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Standards and Best Practice in Absorption Spectrometry

Standards and Best Practice in Absorption Spectrometry
Author: C. Burgess
Publisher: Wiley-Blackwell
Total Pages: 246
Release: 1999-03-24
Genre: Science
ISBN: 9780632053131
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Written for academic chemists working in industrial, government and academic laboratories, this book aims to be the definitive guide to standards, compliance and best practice in absorption spectrometry. Compiled by a distinguished team of authors and co-ordinated by the Ultraviolet Spectrometry Group (UVSG), it is essentially a practising analytical chemists' manual. The underlying theory is covered in outline, with references to more fundamental works. The discussion on standards in the first part represents a consensus of informed user opinion and is independent of any commercial bias. The second part contains a guide to the practical application of UV spectrometry written by recognised experts in the field. Part 1 Standards: Overview of UV spectrometry, cell design and construction, instrument design, liquid absorbance standards, solid absorbance standards, stray light, wavelength standards, regulatory overview, recommended procedures for standardisation. Part 2 Practical Absorption Spectrometry: Absorption spectrometry in practice, measuring the spectrum, chemometric techniques and numerical methods, derivative techniques, and automated sampling.

The Practice of Absorption Spectrophotometry

The Practice of Absorption Spectrophotometry
Author: E. I. Stearns
Publisher: John Wiley & Sons
Total Pages: 376
Release: 1969
Genre: Business & Economics
ISBN:
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Quantitative Spectroscopy: Theory and Practice

Quantitative Spectroscopy: Theory and Practice
Author: Brian C. Smith
Publisher: Elsevier
Total Pages: 214
Release: 2003-01-17
Genre: Science
ISBN: 0080515533
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The determination of the concentrations of molecules in samples has long been an important application of spectroscopy. In the last 20 years advances in algorithms, computers, instruments, and software have led to a growing interest in this field. These developments mean samples and analytes that were once considered intractable are increasingly yielding usable calibrations. The purpose of this book is to give readers, without an advanced math background, a thorough grounding in the theory and practice of modern quantitative spectroscopic analysis. The author has placed great emphasis on providing the reader with everything they need to know to obtain a fundamental understanding of quantitative spectroscopy. · Relevant theory is explained in an easy to understand, conversational style. · Actual spectroscopic data and calibrations are used throughout the book to show how real world calibrations are achieved. · The complexities of Factor Analysis (PCR/PLS) algorithms are explained in pictures and words, making them understandable for all. · Written from a spectroscopic rather than a mathematical point of view. · Relevant theory is interspersed with practical discussions in order to make difficult concepts easier to comprehend · It is a comprehensive introduction for novices, and an excellent reference for experts. · Topics on spectroscopy are included to emphasize its importance in quantitative spectroscopy

Analytical Absorption Spectrophotometry in the Visible and Ultraviolet

Analytical Absorption Spectrophotometry in the Visible and Ultraviolet
Author: L. Sommer
Publisher: Elsevier
Total Pages: 313
Release: 2012-12-02
Genre: Science
ISBN: 044459745X
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Despite the existence of many competitive analytical techniques, molecular absorption spectrophotometry still remains very popular in practice, particularly in biochemical, clinical, organic, agricultural, food and environmental analyses. This is due mainly to the inherent ease and relative simplicity of spectrophotometric procedures and the availability of reliable and highly-automated instruments. Moreover, the method and its instrumentation has recently undergone considerable development resulting in some new special approaches of spectrophotometry in the ultraviolet (UV) and visible (VIS) regions.Although there are a number of comprehensive textbooks dealing with UV/VIS spectrophotometry, they tend to describe historical aspects or contain collections of detailed procedures for the determination of analytes and do not reflect sufficiently the present state of the method and stage of development reached. This book provides a concise survey of the actual state-of-the-art of UV/VIS spectrophotometry.Special attention has been paid to problems with the Bouguer-Lambert-Beer law, absorption spectra, present trends in instrumentation, errors in spectrophotometry, evaluation of analyte concentration and calibration, optimization procedures, multicomponent analysis, differential spectrophotometries, problem of blanks, derivative and dual-wavelength spectrophotometry, spectrophotometric titration, the strong relations between complex formation and spectrophotometry, spectrophotometric investigation of complex equilibria and stoichiometry or automation in spectrophotometry. The significance of spectrophotometry in connection with liquid-liquid extraction, reaction kinetics, trace analysis, environmental and clinical analysis is also covered.The text is supported by tables and figures, and numerous references are provided for each topic treated. The book is written for all those who use UV/VIS spectrophotometry in the laboratory and will also be useful to students as supplementary reading.

Atomic Absorption Spectrometry in Occupational and Environmental Health Practice

Atomic Absorption Spectrometry in Occupational and Environmental Health Practice
Author: Dimiter L. Tsalev
Publisher: CRC Press
Total Pages: 374
Release: 1995-05-17
Genre: Science
ISBN: 9780849349997
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This new, self-contained volume covers in a critical, exhaustive, and in-depth manner the progress in AAS determinations of 55 chemical elements in 42 individual chapters, with an emphasis on the latest instrumental and methodological developments. These include Zeeman background correction, the Stabilized Temperature Platform Atomizer (STPA), flow-injection and continuous-flow approaches, slurry and solid sampling, efficient chemical modification, on-line sample pretreatment/enrichment, speciation, availability of QC materials, alternative analytical techniques, and more. A key to this vast application area is provided by well-organized tabulated information, including outlines of 782 selected AAS procedures for analysis of blood, serum, urine, hair, nail, teeth, tissues, food, and other relevant biological specimens. More than 2100 AAS papers are included in a unique bibliography of 3223 up-to-date references spanning the last 13 years.