UofT Libraries is getting a new library services platform in January 2021.
Learn more about the change.

Search Articles

X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (79187) 79187
Patent (34060) 34060
Newspaper Article (11389) 11389
Newsletter (4778) 4778
Book Chapter (3404) 3404
Magazine Article (1012) 1012
Conference Proceeding (943) 943
Report (869) 869
Dissertation (689) 689
Book / eBook (480) 480
Trade Publication Article (316) 316
Transcript (219) 219
Web Resource (209) 209
Government Document (120) 120
Publication (120) 120
Reference (101) 101
Book Review (33) 33
Paper (7) 7
Journal / eJournal (3) 3
Computer File (2) 2
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
chemistry (70108) 70108
science & technology (52809) 52809
physical sciences (40673) 40673
metallurgy (32664) 32664
catalysis (24037) 24037
technology (23681) 23681
catalysts (22827) 22827
transporting (22016) 22016
performing operations (22010) 22010
metals (19937) 19937
inorganic chemistry (19460) 19460
physical or chemical processes or apparatus in general (18426) 18426
chemistry, physical (18035) 18035
chemical or physical processes, e.g. catalysis or colloidchemistry (17595) 17595
their relevant apparatus (17595) 17595
materials science (13560) 13560
chemistry, multidisciplinary (12756) 12756
compounds containing metals not covered by subclassesc01d or c01f (11289) 11289
nanoparticles (10920) 10920
materials science, multidisciplinary (10866) 10866
apparatus therefor (10714) 10714
organic chemistry (10050) 10050
engineering (9617) 9617
oxidation (9396) 9396
electrolytic or electrophoretic processes (8939) 8939
general tagging of cross-sectional technologies spanning over several sections of the ipc (8762) 8762
general tagging of new technological developments (8762) 8762
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (8762) 8762
electrolytic or electrophoretic processes for the productionof compounds or non-metals (8400) 8400
science & technology - other topics (8294) 8294
ferrous or non-ferrous alloys (8149) 8149
treatment of alloys or non-ferrous metals (8149) 8149
physics (7913) 7913
life sciences & biomedicine (7703) 7703
technologies or applications for mitigation or adaptation againstclimate change (7325) 7325
engineering, chemical (6954) 6954
carbon (6900) 6900
metal oxides (6646) 6646
analysis (6633) 6633
hydrogen (6531) 6531
nickel (6395) 6395
nanotechnology (6334) 6334
electrochemistry (6024) 6024
transition metals (5997) 5997
copper (5971) 5971
oxygen (5693) 5693
alloys (5645) 5645
compounds thereof (5627) 5627
metal catalysts (5592) 5592
separation (5556) 5556
nanoscience & nanotechnology (5513) 5513
platinum (5500) 5500
electricity (5492) 5492
non-metallic elements (5395) 5395
palladium (5209) 5209
basic electric elements (5141) 5141
nanopartikel (5113) 5113
physics, applied (5099) 5099
chemical reactions (5089) 5089
research (5073) 5073
adsorption (5060) 5060
metal-organic frameworks (4962) 4962
compounds of the metals beryllium, magnesium, aluminium,calcium, strontium, barium, radium, thorium, or of therare-earth metals (4935) 4935
climate change mitigation technologies in the production orprocessing of goods (4860) 4860
catalytic activity (4843) 4843
electrocatalysts (4843) 4843
cobalt (4839) 4839
oxides (4806) 4806
catalyst-activity (4767) 4767
pretreatment of raw materials (4767) 4767
production and refining of metals (4767) 4767
environmental sciences (4673) 4673
katalytische aktivität (4568) 4568
energy & fuels (4540) 4540
nanostructure (4496) 4496
heavy metals (4493) 4493
chemical synthesis (4480) 4480
iron (4345) 4345
environmental sciences & ecology (4332) 4332
synthesis (4311) 4311
hydrogenation (4248) 4248
processes or means, e.g. batteries, for the direct conversionof chemical into electrical energy (4213) 4213
transition metal compounds (4164) 4164
gold (4132) 4132
acyclic or carbocyclic compounds (3935) 3935
indexing scheme relating to structural and physical aspects ofsolid inorganic compounds (3902) 3902
electrodes (3845) 3845
ligands (3811) 3811
noble metals (3739) 3739
sauerstoff (3723) 3723
chemical properties (3695) 3695
photocatalysis (3439) 3439
physics, condensed matter (3415) 3415
hydrocarbons (3410) 3410
reduction (3385) 3385
nitrogen (3370) 3370
carbon dioxide (3186) 3186
kinetics (3154) 3154
physical chemistry (3145) 3145
engineering, environmental (3103) 3103
more...
Library Location Library Location
Library Location Library Location
X
Sort by Item Count (A-Z)
Filter by Count
Gerstein Science - Stacks (126) 126
Online Resources - Online (119) 119
UofT at Mississauga - Stacks (44) 44
Engineering & Comp. Sci. - Stacks (34) 34
Chemistry (A D Allen) - Stacks (29) 29
Collection Dvlpm't (Acquisitions) - Vendor file (23) 23
Collection Dvlpm't (Acquisitions) - Closed Orders (13) 13
UTL at Downsview - May be requested (7) 7
UofT at Scarborough - Stacks (4) 4
Robarts - Stacks (3) 3
Chemistry (A D Allen) - Reference (2) 2
Engineering & Comp. Sci. - May be requested in 6-10 wks (2) 2
St. Michael's College (John M. Kelly) - 2nd Floor (2) 2
Aerospace - Stacks (1) 1
Earth Sciences (Noranda) - Stacks (1) 1
Engineering & Comp. Sci. - Missing (1) 1
OISE - Curriculum Resources (1) 1
UofT at Mississauga - Missing (1) 1
UofT at Scarborough - May be requested in 6-10 wks (1) 1
UofT at Scarborough - Processing (1) 1
more...
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (133394) 133394
French (7053) 7053
Chinese (6788) 6788
German (4774) 4774
Japanese (1947) 1947
Korean (1797) 1797
Russian (712) 712
Portuguese (378) 378
Spanish (309) 309
Norwegian (270) 270
Danish (207) 207
Dutch (134) 134
Finnish (103) 103
Swedish (91) 91
Polish (86) 86
Italian (82) 82
Czech (62) 62
Romanian (55) 55
Ukrainian (37) 37
Hungarian (26) 26
Turkish (19) 19
Bulgarian (16) 16
Croatian (16) 16
Arabic (14) 14
Indonesian (11) 11
Slovak (11) 11
Icelandic (10) 10
Greek (9) 9
Serbian (9) 9
Slovenian (9) 9
Latvian (3) 3
Lithuanian (3) 3
Moldavian (3) 3
Chamorro (2) 2
Estonian (2) 2
Hebrew (2) 2
Persian (2) 2
Afrikaans (1) 1
Catalan (1) 1
Malay (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


U.S. Patent No. 4 115,264, 6 p, 1 fig, 1 tab, 8 ref; Official Gazette of the United States Patent Office, Vol l974, no 3, p 1487, September 19,78, 01/1901
.... The life of a catalyst employed in the catalytic oxidation of organically polluted waters containing negligible amounts of alkali metal is extended by increasing the alkali metal concentration prior... 
Patents | Catalytic oxidation | Catalysts | Water pollution treatment | Alkali metals | Waste water treatment | Organic wastes | Oxidation | Water purification
Journal Article
06/1916
.... The raw materials should be free from catalysts causing decomposition. Solution of Solvay soda, for instance, may be boiled and filtered to remove iron compounds... 
NON-METALLIC ELEMENTS | COMPOUNDS THEREOF | METALLURGY | APPARATUS THEREFOR | CHEMISTRY | INORGANIC CHEMISTRY | ELECTROLYTIC OR ELECTROPHORETIC PROCESSES | ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS
Patent
03/1917
Lead arsenate is obtained by the reaction of lead on arsenic acid in the presence of a catalyst capable of dissolving lead, such as nitric acid... 
METALLURGY | CHEMISTRY | COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F | INORGANIC CHEMISTRY
Patent
05/1917
Metallic ores &c. are sulphatized by treating with an oxydizing-agent in presence of available sulphur under pressure at a suitable temperature. The... 
METALLURGY | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | PRETREATMENT OF RAW MATERIALS | FERROUS OR NON-FERROUS ALLOYS | PRODUCTION AND REFINING OF METALS
Patent
08/1917
The reaction of chlorine upon magnesia suspended in a fused medium as described in Specification 108,755 is facilitated by having present a small quantity of a catalyst capable of carrying chlorine... 
METALLURGY | COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS | CHEMISTRY | INORGANIC CHEMISTRY
Patent
10/1917
... and a catalyst such as an iron or manganese compound with chlorine while suspended in a mobile fused medium, in the same manner as magnesium chloride is prepared according to the parent case. 111,313. Ashcroft, E. A. Oct. 19, 1916... 
METALLURGY | COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS | CHEMISTRY | INORGANIC CHEMISTRY
Patent
08/1919
... gas or with a mixture of carbon monoxide and chlorine. When using a mixture of carbon monoxide and chlorine, a catalyst such as animal charcoal may be employed to convert part of the mixture into phosgene... 
METALLURGY | CHEMISTRY | COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F | INORGANIC CHEMISTRY
Patent
08/1919
... passed over a catalyst such as animal charcoal before being used for the production of anhydrous metallic chlorides... 
METALLURGY | CHEMISTRY | COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F | INORGANIC CHEMISTRY
Patent
09/1919
... compound or other catalyst if sufficient iron is not originally present, at above 800‹ C., and afterwards exposing the product to the action of the roast gases... 
METALLURGY | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | PRETREATMENT OF RAW MATERIALS | FERROUS OR NON-FERROUS ALLOYS | PRODUCTION AND REFINING OF METALS
Patent
02/1920
Zinc solutions, such as zinc sulphate, are purified for electrolysis by treatment with ozonized air in presence of a metallic oxide, hydrate, or carbonate,... 
METALLURGY | CHEMISTRY | COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F | INORGANIC CHEMISTRY
Patent
08/1920
Alumina is obtained from bauxite or other aluminous material by furnacing the latter in the presence of sulphur dioxide, air and steam, lixiviating the... 
METALLURGY | COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS | CHEMISTRY | INORGANIC CHEMISTRY
Patent
04/1921
.... When blister copper is employed as raw material, one of its impurities may be used as catalyst, the necessary solvent say nitric acid for silver or hydrochloric acid for selenium being added... 
METALLURGY | CHEMISTRY | COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F | INORGANIC CHEMISTRY
Patent
04/1921
Sodium hydrate and hydrochloric acid are obtained by treating with superheated steam a mixture of fused sodium chloride and a catalyst, platinized asbestos... 
NON-METALLIC ELEMENTS | COMPOUNDS THEREOF | METALLURGY | COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM | CHEMISTRY | INORGANIC CHEMISTRY
Patent
08/1921
.... The sulphur-dioxide, sulphur-trioxide and oxygen which are evolved thus come in contact with the descending alunite and the iron oxide contained therein, acting as a catalyst, causes the sulphur... 
METALLURGY | COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS | CHEMISTRY | INORGANIC CHEMISTRY
Patent
09/1921
Finely divided nickel obtained by heating nickel sulphide with solid caustic soda or mixtures thereof with other salts, is applicable, after slight reduction in hydrogen, as a catalyst in processes... 
METALLURGY | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | PRETREATMENT OF RAW MATERIALS | FERROUS OR NON-FERROUS ALLOYS | PRODUCTION AND REFINING OF METALS
Patent
09/1921
.... 91 of the Act]. Hydrochloric acid; caustic soda.-Fused sodium chloride is treated with superheated steam in the presence of a catalyst, e.g... 
NON-METALLIC ELEMENTS | COMPOUNDS THEREOF | METALLURGY | COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM | CHEMISTRY | INORGANIC CHEMISTRY
Patent
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.