper proportions to wine, even when young, and agitating it for a short time, any proportion of tartaric acid desired can be removed, leaving the malic acid to replace the natural constituent of grapes...
...process is feasible because synthetic chemistry has cheapened the manufacture of malic acid, the substance which gives apples their flavor. Dr. Charles Raymond Downs, Manhattan consulting chemist who presented the wine-aging idea, passes a mixture of air and benzene over a catalyst to get maleic acid. Other action turns the maleic to malic acid, which combines with calcium to form the desired calcium malate...
Plastics. Carleton Ellis, Montclair, N. J. research chemist, surveyed modern developments in synthetic resins. Best known ones are those made from phenol and formaldehyde (Bakelite, Durez), urea and formaldehyde (Unyte, Plaskon, Beetle), glycerol and phthalic anhydride (Glyptal, Rezyl), and vinyl compounds (Vinylite). Other trade names: Tornesite, Thiokol, Plioform, Victron. With Bakelite starting the grand march they have been widely used in small molded shapes. Late developments make it possible to mold large objects (chair backs and legs, table tops, radio cabinets) from plastics. Tanks nine feet in diameter have been molded from Haveg, a phenol-aldehyde. Textiles can be impregnated...
Zein. The director of the Corn Industries Research Foundation, Chemist Harry Everett Barnard, urged chemists to invent uses for zein, a protein left over as a by-product from the corn-refining industry. Arthur Dehon Little, Cambridge industrial chemist, is already experimenting. Zein resembles cellulose and cellulose derivatives in certain ways. It can be mixed with them, as in plastics. It resists water, decay and flames, has advantages as an adhesive, in sizing paper and textiles, and in finishing leather. Chemist Morris Omansky, Boston consultant, reports zein useful as a reinforcing compound for rubber manufacture, arid Dr. Barnard thinks...
...origin of species and the present conception of evolution that has grown from it. Another topic might be the Mendelian theory of the inheritance of characteristics, or Patseur's work on sterilization. A point of far-reaching importance that will posisbly be discussed is the greater collaboration of chemist and biologist...