Synthesis of 1-chloro-1,1-difluoro-ethane PDF Download
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Author: B. Cheminal
Publisher:
ISBN:
Category :
Languages : en
Pages : 7
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Book Description
Author: B. Cheminal
Publisher:
ISBN:
Category :
Languages : en
Pages : 7
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Book Description
Author: John T. Barr (Jr.)
Publisher:
ISBN:
Category : Aluminum chloride
Languages : en
Pages : 50
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Author:
Publisher:
ISBN:
Category : Environmental health
Languages : en
Pages : 344
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Author:
Publisher:
ISBN:
Category : Patents
Languages : en
Pages : 692
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Book Description
Author: Sina Ebnesajjad
Publisher: John Wiley & Sons
ISBN: 1119323215
Category : Technology & Engineering
Languages : en
Pages : 448
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Book Description
This book describes fluorocarbons gases’ preparation process, properties, applications and their evolution over time. The impact of fluorocarbons on the ozone layer and global and the development to mitigate those effects have been specially emphasized. The first major industrial fluorinated compound was developed in the 1920’s, to replace ammonia and sulfur dioxide refrigerants, at the General Motors Frigidaire Division by Thomas Midgley, Jr. and Albert Leon Henne. They developed a family of fluorocarbons trademarked Freon® for auto air conditioning units revolutionizing the auto industry. Other applications were developed over time including fire extinguishers, propellants, blowing agents, cleaners, anesthesia, artificial blood and others impacting every facet of life. In spite of being in broad global use for nearly a century, fluorocarbon gases have gone through great evolution during the last few decades. In the 1980s it was discovered chlorofluorocarbon (CFC) gases are harmful to the ozone layer, mainly because of their chlorine content. Chlorine was released in the upper atmosphere when chlorofluorocarbon molecules were broken down by the high energy cosmic radiation. CFCs were progressively banned following the Montreal Protocol of 1987. CFCs were replaced by fluorinated gases containing either less chlorine (hydrofluoro-chlorocarbons, or HCFCs), which are much less damaging (about 90% less) to the ozone layer or with fluorinated gases containing no chlorine, i.e. hydrofluorocarbons or HFCs. HFC have no impact on the ozone layer but impact global warming detrimentally. HFCs are usable without need for changes to the existing refrigeration or air conditioning installations. More recently hydrofluoroolefins (HFOs), which have little or no negative impact on global warming, have been developed to replace or reduce the use of HFCs. HFOs are used as single compounds or in blends. Research and development continues to develop and replace the HCFCs and HFCs completely with environmentally friendly products. Concise Handbook of Fluorocarbon Gases presents a reference and text for the commercial fluorocarbon gases which have great many application in a wide range of industries such as refrigeration and air conditioning, as well as consumer products.
Author:
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ISBN:
Category : Science
Languages : en
Pages : 1016
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Author: China Trade Data
Publisher: Lulu.com
ISBN: 1105520056
Category : Business & Economics
Languages : en
Pages : 616
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Book Description
China Customs Tariff and Tax Schedule (2012 Edition) is a must-have tool for international trade practitioners who export to or import from China. It provides comprehensive information about all tariffs and taxes imposed on imports and exports by Chinese Customs Authority. These tariffs and taxes include: import and export Most Favored Nation (MFN) tariff rates, interim tariff rates, agreement tariff rates, special preferential tariff rates, general tariff rate, value added tax (VAT) rates, consumption tax rates and export tariff rates. The information is presented at 10-digit level. This Schedule is published in January each year as soon as the annual tariff and tax adjustments are promulgated by customs authority. Updates are available on our website immediately after any official amendments are made during the year. Also available on our website (chinatradedata.com): electronic version of this book, online tariff/tax database, online trade statistics database and data download services.
Author: Kirk-Othmer
Publisher: John Wiley & Sons
ISBN: 0471484962
Category : Science
Languages : en
Pages : 1085
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Book Description
The fifth edition of the Kirk-Othmer Encyclopedia of Chemical Technology builds upon the solid foundation of the previous editions, which have proven to be a mainstay for chemists, biochemists, and engineers at academic, industrial, and government institutions since publication of the first edition in 1949. The new edition includes necessary adjustments and modernisation of the content to reflect changes and developments in chemical technology. Presenting a wide scope of articles on chemical substances, properties, manufacturing, and uses; on industrial processes, unit operations in chemical engineering; and on fundamentals and scientific subjects related to the field. The Encyclopedia describes established technology along with cutting edge topics of interest in the wide field of chemical technology, whilst uniquely providing the necessary perspective and insight into pertinent aspects, rather than merely presenting information. Set began publication in January 2004 Over 1000 articles More than 600 new or updated articles 27 volumes Reviews from the previous edition: "The most indispensable reference in the English language on all aspects of chemical technology...the best reference of its kind". —Chemical Engineering News, 1992 "Overall, ECT is well written and cleanly edited, and no library claiming to be a useful resource for chemical engineering professionals should be without it." —Nicholas Basta, Chemical Engineering, December 1992
Author:
Publisher:
ISBN:
Category : Chemistry, Technical
Languages : en
Pages : 1032
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Book Description
Author: John H. Montgomery
Publisher: CRC Press
ISBN: 1351687719
Category : Science
Languages : en
Pages : 1645
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Book Description
Environmental Chemicals Desk Reference is a concise version of the widely read Agrochemicals Desk Reference and Groundwater Chemicals Desk Reference. This up-to-date volume was inspired by the need for a combination of the material in both references, together with the large number of research publications and the continued interest in the fate, transport, and remediation of hazardous substances. Much new data has been added to this unique edition, including global legislation (REACH) and sustainability, thereby reflecting the wealth of literature in the field. Featured are environmental and physical/chemical data on more than 200 compounds, including pesticides, herbicides, and fungicides.
