Methods in Agricultural Chemical Analysis

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Methods in Agricultural Chemical Analysis

Methods in Agricultural Chemical Analysis

A Practical Handbook

  • Author: N. T. Faithfull
  • Publisher: CABI
  • ISBN: 9780851997896
  • Category: Science
  • Page: 266
  • View: 5294
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This reference manual contains information on the most suitable procedures for the analysis of agricultural materials. It describes the analysis of soils and composts, plant materials, feeds, plant components (e.g. cellulose, lignin, trace elements), fertilizers, and biological substances. The book is designed as a laboratory sourcebook, complete with useful Internet addresses, and contains over 60 different practical methods. Each method is described by a step-by-step approach, and contains details of apparatus required, chemical reaction equations, formulae and calculations, and meticulous descriptions of experimental results. Most methods use standard equipment and instruments commonly found in the practical lab. The aim is that scientists with little experience in analytical techniques should be able to safely carry out these procedures and obtain acceptable results.

Selection of the HPLC Method in Chemical Analysis

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Selection of the HPLC Method in Chemical Analysis

Selection of the HPLC Method in Chemical Analysis

  • Author: Serban C. Moldoveanu,Victor David
  • Publisher: Elsevier
  • ISBN: 0128037113
  • Category: Science
  • Page: 598
  • View: 9561
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Selection of the HPLC Method in Chemical Analysis serves as a practical guide to users of high-performance liquid chromatography and provides criteria for method selection, development, and validation. High-performance liquid chromatography (HPLC) is the most common analytical technique currently practiced in chemistry. However, the process of finding the appropriate information for a particular analytical project requires significant effort and pre-existent knowledge in the field. Further, sorting through the wealth of published data and literature takes both time and effort away from the critical aspects of HPLC method selection. For the first time, a systematic approach for sorting through the available information and reviewing critically the up-to-date progress in HPLC for selecting a specific analysis is available in a single book. Selection of the HPLC Method in Chemical Analysis is an inclusive go-to reference for HPLC method selection, development, and validation. Addresses the various aspects of practice and instrumentation needed to obtain reliable HPLC analysis results Leads researchers to the best choice of an HPLC method from the overabundance of information existent in the field Provides criteria for HPLC method selection, development, and validation Authored by world-renowned HPLC experts who have more than 60 years of combined experience in the field

Starch in Food

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Starch in Food

Starch in Food

Structure, Function and Applications

  • Author: Ann-Charlotte Eliasson
  • Publisher: CRC Press
  • ISBN: 9780849325557
  • Category: Technology & Engineering
  • Page: 605
  • View: 9412
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Starch is an important ingredient for the food industry and researchers are making progress in discovering new details about its structure, functionality and impact on our health. Starch in Food reviews starch structure and functionality and the growing range of starch ingredients used to improve the nutritional and sensory quality of food. Starch in Food begins by illustrating how plant starch can be analyzed and modified, with chapters on plant starch synthesis, starch bioengineering, and starch-acting enzymes. It examines the sources of starch, from wheat and potatoes to rice, corn, and tropical supplies. The book looks at modified starches and the stability of frozen foods, starch lipid interactions and starch-based microencapsulation. It covers starch as a functional food, investigating the impact of starch on physical and mental performance, detecting nutritional starch fractions, and analyzing starch digestion. Starch in Food is an authoritative and indispensable reference, edited by a leader in the field with contributions from experts worldwide.

Physical Methods in Agriculture

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Physical Methods in Agriculture

Physical Methods in Agriculture

Approach to Precision and Quality

  • Author: Jirí Blahovec,Miroslav Kutílek
  • Publisher: Springer Science & Business Media
  • ISBN: 9780306474309
  • Category: Technology & Engineering
  • Page: 454
  • View: 6429
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The frrst attempts to use physical methods in agriculture can be found in nineteenth century as a necessary component of farm and food machinery. There were mechanics, electricity and physical chemistry that were the first physical disciplines used in agriculture and food industry. In the same time period the studies on physical properties of soils started to be one of main topics of soil science. The twentieth century was a century of research on physical properties of agromaterials. The physical properties of agromaterials have been studied e. g. in the USA, where a big role has been played by ASAE (1907), and in the Soviet Union where the special Institute of Agrophysics was founded (1932) by Academician Ioffe. The ASAE's activity was enlarged in 1960s and 1970s, especially with the role playing by the Mohsenin's group and its followers. At that time the Institute of Agrophysics of Polish Academy of Sciences was founded in Lublin and conferences on physical methods in agriculture began to be organised. The participants of the last conference - "Physical Methods in Agriculture - Approach to Precision and Quality", held on August 27-30, 2001, have prepared the basis for this book. Part of the conference participants decided to enlarge their conference papers to be more general and more instructive in relation to further development of the science. New papers prepared under this deciSion were reviewed, discussed and revised, repeatedly, to be presented in this book.

Soil Sampling and Methods of Analysis, Second Edition

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Soil Sampling and Methods of Analysis, Second Edition

Soil Sampling and Methods of Analysis, Second Edition

  • Author: M.R. Carter,E.G. Gregorich
  • Publisher: CRC Press
  • ISBN: 9781420005271
  • Category: Technology & Engineering
  • Page: 1264
  • View: 8474
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Thoroughly updated and revised, this second edition of the bestselling Soil Sampling and Methods of Analysis presents several new chapters in the areas of biological and physical analysis and soil sampling. Reflecting the burgeoning interest in soil ecology, new contributions describe the growing number and assortment of new microbiological techniques, describe in-depth methods, and demonstrate new tools that characterize the dynamics and chemistry of soil organic matter and soil testing for plant nutrients. A completely new section devoted to soil water reviews up-to-date field- and laboratory-based methods for saturated and unsaturated soil hydraulic properties. Retaining the easy-to-follow, “cookbook” style of the original, this second edition provides a compilation of soil analytical techniques that are fast, straightforward, and relatively easy-to-use. Heavily referenced, peer-reviewed contributions from approximately 150 specialists make this a practical manual and resource handbook that describes a wide array of methods, both conventional and cutting-edge, for analyzing the chemical, biological, biochemical, and physical properties of many different soil types. Including several “primer” chapters that cover the overall principles and concepts behind the latest techniques, the book presents sufficient detail on the materials and procedures to characterize the potential and limitation of each method. It covers recent improvements in methodology, outlines current methods, and characterizes the best methods available for selecting the appropriate analysis technique. Promoting the research and practical application of findings in soil science, Soil Sampling and Methods of Analysis, Second Edition continues to be the most current, detailed, comprehensive tool for researchers and practitioners working with soil.

Bibliography of Agriculture

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Bibliography of Agriculture

Bibliography of Agriculture

  • Author: N.A
  • Publisher: N.A
  • ISBN: N.A
  • Category: Agriculture
  • Page: N.A
  • View: 3692
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Chemical Analysis of Food

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Chemical Analysis of Food

Chemical Analysis of Food

Techniques and Applications

  • Author: Yolanda Picó
  • Publisher: Academic Press
  • ISBN: 0123848628
  • Category: Science
  • Page: 798
  • View: 8240
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"The book contains twenty three chapters written by experts on the subject is structured in two parts: the first one describes the role of the latest developments in analytical and bioanalytical techniques, and the second one deals with the most innovative applications and issues in food analysis. The two first introductory chapters about sampling technique, from basic one to the most recent advances, which is still a food challenge because is responsible of the quality and assurance of the analysis, andon data analysis and chemometrics are followed by a review of the most recently applied techniques in process (on-line) control and in laboratories for the analysis of major or minor compounds of food. These techniques ranged from the non-invasive and non-destructive ones, such as infrared spectroscopy, magnetic resonance and ultrasounds, to emerging areas as nanotechnology, biosensors and electronic noses and tongues, including those already well-established in food analysis, such as chromatographic andelectrophoretic techniques. These chapters also include two important tools for solving problems in chemical and biological analysis such as mass spectrometry and molecular-based techniques"--

Standard Methods For Analysis Of Soil Plant And Water

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Standard Methods For Analysis Of Soil Plant And Water

Standard Methods For Analysis Of Soil Plant And Water

  • Author: Gupta, S.K.,Gupta, I.C.,Yaduvanshi, N.P.S.
  • Publisher: Scientific Publishers
  • ISBN: 9386347806
  • Category: TECHNOLOGY & ENGINEERING
  • Page: 224
  • View: 8483
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Land, water and plants are of crucial importance to the mankind. While per capita availability of land and water is decreasing due to burgeoning population, degradation is resulting in declining productivity per unit of these resources. This degradation is impacting the environment and the quality of the field crops consumed by the humans and the animals raising serious concerns on the health of the consumers. A concerted effort is being made to keep track of the health of these resources by Central Water Commission, Central Pollution Control Board and many state government agencies through limited monitoring networks. Soil/water health cards are being distributed to the farming community to keep track of the health of these resources. Many of these agencies feel handicapped not only in soil, water and plants analysis but also in interpreting the analytical results for practical use. It is especially true for the salt affected soils and waters, which require special attention and management to achieve potential productivity. The current book compiles and puts together the most important aspects of the existing knowledge on sampling procedures and physical, chemical and biological determinations needed to monitor the soil health and water quality. Besides procedures of general interest in agriculture, all analysis procedures needed for the reclamation and management of salt affected soils and/or poor quality waters have been included. Unlike other books of this nature, the current book includes sections where exhaustive interpretations of the analytical results and/or their applications have been given, in many cases with relevant examples. The readers, therefore, would be able to understand and proceed from the most preliminary step of taking soil/water samples to most advanced analytical techniques to diagnose the problems and to take appropriate measures to reverse the degradation processes. We believe that this book is an improvement over the existing books and is a useful addition to the literature on this subject. The information contained in this book would facilitate the access to and implementation of the knowledge by the scientists engaged in research in the basic streams and agricultural sciences. It would also prove to be a useful reference book to professional students and personals engaged in the NGOs and the state laboratories associated with soil, water and plant analysis work.

Chemical Methods in Gas Chromatography

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Chemical Methods in Gas Chromatography

Chemical Methods in Gas Chromatography

  • Author: V.G. Berezkin
  • Publisher: Elsevier
  • ISBN: 9780080858272
  • Category: Science
  • Page: 312
  • View: 5120
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Chemical Methods in Gas Chromatography

Methods on Physico Chemical Analysis of Fruits

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Methods on Physico Chemical Analysis of Fruits

Methods on Physico Chemical Analysis of Fruits

  • Author: Mazumdar
  • Publisher: Daya Books
  • ISBN: 9788170352884
  • Category: Fruit
  • Page: 187
  • View: 6506
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Analysis of human consumable fruits become necessary to the students and researchers of fruit science, horticulture, food technology, plant biochemistry, botany, applied botany, forestry, ayurved, pharmaceutics and some other disciplines. Necessity of such analysis is also felt in fruit preservation factories or training centres and to the agricultural marketing personnels in making grading of fruits. It needs pointing out in this context that to assess the quality and nutritive status or compositional features of a fruit, not only the chemical constituents but many physical components of it also become necessary to be determined. There are in fact, a number of books available which have presented the analytical procedure of plant materials and some of these have considered fruit analysis also as a part. These titles have though presented much details and put up several procedure for a component, methodology to assess physical components of fruits has hardly received adequate attention. Therefore, a practical manual on fruit analysis that would exclusively deal on procedural detail of both physical and chemical components of fruits cannot be set at defiance, especially as a number of characteristic features, specific to any species or variety of a fruit sometimes need to be critically considered in a fruit analytical procedure. Keeping the above facts in view, the present title has been attempted. Many of the physical methods of analysis have in fact, been devised by the principal author in his teaching and research career over three decades. The title has before entering into chemical analytical part discussed some fundamental aspects of such analysis and the procedure appeared to be much convenient in estimating a component chemically has been presented. Contents Preface, General Precautions to Work in the Laboratory & Field, Chapter 1 Collection of Fruit Samples; Selection of Fruits, Methods of Plucking, Sorting, Surface Cleaning, Bringing to Analytical Laboratory, Chapter 2: Making Representative Sample of Intact Fruits, Chapter 3: Determination of Constituents by Physical Methods; Weight, Volume, Specific Gravity, Overall Length, Maximum Width, Shape, Firmness, Peel Colour, Peel Smoothness, Peel Wax, Peel Thickness, Peel Oil-gland, Colour of Edible Parts, Pulp Firmness, Central Cavity, Edible Matter Content, Juice Content, Flavour, Seed Content, Acceptance to Consumers, Chapter 4: Making Representative Sample of Fruit Tissue for Chemical Analysis; Chapter 5: Preparatory Aspects for Chemical Analysis; Solution, Indicator, Buffer Solution, Drying of Analytical Sample, Ashing of Analytical Sample, Removal of Pigments, Chapter 6: Determination of Chemical Constituents; Carbohydrate, Reducing Sugar, Total Sugar, Non-reducing Sugar, Starch, Total Pectic Substances, Crude Fibre, Total Soluble Solids (with a refractometer), Total Titratable Acidity, Vitamin C, Total Free-Amino Acids, Separation and Detection of Free-Amino Acds (by thin layer chromatography), Protein, Lipid (Ether-extractive), Phenolic Compounds, Tannin, Nitrogen (Micro-Kjeldahl Method), Phosphorus, Potassium, Calcium, Iron, Chlorophyll, Total Anthocyanin, Ethylene Evolution, Carbon Dioxide Evolution, Chapter 7: Determination of Activity of Enzymes; Assay of Enzyme Activity, a-Amylase, b-Amylase, Pectin Methyl Esterase, Polygalacturonase, Cellulase, Invertase, b-Galactosidase, Protease, Lipase, Ascorbic Acid Oxidase, Polyphenol Oxidase, Peroxidase, Appendices: Appendix I: Botanical Names of Fruits Referred to in the Text, Appendix II: Conversion Factors, Appendix III: Proximate Principles of Some Fruits, Bibliography, Subject Index.