Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3744Chemical news office., 1932 |
Z wnętrza książki
Wyniki 1 - 3 z 4
Strona 34
... copper ore known as Glimmerschiefer and which is regarded as free from gold . This ore was dissolved in aqua regia and evaporated to dryness , the residue yielding gold after removal of copper , etc. Prof. Traube suggests colloidal gold ...
... copper ore known as Glimmerschiefer and which is regarded as free from gold . This ore was dissolved in aqua regia and evaporated to dryness , the residue yielding gold after removal of copper , etc. Prof. Traube suggests colloidal gold ...
Strona 38
... COPPER ALLOY- MONEL METAL . In the early days , methods had been developed for separating the nickel and the copper mined in the Sudbury area , but early in 1904 it was decided to smelt out the two metals simultaneously and to examine ...
... COPPER ALLOY- MONEL METAL . In the early days , methods had been developed for separating the nickel and the copper mined in the Sudbury area , but early in 1904 it was decided to smelt out the two metals simultaneously and to examine ...
Strona 41
... COPPER . Copper production amounted to 290,581,000 pounds valued at 23,772,000 dollars as compared with 303,478,000 pounds valued at 37,948,000 dollars , a de- cline of 37 per cent . in value and 4 per cent . in quantity over 1930 ...
... COPPER . Copper production amounted to 290,581,000 pounds valued at 23,772,000 dollars as compared with 303,478,000 pounds valued at 37,948,000 dollars , a de- cline of 37 per cent . in value and 4 per cent . in quantity over 1930 ...
Spis treści
H W BLOOD RYAN M A D Sc LL D Ph D | 34 |
U S Chemists Battle over Best Type of Catalyst | 42 |
New Patents | 48 |
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetone acetyl alloys American Chemical Society Argentina Basins boiling bushels calcium carbide Canadian nickel Canadian Pacific Railway Castellot's catalyst cellulose acetate Cellulose triacetate cent Chapman and Hall Chemical Engineer Chemical Industry chemist Chief Hydraulic Engineer commercial Company compounds copper D.Sc director dollars as compared economic essential oils ester Ethyl Fellowship Germany Gliadin gold hydrogen chloride important Index Institute of Chemistry Isopropyl alcohol Joint meet KOMATSU and TAKEHIKO laboratory London Manchester Section manufacture mineral Monel metal N. C. Grover nickel industry nitrocellulose Ontario orpiment ounces valued Pacific Slope Patents Petroleum Ph.D pine oil plates pounds valued Price production amounted Prof pyridine Redler rubber Rutacea Sanitary Technics scientific SHIGERU KOMATSU soluble solution solvents South Wales South Wales Section steel Studies on Proteins Sudbury Sudbury district synthetic Technics and Urban tion tons Trade trict United University Urban Hygiene utilisation vanadium vapour viscose Volume Water Supply Paper Weidlein world's York