Encyclopedia - Acetic Acid: Encyclopedia - Acetic Acid
Acetic acid, also known as ethanoic acid, is an organic chemical compound best recognized for giving vinegar its sour taste and pungent s...   » Read the article

Encyclopedia - Molar Absorptivity: Encyclopedia - Molar Absorptivity
In analytical chemistry, the molar absorptivity or molar extinction coefficient ε of a chemical species at a given wavelength is a measu...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - History Of The Light Bulb
The invention of the light bulb is usually attributed in Britain to Joseph Wilson Swan and in the United States to Thomas Alva Edison (wh...   » Read the article

Encyclopedia - Quantum Optics: Encyclopedia Ii - Quantum Optics - History Of Quantum Optics
Light is made up of particles called photons and hence inherently is "grainy" (quantized); quantum optics is the study of the nature and ...   » Read the article

Encyclopedia - Infrared: Encyclopedia Ii - Infrared - Applications
Infrared - Night vision. Infrared is used in night-vision equipment, when there is insufficient visible light to see an object. The rad...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - History Of The Light Bulb
The invention of the light bulb is usually attributed in Britain to Joseph Wilson Swan and in the United States to Thomas Alva Edison (...   » Read the article

Encyclopedia - Fume Hood: Encyclopedia Ii - Fume Hood - Recirculating Fume Hoods
Mainly for educational use, or where the design of a building does not permit the fitting of external ductwork, these units generally hav...   » Read the article

Encyclopedia - Acetic Acid: Encyclopedia Ii - Acetic Acid - Production
Acetic acid is produced both synthetically and by bacterial fermentation. Today, the biological route accounts for only about 10% of worl...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Voltage Light Output And Lifetime
Incandescent lamps are very sensitive to changes in the supply voltage. These characteristics are of great practical and economic importa...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Heat
Most incandescent light bulbs waste about 98% of the power they consume in heat. An incandescent light bulb (about 2.1% efficiency) is ab...   » Read the article

Encyclopedia - Infrared: Encyclopedia Ii - Infrared - History
Infrared - Biological systems. The pit viper is known to have two infrared sensory pits on its head. There is controversy over the exac...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Standard Fittings
Most domestic and industrial light bulbs have standard fittings compatible with standard lampholders. The most common types of fitting ar...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Power
Incandescent light bulbs are usually marketed according to the electrical power consumed. This is measured in watts and depends mainly on...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Standard Fittings
Most domestic and industrial light bulbs have standard fittings compatible with standard lampholders. The most common types of fitting ar...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Comparison Of Electricity Cost
A kilowatt-hour is a unit of energy, and in the United States this is the unit in which electricity is purchased. The cost of electricity...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - The Halogen Lamp
The problem of short lamp life is addressed with the halogen lamp, also called the tungsten-halogen lamp, where a tungsten filament is se...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Efficacy And Efficiency
A light can waste power by emitting too much light outside of the visible spectrum. Only visible light is useful for illumination, and so...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Heat
Most incandescent light bulbs waste about 98% of the power they consume in heat. An incandescent light bulb (about 2.1% efficiency) is ab...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Efficacy And Efficiency
A light can waste power by emitting too much light outside of the visible spectrum. Only visible light is useful for illumination, and so...   » Read the article

Encyclopedia - Acetic Acid: Encyclopedia Ii - Acetic Acid - Biochemistry
The acetyl group, derived from acetic acid, is fundamental to the biochemistry of virtually all forms of life. When bound to coenzyme A i...   » Read the article

Encyclopedia - Acetic Acid: Encyclopedia Ii - Acetic Acid - Applications
Acetic acid is a chemical reagent for the production of many chemical compounds. The largest single use of acetic acid is in the producti...   » Read the article

Encyclopedia - Acetic Acid: Encyclopedia Ii - Acetic Acid - Chemical Properties
The hydrogen (H) atom in the carboxyl group (−COOH) in carboxylic acids such as acetic acid can be given off as an H+ ion (proton), giv...   » Read the article

Encyclopedia - Acetic Acid: Encyclopedia Ii - Acetic Acid - History
Vinegar is as old as civilization itself, perhaps older. Acetic acid-producing bacteria are present throughout the world, and any culture...   » Read the article

Encyclopedia - Acetic Acid: Encyclopedia Ii - Acetic Acid - Nomenclature
The trivial name acetic acid is the most commonly used and officially preferred name by the IUPAC. This name derives from acetum, the Lat...   » Read the article

Encyclopedia - Acetic Acid: Encyclopedia Ii - Acetic Acid - Safety
Concentrated acetic acid is corrosive and must therefore be handled with appropriate care, since it can cause skin burns, permanent eye d...   » Read the article

Encyclopedia - Fume Hood: Encyclopedia Ii - Fume Hood - Ducted Fume Hoods
Most fume hoods for industrial purposes are ducted. A large variety of ducted fume hoods exist. Air is removed from the workspace and dis...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Standard Fittings
Most domestic and industrial light bulbs have standard fittings compatible with standard lampholders. The most common types of fitting ar...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Power
Incandescent light bulbs are usually marketed according to the electrical power consumed. This is measured in watts and depends mainly on...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Comparison Of Electricity Cost
A kilowatt-hour is a unit of energy, and in the United States this is the unit in which electricity is purchased. The cost of electricity...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - The Halogen Lamp
The problem of short bulb life is addressed in the halogen lamp, also called the tungsten-halogen lamp, which is filled with a halogen ga...   » Read the article

Encyclopedia - Fume Hood: Encyclopedia Ii - Fume Hood - Use
To determine whether a chemical is likely to require a fume hood for safe usage, its MSDS should be consulted. If there is doubt, use a h...   » Read the article

Encyclopedia - Incandescent Light Bulb: Encyclopedia Ii - Incandescent Light Bulb - Voltage Light Output And Life
Incandescent lamps are very sensitive to changes in the supply voltage. These characteristics are of great practical and economic importa...   » Read the article