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LC-NMR: Expanding the Limits of Structure Elucidation
February 5, 2020 - CRC

The isolation and structural characterization of substances present at very low concentrations, as is necessary to satisfy regulatory requirements for pharmaceutical drug degradants and impurities, can present scientific challenges. The coupling of HPLC with NMR spectroscopy has been at the...

Health and Safety of Clinical NMR Examinations
July 23, 2019 - CRC

Published in 1989: The short history of medical use of NMR is given. A brief introduction to the fundamental principles of NMR and the strategies of creating NMR image, as well as the exposure levels of various types of fields involved, are given. Authors: Bertil Persson,...

ASTM D7171 - Standard Test Method for Hydrogen Content of Middle Distillate Petroleum Products by Low-Resolution Pulsed Nuclear Magnetic Resonance Spectroscopy
May 1, 2020 - ASTM

This test method covers the determination of the hydrogen content of middle distillate petroleum products using a low-resolution pulsed nuclear magnetic resonance (NMR) spectrometer. The boiling range of distillates covered by the test method is 150 °C to 390 °C. While this test method may...

Basic Chemical Concepts and Tables
December 2, 2019 - CRC

Written as a quick reference to the many different concepts and ideas encountered in chemistry, Basic Chemical Concepts and Tables presents important subjects in a concise format that makes it a practical resource for any reader. The author covers multiple subjects including general chemistry,...

GMW15117 - State of Cure for Elastomeric Parts
September 1, 2019 - GMW

Purpose. A Design Release Engineer (DRE) has the option to specify proper cure on; the drawing, Statement of Requirements (SOR) or Component Technical Specification (CTS), using Dynamic Mechanical Analyzer (DMA)/Dynamic Mechanical Thermal Analyzer (DMTA), Nuclear Magnetic Resonance (NMR) or...

Phosphorus NMR in Biology
November 29, 2017 - CRC

NMR is a technique that can spoil you. It is true that it is not as sensitive as some of the spectroscopic methods, but the quality of the information and the incredible ease of sample preparation make it one of the tools that have opened new vistas in biological research. This volume is...

ASTM F2260 - Standard Test Method for Determining Degree of Deacetylation in Chitosan Salts by Proton Nuclear Magnetic Resonance (1H NMR) Spectroscopy
June 1, 2018 - ASTM

This test method covers the determination of the degree of deacetylation in chitosan and chitosan salts intended for use in biomedical and pharmaceutical applications as well as in Tissue Engineered Medical Products (TEMPs) by highresolution proton NMR (1H NMR). A guide for the...

Basic Introduction to Bioelectromagnetics
September 27, 2018 - CRC

Basic Introduction to Bioelectromagnetics, Third Edition, is a primary source for medical technologists and life scientists seeking to understand how electromagnetic fields interact with the body, and how they are used in medical applications. Instead of the complex math commonly used when...

NMR and Chemistry: An introduction to modern NMR spectroscopy
June 29, 2017 - CRC

Keeping mathematics to a minimum, this book introduces nuclear properties, nuclear screening, chemical shift, spin-spin coupling, and relaxation. It is one of the few books that provides the student with the physical background to NMR spectroscopy from the point of view of the whole of the...

DI-SAFT-82239 - ENVIRONMENTAL HAZARD ANALYSIS (EHA) REPORT
July 31, 2018 - NPFC

Use/Relationship: An Environmental Hazard Analysis (EHA) Report documents the results of an EHA in order to influence design decisions by integrating environmental considerations into the Systems Engineering (SE) process. It is a comprehensive evaluation of the environmental risks associated with...

ASTM D4875 - Standard Test Methods of Polyurethane Raw Materials: Determination of the Polymerized Ethylene Oxide Content of Polyether Polyols
April 1, 2018 - ASTM

Test Method A-Proton Nuclear Magnetic Resonance Spectroscopy (1H NMR) measures polymerized ethylene oxide (EO) content of ethylene oxide (EO) propylene oxide (PO) polyether polyols used in flexible polyurethane foams and non-foams. It is suitable for diols initiated from glycols of EO or PO...

The Chemistry of Metal Enolates, Volume 2
April 1, 2018 - WILEY

PATAI's Chemistry of Functional Groups publishes comprehensive reviews on all aspects of specific functional groups. Each volume contains outstanding surveys on theoretical and computational aspects, NMR, MS, other spectroscopic methods and analytical chemistry, structural aspects,...

Applications of EPR and NMR Spectroscopy in Homogeneous Catalysis
April 7, 2017 - CRC

Features Discusses recent insights into the nature of mechanisms of important catalytic transformations achieved on the basis of NMR and EPR spectroscopic data Considers simple and readily available spectroscopic techniques Addresses basics of nuclear magnetic and electron spin resonance...

ASTM D4273 - Standard Test Method for Polyurethane Raw Materials: Determination of Primary Hydroxyl Content of Polyether Polyols
April 1, 2018 - ASTM

Carbon-13 Nuclear Magnetic Resonance Spectroscopy (13C NMR) measures the primary hydroxyl content of ethylene oxide (EO)-propylene oxide (PO) polyether polyols used in preparing flexible polyurethane foams. This method is best suited for polyether polyols with primary hydroxyl contents of 10...

Nuclear Spin Relaxation in Liquids
December 19, 2017 - CRC

Nuclear magnetic resonance (NMR) is widely used across many fields of science because of the rich data it produces, and some of the most valuable data come from studies of nuclear spin relaxation in solution. The first edition of this book, published more than a decade ago, provided an...

ASTM D8154 - Standard Test Methods for 1H-NMR Determination of Ketone-Ethylene-Ester and Polyvinyl Chloride Contents in KEE-PVC Roofing Fabrics
November 1, 2017 - ASTM

This test method pertains to the determination of the relative contents of Ketone-Ethylene-Ester (KEE) and Polyvinyl Chloride (PVC) after their extraction from reinforced roofing membranes, or fabrics. Based on Proton Nuclear Magnetic Resonance Spectroscopy (1H-NMR), the method allows for...

Handbook of Phosphorus-31 Nuclear Magnetic Resonance Data (1990)
September 28, 2017 - CRC

To fully utilize Nuclear Magnetic Resonance (NMR) spectroscopy, a comprehensive and well-organized compilation of NMR data is necessary. While compilations have been available for other important NMR nuclei, such as carbon and fluorine, no comprehensive collection of data has...

Handbook of Spectroscopy: Volume I
December 14, 2017 - CRC

The principle objective of this handbook is to provide a readily accessible source of information on the major fields of spectroscopy. Specifically, these fields are NMR, IR, Raman, UV (absorption and fluorescence), ESCA, X-Ray (absorption diffraction fluorescence), mass spectrometry, atomic...

Handbook of Spectroscopy: Volume II
December 13, 2017 - CRC

The principle objective of this handbook is to provide a readily accessible source of information on the major fields of spectroscopy. Specifically, these fields are NMR, IR, Raman, UV (absorption and fluorescence), ESCA, X-Ray (absorption diffraction fluorescence), mass spectrometry, atomic...

Infrared Spectroscopy
January 30, 2018 - CRC

It is estimated that there are about 10 million organic chemicals known, and about 100,000 new organic compounds are produced each year. Some of these new chemicals are made in the laboratory and some are isolated from natural products. The structural determination of these compounds is the job of...

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