936
NEWS
EDITION
Vol. 19, No. 16
LIFE ON THE (Left) HOW RAINDROPS FORM is a mystery which m a y be nearer solution with t h e reported dis covery, atop M t. Washington, Ν . Η . , that cloud vapors contain one part H2SO4 t o 1,000,000 parts water. Sulphuric acid—a product supplied t o commercial users by Cyanamid—may help form cloud droplets. T h e proportion of acid in the droplets i s , of course, far t o o small t o harm human beings or any other kind of life. (Below) FIRE RETARDANT PAINTS, utilizing urea formaldehyde base resins and ammonium phos phate, have shown many excellent properties in preliminary research a t the U . S. Forest Products Laboratory, Madison, Wisconsin. Wood speci m e n s shown are: (a) before fire test; (b) uncoated, after test; (c) and (d) coated, after being tested. Cyanamid is a leading supplier of urea formal dehyde type resins, ammonium phosphate and other materials used b y the paint industry. A
D
7
(Above) NEW PHARMACEUTICAL BUILDING at Cyanamid's Calco Chemical Division includes extensive facilities designed and installed b y Cyanamid's o w n technical and construction staff. Calco's steadily expanding line of high quality pharmaceu ticals includes Sulfapyridine, Sulfathiazole, Sulfanilimide, Nicotinic Acid, Cinchophen, Glutamic Acid H C L , Aminoacetic Acid, Mandelic Acid, Methylene Blue and m a n y other dependable products for t h e drug and pharmaceutical trades. (Below) DRY CLEANING AND LAUNDERING solvents frequently show improved results when Cyanamid s AEROSOL* Wetting Agents are added. These wetting agents are t h e most powerful at present commercially available. They a r e used by scores ot industries where faster wetting, penetration and dispersion are desired.
NEWS
August 25, 1941
937
EDITION
CHEMICAL NEWSFRONT
(Above) WHETHER THE WEATHER will damage sample fabrics is being de termined on this laboratory roof. Textiles which stand up in this test may be used t o clothe our growing defense forces. Cyanamid assists tex tile manufacturers by developing new chemicals and finding better ways t o utilize available materials. Among such chemicals with which Cyanamid supplies the industry are NO-ODOROL**, high-grade finishing oil; a_new, most efficient polyphosphate, marketed under trade-name, QUADRAFOS; warp sizes; foam eliminators; emulsifiers; mordants; heavy chemicals.
(Above) THIS NEW CHEMICAL ABSORPTION HYGROMETER, described by D r . C . V. Thornthwaite of the U. S. Soil Conservation Service, uses alumina to measure economi cally and accurately va t e r content of the atmosphere. (Below) NEW TESTS OF PAPER CURRENCY at National Bureau of Standards show in a few minutes how bills will stand u p in several months of handling. Cyanamid is a leading supplier of most chemicals used by the paper industry.
(Above) TOBACCO COLOR AND AROMA can b e chemicallv extracted from leaves now considered inferior because of their dark brown color, it is reported b y D r . W. D . Turner and associates of Columbia University. Improvement in the grade of tobaccos is thereby deemed possible. The tobacco industry uses quantities of Cyanamid's Liquid H C N as a f umigant·
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