Chelates

Chelates

Certain organic chemicals, known as chelating agents, form ring compounds in which a polyvalent metal is held between two or more atoms. Such rings are chelates. Among the best chelating agents known are ethylenediaminetetraacetic acid (EDTA), hydroxyethylenediaminetriacetic acid (HEDTA) and diethylenetriaminepentaacetic acid (DTPA). Citric acid is also used as a chelating agent.

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Industry/Domain: Plants
Category: Horticulture
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chelate

Biotechnology; Genetic engineering

Complex organic molecule that can combine with cations and does not ionize. Chelates can supply micronutrients to plants at slow, steady rates. Usually used to supply iron to ...

chelate

Engineering; Electronic engineering

Pertaining to cyclic molecular structure in which several atoms in a ring hold a central metallic ion in a coordination complex.

chelation

Materials science; Corrosion engineering

A chemical process involving formation of a heterocyclic ring compound that contains at least one metal cation or hydrogen ion in the ring.

chelate

Materials science; Corrosion engineering

(1) A molecular structure in which a heterocyclic ring can he formed by the unshared electrons of neighboring atoms. (2) A coordination compound in which a heterocyclic ring is ...

chelating

Consumer services; Hair salons

A deep cleansing process which strips the hair lightly before a chemical service. Also known as clarifying.

chelator

Medical; Human genome

1) Organic chemicals that form two or more coordination bonds with a central metal ion. Heterocyclic rings are formed with the central metal atom as part of the ring. Some ...

bark

Plants; Horticulture

The rough outer part of the cortex; loosely used for the entire cortex.

articulate

Plants; Horticulture

Having nodes or joints where separation may naturally occur.

annular

Plants; Horticulture

Ring-like; said of leaf scars that encircle the bud, or bundle scars that are circular with an opening in the center.

Plants; Horticulture

On the front side, away from the axis, toward the subtending bract.

aphid

Plants; Horticulture

a small green or white insect that sucks juices from plant parts

apomixis

Plants; Horticulture

process of producing viable seed without fertilization

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