| D008738 |
Methyl Ethers |
A group of compounds that contain the general formula R-OCH3. |
Ethers, Methyl |
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| D008745 |
Methylation |
Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed) |
Methylations |
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| D009574 |
Nitro Compounds |
Compounds having the nitro group, -NO2, attached to carbon. When attached to nitrogen they are nitramines and attached to oxygen they are NITRATES. |
Nitrated Compounds |
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| D010573 |
Pesticide Residues |
Pesticides or their breakdown products remaining in the environment following their normal use or accidental contamination. |
Pesticide Residue,Residue, Pesticide,Residues, Pesticide |
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| D002849 |
Chromatography, Gas |
Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix. |
Chromatography, Gas-Liquid,Gas Chromatography,Chromatographies, Gas,Chromatographies, Gas-Liquid,Chromatography, Gas Liquid,Gas Chromatographies,Gas-Liquid Chromatographies,Gas-Liquid Chromatography |
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| D003313 |
Zea mays |
A plant species of the family POACEAE. It is a tall grass grown for its EDIBLE GRAIN, corn, used as food and animal FODDER. |
Corn,Indian Corn,Maize,Teosinte,Zea,Corn, Indian |
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| D005021 |
Ethylamines |
Derivatives of ethylamine (the structural formula CH3CH2NH2). |
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| D005464 |
Fluorobenzenes |
Derivatives of BENZENE that contain FLUORINE. |
Fluorobenzene |
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| D006540 |
Herbicides |
Pesticides used to destroy unwanted vegetation, especially various types of weeds, grasses (POACEAE), and woody plants. Some plants develop HERBICIDE RESISTANCE. |
Algaecide,Algicide,Herbicide,Algaecides,Algicides |
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| D006868 |
Hydrolysis |
The process of cleaving a chemical compound by the addition of a molecule of water. |
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