COOH

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Related to carboxylic acid: carboxylic acid derivatives
AcronymDefinition
COOHCarboxylic Acid (functional group)
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References in periodicals archive ?
The peak at1269.16 cm-1 is for alcohol stretching, 1317.38 cm-1, 1556.55 cm-1 is for aliphatic and amino group, 2559.54 for carboxylic acid and 2717.70 cm-1 is for aldehyde stretching.
Humic acids (HA) isolated from coals using an alkaline solution, are very complexed organic macromolecules with acid functional groups, primarily carboxylic acids and phenols as well as carbonyls, amines, aromatic and aliphatic carbons.
The objective of this study was to understand the effects of the amount and carboxylic acid distribution on the wet scrub resistance of highly pigmented paints for architectural coatings.
During processing at elevated temperatures, hydrolytic (4-8), thermal (9) and oxidative (10) degradations can occur with formation of new carboxylic acid end groups, which can modify crystalline properties.
In addition to Oxea's existing production sites, Oman and China will also be considered as a potential location for a Carboxylic Acid unit."
These results demonstrated that the HCV PR activity of indole carboxylic acid (1) was decreased through esterfication in compound 2.
The reactive groups can be (meth)acrylic groups, carboxylic acid groups, hydroxyl groups, or alkoxy groups near the ends of the polymer chain.
Histidine is an aminoacid that has carboxylic acid, amine and azole groups.Ee The use of nanotube modified with histidine creates appropriate interaction between aminic acid azole group and proton ions, and improves the performance of fuel cells, specially at high temperatures.
The binder layer comprises by weight: 5-30% of a copolymer based on ethylene and one or more comonomers chosen from the group consisting of carboxylic acid esters, vinyl esters and dienes; 40-93% of a stretchable polypropylene, stretchability being defined as the ability of a rod extruded at a temperature of between 190[degrees] C.
For the carboxylic acid containing polymers tested, inhibition of calcium precipitation required concentrations similar to that used with sequestrants, in contrast to the high efficiencies demonstrated by these same polymers at lower temperatures.
They layer each film with chemical groups, such as carboxylic acid groups.
The carboxylic acid may play the role of the acid catalyst (Scheme 1) if no other stronger acid is added and the reaction rate becomes the sum of a bimolecular uncatalyzed and trimolecular autocatalyzed process.