Ullmann's Encyclopedia of Industrial Chemistry
Copyright © 1999-2013 by John Wiley and Sons, Inc. All Rights Reserved.

Online ISBN: 9783527306732
DOI: 10.1002/14356007
What's New
As of January 2013, the following articles were updated or added:
- Alcohols, Aliphatic
- Aldehydes, Aliphatic
- Aldehydes, Araliphatic
- Butanals
- Butanols
- Carcinogenic Agents
- Electron Paramagnetic Resonance Spectroscopy
- 2-Ethylhexanol
- Fine Chemicals
- Hormones, 2. Peptides and Proteins: Hypothalamic–Pituitary and Calcitropic Hormones
- Liquid Crystals
- Oxo Synthesis
- Polyamides
- Polymethacrylates
- Process Systems Engineering, 4. Process and Product Synthesis, Design, Analysis
- Process Systems Engineering, 8. Plant Operation, Integration, Planning, Scheduling and Supply Chain
- Soldering and Brazing
- Thin-Film Reactors
- Visualization Techniques in Process Engineering
As of October 2012, the following articles were updated or added:
- Antiulcer Drugs
- Cheese, Processed Cheese, and Whey
- Chloroacetic Acids
- Fibers, 12. Glass Fibers
- Fluid Mechanics
- Foundry Technology
- Methanol
- Micro Process Technology, 1. Introduction
- Micro Process Technology, 2. Processing
- Plant and Process Safety, 1. Introduction
- Plant and Process Safety, 2. Hazardous Materials and Process Conditions
- Plant and Process Safety, 3. Occupational Hazards and Personnel Protection
- Plant and Process Safety, 4. Chemical Process Safety Regulation
- Plant and Process Safety, 5. Engineered Safety Measures
- Plant and Process Safety, 6. Risk Analysis
- Plant and Process Safety, 7. Risk Calculations
- Plant and Process Safety, 8. Management of Safety in the Chemical and Petrochemical Industry
- Plant and Process Safety, 9. Risk Communication
- Plutonium and Other Transuranium Elements
- Poly(Vinylidene Chloride)
- Polymers, High- Temperature
- Process Systems Engineering, 1. Introduction
- Process Systems Engineering, 2. Modeling and Simulation
- Process Systems Engineering, 3. Mathematical Programming (Optimization)
- Process Systems Engineering, 5. Process Dynamics, Control, Monitoring, and Identification
- Process Systems Engineering, 6. Cyberinfrastructure and Decision Support Systems
- Process Systems Engineering, 7. Abnormal Events Management and Process Safety
- Process Systems Engineering, 9. Domain Engineering
- Propylene Oxide
- Radiation Chemistry
- Yeasts
As of July 2012, the following articles were updated or added:
- Acrylonitrile
- Capillary and Microchip Electrophoresis
- Catalytic Fixed-Bed Reactors
- Chiral Compounds
- Coal Liquefaction
- Hard Materials
- Metallic Foams
- Metallic Glasses
- Mutagenic Agents
- Solar Technology
- Surgical Materials
- Thermoelectricity
As of April 2012, the following articles were updated or added:
- Antipsychotics
- Bioseparation
- Cast Iron and Cast Steel
- Laboratory Information and Management Systems (LIMS)
- Luminescent Materials
- Photochemistry
- Polymers, High-Temperature
- Polyoxymethylenes
- Thin Layer Chromatography
- Zeolites
As of January 2012, the following articles were updated or added:
- Basic Principles of Chromatography
- Fibers, 9. Polyvinyl Fibers
- Fibers, 10. Polytetrafluoroethylene Fibers
- Fibers, 11. Inorganic Fibers, Survey
- Fibers, 12. Glass Fibers
- Fibers, 13. Ceramic Fibers
- Fibers, 14. Metal Fibers
- Fibers, 15. Carbon Fibers
- Fibers, 16. Testing and Analysis
- Hexamethylenediamine
- Methylamines
- Paper and Board, 1. General
- Paper and Board, 2. Raw Materials for Paper and Board Manufacture
- Paper and Board, 3. Chemical Additives
- Paper and Board, 4. Stock Preparation
- Paper and Board, 5. Water Circuits
- Paper and Board, 6. Manufacturing
- Paper and Board, 7. Coating of Paper and Board
- Paper and Board, 8. Finishing
- Paper and Board, 9. Control Systems for Paper Machines
- Paper and Board, 10. Environmental Aspects
- Paper and Board, 11. Grades and Their Properties
- Paper and Board, 12. Testing
- Paper and Board, 13. Book and Paper Preservation
- Sugar Alcohols
As of October 2011, the following articles were updated or added:
- Acetic Acid
- Acetone
- Acetylene
- Acrylic Acid and Derivatives
- Acrylonitrile
- Air, 1. Emissions and Atmosphere
- Air, 2. Effects of Air Pollutants
- Air, 3. Laws and Technical Regulations
- Air, 4. Pollution Monitoring
- Air, 5. Emission Measurements
- Air, 6. Photochemical Degradation
- Air, 7. Waste Gases, Separation and Purification
- Ammonia, 1. Introduction
- Ammonia, 2. Production Processes
- Ammonia, 3. Production Plants
- Analgesics and Antipyretics, 1. Introduction
- Analgesics and Antipyretics, 2. Nonsteroidal Anti-inflammatory Drugs
- Analgesics, Centrally Acting
- Aniline
- Antibiotics, 1. General
- Antibiotics, 2. Production
- Antineoplastic Agents, 1. Nonhormonal
- Antineoplastic Agents, 2. Hormonally Acting
- Anxiolytics
- Atomic Spectroscopy, 1. General
- Atomic Spectroscopy, 2. Absorption Spectrometry
- Atomic Spectroscopy, 3. Emission Spectrometry
- Atomic Spectroscopy, 4. Mass Spectrometry
- Atomic Spectroscopy, 5. Fluorescence Spectrometry
- Atomic Spectroscopy, 6. Laser-Enhanced Ionization Spectrometry
- Aviation Turbine Fuels
- Azo Dyes, 1. General
- Azo Dyes, 2. Anionic Dyes
- Azo Dyes, 3. Direct (Substantive) Dyes
- Azo Dyes, 4. Cationic Dyes
- Azo Dyes, 5. Developing Dyes
- Azo Dyes, 6. Miscellaneous Dyes and Pigments
- Benzaldehyde
- Benzyl Chloride and Other Side-Chain Chlorinated Aromatic Hydrocarbons
- Butadiene
- Butenes
- Caprolactam
- Ceramics, Advanced Structural Products
- Ceramics, Bioceramics
- Ceramics, Electronic
- Chlorethanes and Chloroethylenes
- Chlorinated Paraffins
- Chlorinated Benzenes and Other Nucleus-Chlorinated Aromatic Hydrocarbons
- Chlorine
- Chloromethanes
- Chloroacetic Acids
- Chlorophenols
- Chlorpropanes, Chlorobutanes, and Chlorobutenes
- Citric Acid
- Construction Ceramics
- Contraception
- Corrosion, 1. Electrochemical
- Corrosion, 2. High-Temperature
- Corrosion, 3. Corrosion Protection and Testing
- Cyano Compounds, Inorganic
- Cyclohexane
- Cyclohexanol and Cyclohexanone
- Ecology and Ecotoxicology, Fundamentals
- Ecology and Environmental Chemistry
- Ecotoxicology
- Electrochemistry, 1. Fundamentals
- Electrochemistry, 2. Inorganic Electrochemical Processes
- Electrochemistry, 3. Organic Electrochemistry
- Ethanol
- Ethylenediaminetetraacetic Acid and Related Chelating Agents
- 2-Ethylhexanol
- Fibers, 1. Survey
- Fibers, 2. Structure
- Fibers, 4. Polyamide Fibers
- Fibers, 5. Polyester Fibers
- Fibers, 6. Polyurethane Fibers
- Fibers, 7. Polyolefin Fibers
- Fibers, 8. Polyacrylonitrile Fibers
- Fluorosulfuric Acid
- Formamides
- Formic Acid
- Fungicides, Agricultural, 1. Fundamentals
- Fungicides, Agricultural, 2. Individual Fungicides
- Fungicides, Agricultural, 3. Toxicology
- Gas Production, 1. Introduction
- Gas Production, 2. Processes
- Gas Production, 3. Gas Treating
- Gas Production, 4. Handling of Byproducts
- Gas Production, 5. Examples of Complex Gas Production Plants
- Gas Production, 6. Analysis and Quality Control
- Glass, 1. Fundamentals
- Glass, 2. Production
- Glass, 3. Forming
- Glass, 4. Uses and Economic Aspects
- Glyoxal
- Heterogeneous Catalysis and Solid Catalysts, 1. Fundamentals
- Heterogeneous Catalysis and Solid Catalysts, 2. Development and Types of Solid Catalysts
- Heterogeneous Catalysis and Solid Catalysts, 3. Industrial Applications
- Hormones, 1. Hormone Systems
- Hydrogen, 1. Properties and Occurence
- Hydrogen, 2. Production
- Hydrogen, 3. Purification
- Hydrogen, 4. Liquefaction
- Hydrogen, 5. Handling
- Hydrogen, 6. Uses
- Imaging Technology, 1. Introduction
- Imaging Technology, 2. Copying and Nonimpact Printing Processes
- Imaging Technology, 3. Imaging in Graphic Arts
- Imaging Technology, 4. Imaging for Electronics
- Imaging Technology, 5. Photochemical Machining
- Information Storage Materials, 1. Magnetic Recording
- Information Storage Materials, 2. Optical Recording
- Iron, 1. Fundamentals and Principles of Reduction Processes
- Iron, 2. Blast Furnace Process
- Iron, 3. Direct Reduction Processes
- Iron, 4. Smelting Reduction Processes
- Iron, 6. Aspects of Environmental Protection
- Iron, 7. Economic Aspects
- Laundry Detergents, 1. Introduction
- Laundry Detergents, 2. Ingredients and Products
- Laundry Detergents, 3. Production, Testing and Economic Aspects
- Laundry Detergents, 4. Ecology and Toxicology
- Laundry Detergents, 5. Washing Conditions and Washing Machines
- Liquid Chromatography, 1. Fundamentals, History, Instrumentation, Materials
- Liquid Chromatography, 2. Methods, Programmed and Coupling Techniques
- Liquid Chromatography, 3. Supercritical Fluid Chromatography
- Liquid Chromatography, 4. Affinity Chromatography
- Lubricants, 1. Fundamentals of Lubricants and Lubrication
- Lubricants, 2. Components
- Lubricants, 3. Environmental Aspects
- Lubricants, 4. Lubricants for Internal Combustion Engines
- Lubricants, 5. Gear Lubrication Oils
- Lubricants, 6. Compressor and Turbine Oils
- Lubricants, 7. Metalworking Fluids and Forming Lubricants
- Lubricants, 8. Lubricating Greases
- Lubricants, 9. Solid Lubricants
- Lubricants, 10. Disposal, Recycling, and Safety Aspects
- Magnesium Compounds
- Membrane Separation Processes, 1. Principles
- Membrane Separation Processes, 2. Design and Operation
- Membrane Separation Processes, 3. Membrane Preparation and Membrane Module Constructions
- Membrane Separation Processes, 4. Concentration Polarization and Membrane Fouling
- Methacrylic Acid and Derivatives
- Methanol
- Methylamines
- Nitrilotriacetic Acid
- Nitro Compounds, Aliphatic
- Nondestructive Testing, 1. General
- Nondestructive Testing, 2. Radiography
- Nondestructive Testing, 3. Ultrasonics
- Nondestructive Testing, 4. Thermography
- Nondestructive Testing, 5. Magnetic and Electromagnetic Engineering
- Nondestructive Testing, 6. Nondestructive Testing in Civil Engineering
- Nondestructive Testing, 7. Other Methods
- Nuclear Technology, 1. Fundamentals
- Nuclear Technology, 2. Power Reactors, Survey
- Nuclear Technology, 3. Fuel Cycle
- Nuclear Technology, 4. Nuclear Fusion
- Oxalic Acid
- Paper and Board
- Pentanols
- Plastics Processing, 1. Processing of Thermoplastics
- Plastics, Processing, 2. Processing of Thermosets
- Plastics Processing, 3. Machining, Bonding, Surface Treatment
- Polymerization Processes, 1. Fundamentals
- Polymerization Processes, 2. Modeling of Processes and Reactors
- Polymers, High-Temperature
- Polybutenes
- Polyethylene
- Poly(4-Methyl-1-Pentene)
- Polypropylene
- Process Development, 1. Fundamentals and Standard Course
- Process Development, 2. Evaluation
- Propanal
- Propanols
- Propene
- Propionic Acid and Derivatives
- Propylene Oxide
- 2-Pyrrolidone
- Pulp
- Radionuclides, 1. Introduction
- Radionuclides, 2. Radioactive Elements and Artificial Radionuclides
- Radionuclides, 3. Detection of Ionizing Radiation and Radionuclides
- Radionuclides, 4. Uses
- Radionuclides, 5. Synthesis of Radiolabeled Compounds
- Resins, Synthetic
- Resorcinol
- Rubber, 4. Emulsion Rubbers
- Rubber, 5. Solution Rubbers
- Rubber, 6. Synthesis by Radical and Other Mechanisms
- Rubber, 7. Synthesis by Polyaddition, Polycondensation, and Other Mechanisms
- Rubber, 8. Synthesis by Polymer Modification
- Seasonings
- Soil, 1. Definition, Function, and Utilization of Soil
- Soil, 2. Damage and Soil Pollution
- Soil, 3. Measurement and Evaluation of Soil Pollution
- Soil, 4. Remediation of Soil and Land
- Soil, 5. Legal Aspects and Soil Protection
- Sorbic Acid
- Steel, 1. Introduction and History
- Steel, 2. Crude Steel Production
- Steel, 3. Forming
- Steel, 4. Surface Coating
- Steel, 5. Microstructures, Properties, and Adjustment of Properties
- Steel, 6. Uses
- Steel, 7. Environmental Protection
- Steel, 8. Economic Aspects
- Styrene
- Surface and Thin Film Analysis, 1. Introduction
- Surface and Thin-Film Analysis, 2. Electron Detection
- Surface and Thin-Film Analysis, 3. Ion Detection
- Surface and Thin-Film Analysis, 4 Photon Detection
- Surface and Thin-Film Analysis, 5. Scanning Probe Microscopy
- Tar and Pitch
- Tellurium and Tellurium Compounds
- Terephthalic Acid, Dimethyl Terephthalate, and Isophthalic Acid
- Tetrahydrofuran
- Textile Auxiliaries, 1. Introduction
- Textile Auxiliaries, 2. Auxiliaries for Fiber Production and Processing
- Textile Auxiliaries, 3. Sizing Agents
- Textile Auxiliaries, 4. Pretreatment Auxiliaries
- Textile Auxiliaries, 5. Deying Auxiliaries
- Textile Auxiliaries, 6. Printing Auxiliaries
- Textile Auxiliaries, 7. Finishing Agents
- Textile Auxiliaries, 8. Auxiliaries for Technical Textiles
- Tansport Phenomena, 1. Foundations
- Transport Phenomena, 2. Transport in Compositionally Uniform Systems
- Transport Phenomena, 3. Transport in Multicomponent Systems
- Transport Phenomena, 4. Macroscopic Systems
- Thiourea and Thiourea Derivatives
- Toluene
- Toxicology, 1. Fundamentals
- Toxicology, 2. Assessment Methods
- Toxicology, 3. Evaluation of Toxic Effects
- Vinyl Ethers
- Vitamins, 1. Introduction
- Vitamins, 2. Vitamin A (Retinoids)
- Vitamins, 3. Vitamin D
- Vitamins, 4. Vitamin E (Tocopherols, Tocotrienols)
- Vitamins, 5. Vitamin K
- Vitamins, 6. B Vitamins
- Vitamins, 7. Vitamin C (L-Ascorbic Acid)
- Vitamins, 8. Pantothenic Acid
- Vitamins, 9. Biotin
- Vitamins, 10. Folic Acid
- Vitamins, 11. Niacin (Nicotinic Acid, Nicotinamide)
- Water, 1. Properties, Analysis and Hydrological Cycle
- Water, 2. Treatment by Adsorption Processes
- Water, 3. Treatment by Ion Exchange Processes
- Water, 4. Treatment by Flocculation and Filtration
- Water, 5. Treatment by Membrane Separation Processes
- Water, 6. Treatment by Oxidation Processes
- Waste, 1. Introduction and Legal Aspects
- Waste, 2. Life-Cycle Assessment
- Waste, 3. Waste Management in the Chemical Industry
- Waste, 4. Prevention
- Waste, 5. Recycling
- Waste, 6. Treatment
- Waste, 7. Deposition
- Wastewater, 1. Introduction
- Wastewater, 2. Aerobic Biological Treatment
- Wastewater, 3. Anaerobic Biological Treatment
- Wastewater, 4. Chemical Treatment
- Wastewater, 5. Physical Treatment
- Wastewater, 6. Incineration
- Weed Control, 2. Individual Herbicides
As of July 2011, the following NEW articles were added:
- Process Intensification, 1. Fundamentals and Molecular Level
- Process Intensification, 2. Phase Level
- Process Intensification, 3. Process Unit Level
- Process Intensification, 4. Plant Level
the following articles have been updated and/or revised:
As of May 2011, the following NEW articles were added:
- Transport Phenomena, 3. Transport in Multicomponent Systems
- Transport Phenomena, 4. Macroscopic Systems
the following articles have been updated and/or revised:
- Rubber, 3. Synthetic Rubbers, Introduction and Overview
- Rubber, 4. Emulsion Rubbers
- Rubber, 5. Solution Rubbers
- Rubber, 6. Synthesis by Radical and Other Mechanisms
- Rubber, 7. Synthesis by Polyaddition, Polycondensation, and Other Mechanisms
- Rubber, 8. Synthesis by Polymer Modification
- Rubber, 9. Chemicals and Additives
- Rubber, 10. Technology
- Rubber, 11. Testing
- Sugar Alcohols
As of February 2011, the following NEW articles were added:
- Nondestructive Testing, 2. Radiography
- Nondestructive Testing, 3. Ultrasonics
- Nondestructive Testing, 4. Thermography
- Nondestructive Testing, 5. Magnetic and Electromagnetic Engineering
- Nondestructive Testing, 6. Nondestructive Testing in Civil Engineering
- Nondestructive Testing, 7. Other Methods
the following articles have been updated and/or revised:
- Niobium and Niobium Compounds
- Nondestructive Testing, 1. General
- Oil Sands
- Paints and Coatings, 3. Paint Systems
- Phenolic Resins
- Starch
- Tantalum and Tantalum Compounds
As of January 2011, the following NEW articles were added:
the following articles have been updated and/or revised:
As of October 2010, the following NEW articles were added:
the following articles have been updated and/or revised:
As of September 2010, the following NEW articles were added:
- Antineoplastic Agents, 1. Nonhormonal
- Antineoplastic Agents, 2. Hormonally Acting
- Catalysis, Homogeneous
- Transport Phenomena, 2. Transport in Compositionally Uniform Systems
- Weed Control, 2. Individual Herbicides
the following articles have been updated and/or revised:
- Continuous Mixing of Fluids
- Drying of Solid Materials
- Elutriation
- Energy Management in Chemical Industry
- Handling of Particulate Solids
- Lamps
- Sensor Based Sorting
- X-Ray Fluorescence Spectrometry
As of July 2010, the following articles have been updated and/or revised:
As of April 2010, the following articles have been updated and/or revised:
- Carbohydrates as Organic Raw Materials
- Carbohydrates: Occurrence, Structures and Chemistry
- Cesium and Cesium Compounds
- Characterization of a Classification or Separation Process
- Chlorine Oxides and Chlorine Oxygen Acids
- Coal
- Dicarboxylic Acids, Aliphatic
- Ethers, Aliphatic
- Fuel Cells
- Hafnium and Hafnium Compounds
- Metallic Soaps
- Methyl Tert-Butyl Ether
- Microencapsulation
- Monoclonal Antibodies
- Organometallic Compounds
- Peptide Synthesis
- Rheometry
- Rubidium and Rubidium Compounds
- Solids Process Technology
- Transport Phenomena, 1. Foundations
- X-Ray Contrast Media
- Zirconium and Zirconium Compounds
and the following topics have been enhanced:
- Distillation, 1. Fundamentals
- Distillation, 2. Equipment
- Distillation, 3. Processes
- Paints and Coatings, 1. Introduction
- Paints and Coatings, 2. Types
- Paints and Coatings, 3. Paint Systems
- Paints and Coatings, 4. Pigments, Extenders, and Additives
- Paints and Coatings, 5. Paint Removal
- Paints and Coatings, 6. Production Technology
- Paints and Coatings, 7. Paint Application
- Paints and Coatings, 8. Properties, Testing, and Analysis
- Paints and Coatings, 9. Application
As of January 2010, the following NEW article was added:
the following articles have been updated and/or revised:
- Acetone
- Antiasthmatic Agents
- Bubble Columns
- Butanols
- Fungicides, Agricultural
- Membrane Reactors
- Sodium Chloride
- Spraying and Atomizing of Liquids
and the following topics have been enhanced:
- Adhesives, 1. General
- Adhesives, 2. Applications
- Carbon, 1. General
- Carbon, 2. Diamond
- Carbon, 3. Graphite
- Carbon, 4. Industrial Carbons
- Carbon, 5. Activated Carbon
- Carbon, 6. Carbon Black
- Carbon, 7. Fullerenes and Carbon Nanomaterials
- Loop Reactors
- Stirred Tank Reactors
As of October 2009, the following NEW article was added:
the following articles have been updated and/or revised:
- Asphalt and Bitumen
- Cyclododecanol, Cyclododecanone, and Laurolactam
- Cyclododecatriene, Cyclooctadiene, and 4-Vinylcyclohexene
- Filtration, 1. Fundamentals
- Filtration, 2. Equipment
- Heat Storage Media
- Hydrogenation and Dehydrogenation
- Nanotechnology
- Octane Enhancers
- Pigments, Inorganic, 1. General
- Pigments, Inorganic, 2. White Pigments
- Pigments, Inorganic, 3. Colored Pigments
- Pigments, Inorganic, 4. Magnetic Pigments
- Pigments, Inorganic, 5. Anticorrosive Pigments
- Pigments, Inorganic, 6. Luster Pigments
- Pigments, Inorganic, 7. Transparent Pigments
- Pinch Technology
As of July 2009, the following NEW article was added:
the following articles have been updated and/or revised:
- Acaricides
- Air Classifying
- Aluminum
- Anthelmintics
- Automobile Exhaust Control
- Coal
- Electrochemistry
- Inorganic Polymers
and the following topics have been enhanced:
- Biocatalysis, 1. General
- Biocatalysis, 2. Immobilized Biocatalysts
- Biocatalysis, 3. Nonimmobilized Biocatalysts in Industrial Fine Chemical Synthesis
- Biotechnology, 1. General
- Biotechnology, 2. Metabolic Engineering
- Biotechnology, 3. Cultivation of Microorganisms
- Biotechnology, 4. Downstream Processing
- Biotechnology, 5. Monitoring and Modeling of Bioprocesses
- Biotechnology, 6. Special Applications
- Fertilizers, 1. General
- Fertilizers, 2. Types
- Fertilizers, 3. Synthetic Soil Conditioners
- Fertilizers, 4. Granulation
- Fertilizers, 5. Analysis, Transport, Application
- Fertilizers, 6. Environmental Aspects
As of April 2009, the following articles have been updated and/or revised:
- Beer
- 2-Butanone
- Design of Experiments
- Disinfectants
- Ethylene
- Explosives
- Heterogeneous Catalysis and Solid Catalysts
- Indicator Reagents
As of January 2009, the following NEW articles were added:
and the following articles have been updated and/or revised:
As of October 2008, the following articles have been updated and/or revised:
- Arsenic and Arsenic Compounds
- Enzymes, 1. General
- Enzymes, 2. Discovery and Production
- Enzymes, 3. Food Application
- Enzymes, 4. Non-food Application
- Enzymes, 5. Enzymes in Organic Synthesis
- Enzymes, 6. Enzymes in Therapy
- Enzymes, 7. Enzymes in Analysis
- Enzymes, 8. Enzymes in Genetic Engineering
- Molluskicides
- Ultraviolet and Visible Spectroscopy
- Water, Ultrapure
and the following topics have been reorganized:
- Absorption, 1. Fundamentals
- Absorption, 2. Design of Systems and Equipment
- Acetylene
- Aldehydes, Aliphatic
- Aldehydes, Araliphatic
- Cast Iron and Cast Steel
- Steel
- Propyne
As of July 2008, the following articles have been updated and/or revised:
- Alcohols, Polyhydric
- Analytical Voltammetry and Polarography
- Antibiotics
- Chromatographic Reactors
- Iron
- Nematicides
- Parkinsonism Treatment
- Quasicrystals
- Scale-Up in Chemical Engineering
As of April 2008, the following articles have been updated and/or revised:
- Antiepileptics
- Azine Dyes
- Cationic Dyes
- Dextran
- Display Technology
- Fibers, 5. Synthetic Inorganic
- Ion Exchangers
- Methine Dyes and Pigments
- Silica
- Silicon Carbide
- Starch
- Steel
- Thermal Analysis and Calorimetry
As of January 2008 , the following NEW articles were added:
and the following articles have been updated and/or revised:
- Air
- Cardiovascular Drugs
- Cement
- Dust Separation
- Electrochemistry
- Estimation of Physical Properties
- Fire Extinguishing Agents
- Liquid–Liquid Extraction
- Phosphoric Acid and Phosphates
- Reactive Distillation
- Silver, Silver Compounds, and Silver Alloys
- Trace Analysis
- Waste
As of July 2007, the following NEW articles were added:
and the following articles have been updated and/or revised:
- Analgesics and Antipyretics
- Barium and Barium Compounds
- Bread and Other Baked Products
- Carbonylation
- Chloroacetaldehydes
- Hydrocyclones
- Laundry Detergents
- Lignin
- Milk and Dairy Products
- Peroxo Compounds, Inorganic
- Phthalic Acid and Derivatives
- Polystyrene and Styrene Copolymers
- Prostaglandins
- Starch
As of April 2007 , the following NEW articles were added:
and the following articles have been updated and/or revised:
- Acetylene
- Acrolein and Methacrolein
- Aluminum Compounds, Inorganic
- Amino Acids
- Automotive Fuels
- Coffee
- Crown Ethers
- Crystal Growth
- Epothilones
- Ethylene
- Fluidized-Bed Reactors
- Furfural and Derivatives
- Hydrogen Peroxide
- Malonic Acid and Derivatives
- Pharmaceuticals, General Survey
- Silica
- Sugar
- Uranium, Uranium Alloys, and Uranium Compounds
- Wood, Preservation
As of January 2007, the following NEW articles were added:
and the following articles have been updated and/or revised:
- Biotechnology
- Centrifuges, Filtering
- Colloids
- HIV and AIDS Therapeutics
- Lamps
- Lime and Limestone
- Nuclear Technology
- Oil Refining
- Thermal Analysis and Calorimetry
As of December 2006 , the following articles have been updated and/or revised:
- Acetyldehyde
- Aerogels
- Air
- Ammonia
- Artists' colors
- Aziridines
- Bleaching
- Blood
- Boron Carbide, Boron Nitride, and Metal Borides
- Clays
- Fatty Acids
- Fatty Alcohols
- Fertilizers
- Fiber Optics
- Gas Production
- Glucose and Glucose-Containing Syrups
- Liquid-Solid Extraction
- Mathematics in Chemical Engineering
- Mercury, Mercury Alloys and Mercury Compounds
- On-Line Monitoring
- Oral Antidiabetic Drugs
- Paints and Coatings
- Petroleum Coke
- Phosphoric Acid and Phosphates
- Photoelectricity
- Phosphoric Compounds, Organic
- Pigments, Inorganic
- Polymerase Chain Reaction
- Potassium and Potassium Alloys
- Sample Preparation for Trace Analysis
- Soil
- Sonochemistry
- Sulfur
As of September 2006, the following NEW articles were added:
- Chemical Plants: Performance Measurement of Processes
- Epothilones
- Microreactors – Modeling and Simulation
and the following articles have been updated and/or revised:
- Antimony and Antimony Compounds
- Benzylamine
- Centrifuges, Sedimenting
- Chlorinated Hydrocarbons
- Chocolate
- Custom Synthesis and Custom Chemicals
- Cyanamides
- Cyanates, Inorganic Salts
- Design of Experiments
- Enzyme and Immunoassays
- Guanidine and Derivatives
- Hair Preparations
- Heating Oil
- Intermetallics
- Melamine and Guanamines
- Metallocenes
- Molecular Modeling
- Natural Gas
- Pigging Technology
- Printing Inks
- Sampling
- Sodium Hydroxide
- Thiophene
As of April 2006, the following articles have been updated and/or revised:
- Anthracene
- Antiallergic Agents
- Benzoquinone
- Calcium and Calcium Alloys
- Carbazole
- Cellulose Ethers
- Cereals
- Chloroformic Esters
- Dental Materials
- Dermatotherapeutic Agents
- Fibers, 2. Structure
- Glycerol
- Iron
- Matches
- Metals, Surface Treatment
- Chemometrics
- Spray Forming of Metals
- Meat and Meat Products
As of January 2006, the following NEW article was added:
and the following articles have been updated and/or revised:
As of October 2005, the following NEW articles were added:
and the following articles have been updated and/or revised:
- Beryllium and Beryllium Compounds
- Cobalt and Cobalt Compounds
- Epoxy Resins
- Ethylbenzene
- Nickel Compounds
As of July 2005 , the following NEW article was added:
and the following articles have been updated and/or revised:
As of April 2005, the following articles have been updated and/or revised:
As of January 2005, the following NEW article was added:
and the following articles have been updated and/or revised:
Recently, the following NEW articles were added:

