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Saturday, January 26, 2013


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Wednesday, January 23, 2013

Safety-Scale Laboratory Experiments for Chemistry




Author(s): Spencer L. Seager
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Notes on Statistics and Data Quality for Analytical Chemists


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Chemistry of Drugs (New Chemistry)


uthor(s): David E. Newton
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Mathematical Modeling Approaches for Optimization of Chemical Processes


Author(s): Gabriela Corsano
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Handbook of Organic Solvent Properties




Author(s): Ian Smallwood
Publisher: Butterworth-Heinemann
Date: 1996-04-12 Format: PDF Language: English ISBN10: 0340645784
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Excel for Chemists: A Comprehensive Guide


Author(s): E. Joseph Billo
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Tuesday, January 22, 2013

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Legal English, Second Edition

|PDF|343 pages|HAIGH. RUPERT

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Industrial Organic Chemistry, Hans-Jurgen Arpe, Stephen Hawkins

'Ideal for getting an overview of applied organic chemistry'

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Chemistry The Practical Science

From core concepts to current applications, Chemistry: The Practical Science promotes an interrogative approach that develops effective problem solvers and critical thinkers for today's world. Using the text and its pedagogical features as a model, students learn to appreciate the role of questioning in the process of chemistry and begin to think like chemists. In addition, applications woven throughout the narrative, examples, and exercises present core chemical concepts in the context of everyday life. This integrated approach encourages curiosity and demonstrates the relevance of chemistry and its uses in students' lives, their future careers, and their world. Chemistry introduces new topics as an instructor would in the classroom. The authors' approach to problem solving prompts students to begin by asking questions about the topic, think critically to arrive at a solution, evaluate their answers, and uncover related information about the concepts being explored. A dynamic art program, comprehensive end-of-chapter materials, and powerful technology resources complete this innovative textbook program.
 
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The Molecular World: Separation, Purification and Identification


This book looks at the common techniques used to prepare, purify and indentify chemicals. Topics including distillation, recrystallisation, chromatography, elemental analysis, atomic absorption spectroscopy and mass spectrometry are discussed, and are illustrated on video on the accompanying CD-ROMs. Infrared and nuclear magnetic resonance spectroscopy are covered entirely through multi-media, with animations and virtual experiments. The reader is provided with examples for interpretation, and can draw in the structures using the software provided. There is also a set of interactive self-assessment questions. In all, the multi-media software suite comprises more than twelve hours of material. Separation, Purification and Identification concludes with a Case Study on Forensic Science, in which illustrations of criminal cases where spectroscopic techniques provided evidence are given. The Molecular World series provides an integrated introduction to all branches of chemistry for both students wishing to specialise and those wishing to gain a broad understanding of chemistry and its relevance to the everyday world and to other areas of science. 
 
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Macroscale and Microscale Organic Experiments, 6th Edition


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Understanding the Principles of Organic Chemistry: A Laboratory Experience

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Organic Chemistry 8th ed. - F. Carey, R. Giuliano (McGraw-Hill, 2011)| PDF


Throughout all eight editions, Organic Chemistry has been designed to meet the needs of the "mainstream," two-semester, undergraduate organic chemistry course. This best-selling text gives students a solid understanding of organic chemistry by stressing how fundamental reaction mechanisms function and reactions occur.
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Experimental Organic Chemistry- A Miniscale and Microscale Approach 5th - Gilbert, Martin


PDF|John C. Gilbert (Author), Stephen F. Martin (Author)|960 pages|Brooks Cole; 5 edition (January 19, 2010)
Providing even more emphasis on inquiry-based learning, a new green experiment, and more than a dozen new discovery experiments, this Fifth Edition of Gilbert and Martin's proven EXPERIMENTAL ORGANIC CHEMISTRY contains procedures for both miniscale (also known as small scale) and microscale users. The manual first provides an early focus on equipment, record keeping, and safety in the laboratory, then walks students step by step through the laboratory techniques they need to perform the book's experiments with confidence. Chapters show students how to use the book's techniques to synthesize compounds and analyze their properties, complete multi-step syntheses of organic compounds, and solve structures of unknown compounds. A bioorganic experiment in Chapter 24 reflects the increasing emphasis on bioorganic chemistry in the course and gives students an opportunity to accomplish a mechanistically interesting and synthetically important coupling of two a-amino acids to produce a dipeptide.
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Organic Chemistry: An Intermediate Text, 2nd Edition


Organic Chemistry: An Intermediate Text, 2nd Edition| PDF
 Robert V. Hoffman| 496 pages |September 2004

Ideal for those who have previously studies organic chemistry but not in great depth and with little exposure to organic chemistry in a formal sense. This text aims to bridge the gap between introductory-level instruction and more advanced graduate-level texts, reviewing the basics as well as presenting the more advanced ideas that are currently of importance in organic chemistry.
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Wednesday, January 2, 2013

After The Gandhi's Autobiography this is the most inspired book every one must read




Title: The Man Who Knew Infinity – A Life of the Genius Ramanujan
Author: Robert Kanigel
Publisher:  Abacus, 2008 (First published 1991)
ISBN: 978-0-349-10452-2
Pages: 373

Every Indian has heard about Ramanujan. Even those who cringe at the thought of mathematics would vociferously point out to him as the man who made India proud at his mathematical talent. He was extremely capable, no doubt, but India failed to recognise his genius and only after he was acknowledged as worthy of attention by a few British academicians did we relent to provide him with resources to pursue his interest without undue concern about his family. This point brings out one issue in vivid detail – our inability to rely on our own judgement. Indians, as a whole still depend on – or appears to depend on – foreign opinion on what is good or bad for them! This aspect is particularly recognised by man-gods who are so numerous today and making good money by fleecing the faithful. One prominent feature of their marketing ploy is to make it appear that the ashram, or abode of the spiritual leader is frequented by foreigners or that the guru is well appreciated abroad, which his foreign trips would duly attest to. Coming back to our book, Ramanujan was also a product of British observation and judgement, so to say. The book portrays all aspects of his short life in true detail. The author, Robert Kanigel is a professor of Science Writing and Director of the Graduate Program in Science Writing at MIT. He is the author of many books and his flair is easily seen through the lines.
Srinivasa Ramanujan Iyengar was born on Dec 22, 1887 at Erode, Tamil Nadu. He was brought up at Kumbakonam and studied there. After high school, which was not particularly noteworthy, he was hooked up with a math textbook by G S Carr, which was ordinary in quality. He lavished his sole attention on math and began neglecting other subjects. He failed in exams and his scholarship was revoked. After failing to obtain B.A degree from the colleges in Kumbakonam and Madras, his family made an arranged marriage for him, with a child bride of 9 years old. Ramanujan had to go in search for a job, displaying his notebooks in front of worthy patrons who would support him doing it. Though he had no academic qualifications to show off, he eventually found a patron in Ramachandra Rao, a high ranking civil servant who allowed him a stipend of 25 rupees per month. This was something amid the distressing circumstances, but not much. Many a times he had to write in red ink on paper already written with blue ink, to conserve paper! His first paper on Bernoullin Numbers appeared in the first journal of newly constituted Indian Mathematical Society in Madras. With publication, Ramanujan’s talent began to be noticed, but nobody was in a position to assess its worth when compared to established mathematical precincts. He was urged to write to European mathematicians for encouragement, which he did by writing to three English professors, of which G H Hardy alone had the sensibility to detect genius in his otherwise unordered work. The association with Hardy was to change Ramanujan’s life forever.
Hardy at first dismissed the letter from India as prank, but some of the theorems expounded in them caught his eye. Littlewood, who was his colleague, also took interest in it and after careful deliberations, decided to bring Ramanujan to Cambridge for further study and polishing his skills. Eric Neville was despatched to India to persuade the genius who was loathe to leave India since crossing the seas was forbidden to brahmins, to which caste he belonged. However, as with several Hindu customs which would bend before money and influence, this one was also manageable to Hardy. Ramanujan agreed to cross the seas to England. They also prompted Madras University to foot the bill for Ramanujan’s stay there for two years. He set sail in 1914 and straight away plunged into work.
With help and support from Hardy and Littlewood, Ramanujan progressed steadily and published several distinguished papers. Even though Cambridge was steeped in World War I, and its faculty and students engaged in hostilities far away on the continent, he continued his work singlemindedly. The sheer joy of finding his real mettle helped grease the path for the first three years, but things began to change for the worse after that. Ramanujan was a strict vegetarian and had to cook for himself since he couldn’t eat at a place that even processed meat. The vegetables, fruits and milk became increasingly dearer as the war wore on interminably. Reduced calorie intake, coupled with overwork and no physical exercises made him afflicted with tuberculosis. Recuperation in distant sanatoriums was stressful, for his particular habits mentioned above. Added to this was the stressful letters coming in from home regarding the domestic warfare between his mother and wife. Ramanujan was mentally stretched to the breaking point and tried to commit suicide by jumping before an oncoming underground train, which was stopped just in the nick of time to save him.
Professionally, his star had risen. He was admitted to the Royal Society as a fellow and soon became a fellow of Trinity College in Cambridge as well, where he worked along with Hardy. His bad health prompted him to return to India in 1919. The reception was warm this time, with Madras University offering him a sinecure professorship with freedom to do research on whatever field he liked. However, Ramanujan’s life was to be short one as TB put its tentacles firm around him. He ded on Apr 26, 1920, at the age of 32.
Ramanujan’s contributions ranged mainly on number theory and elliptical functions. He pioneered many fruitful investigations in infinite series, mock-theta functions and partition functions in number theory. His method for calculating the value of Pi (the ratio of circumference to diameter of a circle) is the fastest algorithm developed for computer applications. His theorems were based on intuition which was proved true in a rigorous way by other mathematicians around the world. Ramanujan’s mastery of numbers continued unabated even when he was seriously ill with TB. When Hardy visited Ramanujan who was convalescing in a sanatorium, he casually mentioned the number of his cab which was 1729 and remarked that it was an ugly number. Ramanujan immediately came out with a negation and declared it is a very auspicious number since that is the shortest integer, which can be expressed as the sum of two cubes, as 1729 = 103 + 93 and also 123+13!
The book is noteworthy for the fact that biographies of Ramanujan either rely solely on the biographical aspect, without paying any attention to his work and those who concentrate on the work fail to portray the genius as a man. This book finds a right balance between the two and handles mathematical concepts without becoming a burden on the general reader. Though a set of photo plates are included, there is only one image of Ramanujan, the one the world is so familiar with. Kanigel’s biographical acumen extends further from his human subjects towards the educational systems, religious and geographical peculiarities and such like. His coverage of G H Hardy also places before the reader an arresting caricature of British public school system. To accentuate the description of the effects of war on Ramanujan, Kanigel goes on to provide an interesting survey of those difficult times in Europe.
There is only one drawback to place against the work. Undue importance given to details of personal lives of Hardy and his colleagues in Cambridge distracts the reader from the main theme. This would have been avoided to good measure. Perhaps these passages may be edited out from books addressed to children.