Compounds that contain only carbon and hydrogen.
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What's In Your Beverage? How to Ensure Quality Control with CO2 Analytical Support
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Varieties of garnet minerals
The most famous type of garnet stone is pyrope (flaming). This is the "oldest of garnets", with a dense red color, similar to the grain of an edible garnet. Pyrope has a variety called rhodolite - a stone of dense pink or pink-purple color, which sometimes has the alexandrite effect and is used in...
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Features of the Scanning Tunneling Microscope
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Canal Ray
Stream of positively charged particles (cations) that moves toward the negative electrode in cathode ray tubes, observed to pass through canals in the negative electrode.
Buffer Solution
Solution that resists change in pH, contains either a weak acid and a soluble ionic salt of the acid or a weak base and a soluble ionic salt of the base.
Chain Reaction
A reaction that, once initiated, sustains itself and expands. This is a reaction in which reactive species, such as radicals, are produced in more than one step. These reactive species, radicals, propagate the chain reaction.
Hydrolysis
The reaction of a substance with water or its ions.
Dumas Method
A method used to determine the molecular weights of volatile liquids.
Ionization Isomers
Isomers that result from the interchange of ions inside and outside the coordination sphere.
Charle's Law
At constant pressure the volume occupied by a definite mass of gas is directly proportional to its absolute temperature.
Mass Spectrometer
An instrument that measures the charge-to-mass ratio of charged particles.
Chemical Resources
| Chemindustry.com - Includes chemicals, chemical companies, engineering, and process equipment. Search tool for products, services, and information. |
| Chemicals HeadQuarters - Directory of industrial chemicals and chemical products including induced and forced air coolers, halogenated compounds, distilling equipment, and foundry resins. |
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| Chemcompass - The database for the chemical industry. Search in over 20,000 products, 2,000 companies, brands, EINECS or CAS-numbers, and detailled company information. |
| Chemical Week - Daily news and product updates for professionals in the chemical industry. |
| American Chemistry Council News and Media - Provides chemistry business and industry news, updated issue briefs, fact sheets, press releases, media contacts and other resources. |
| About Chemistry - News articles, periodic tables, educational resources, newsletters, and annotated links. |
| General Chemistry Online - Rich resource for students and teachers of introductory chemistry. Includes interactive course guides and tutorials, an exam survival guide, reference tables, self-grading quizzes and exams, a searchable glossary, a question and answer board, answers to over 300 frequently asked questions, and a chemical trivia quiz. |
| Chem4Kids - Learn about chemistry including matter, atoms, and reactions. Includes online quizzes. |
| Chemistry & Environmental Dictionary - Contains definitions for many chemistry, environmental and other related technical terms and acronyms. |
| EDF Chemical Scoreboard - Toxic Release Inventory data for the US. Sources and amounts of toxic chemicals released to air and water. Also has information on health effects and other topics. |
| Chemistry Articles - Collection of chemistry and chemical related articles. |
Vapor Pressure
The particle pressure of a vapor at the surface of its parent liquid.
