arsenical

(redirected from organic arsenical)
Also found in: Dictionary, Thesaurus, Encyclopedia.

arsenical

 [ahr-sen´ĭ-k'l]
1. pertaining to arsenic.
2. a compound containing arsenic; arsenicals were once widely used in medicine, but have now mostly been replaced by antibiotics. However, some are still used to treat infectious diseases, especially those caused by protozoa, as well as skin disorders and blood dyscrasias; they must be administered with caution because of their toxicity. All arsenicals are toxic to humans and some are carcinogenic. See also arsenic poisoning.

ar·sen·i·cal

(ar-sen'i-kăl),
1. A drug or agent, the effect of which depends on its arsenic content.
2. Denoting or containing arsenic.

arsenical

(är-sĕn′ĭ-kəl)
adj.
Of or containing arsenic.
n.
A drug or preparation containing arsenic.

ar·sen·i·cal

(ahr-sen'i-kăl)
1. Denoting or containing arsenic.
2. A drug or agent, the effect of which depends on its arsenic content.
3. A class of chemical agents that contain arsenic.

arsenical

1. pertaining to arsenic.
2. a compound containing arsenic.

arsenical herbicide
includes monosodium or disodium methanearsonates. See also organic arsenical (below).
organic arsenical
includes aliphatic organic arsenicals, e.g. the pharmaceuticals cacodylic and phenarsonic acids, the herbicides monosodium and disodium methanearsonates, aromatic organic arsenicals, e.g. trivalent phenylorganic arsenicals like thiacetarsamide, arsphencomplexamine, and pentavalent phenylorganic arsenicals like arsanilic acid, roxarsone, nitarsone. Poisoning by organic arsenicals causes blindness and incoordination or restlessness, convulsions, incoordination, screaming. Recovery is spontaneous if the toxin is discontinued but some piglets may remain blind.
arsenical pyrites
an arsenic-rich ore.
arsenical sheepdip, cattledip
usually contains arsenic and sulfur with 20% soluble arsenic and 3% insoluble arsenious sulfide.
arsenical smoke
factory smoke effluent from processes using arsenic-rich ores may pollute local pasture with arsenic trioxide.
arsenical weedkiller
contains sodium or potassium arsenite or thioarsenites. They may contain up to 40% arsenic trioxide.
References in periodicals archive ?
In manamals, As(V) is first reduced to As(III), whereas As(III), produced by this reduction or from direct ingestion, is methylated primarily to pentavalent organic arsenicals including monomethylarsonic acid [MMA(V)] and DMA(V)].
AC) mice to both inorganic and organic arsenicals through drinking water produced various effects on the liver, a major target organ of arsenic toxicity and carcinogenesis (Centeno et al.
In contrast to iAs, organic arsenicals such as arsenobetaine, arsenocholine, and arsenosugars are derived from food sources, primarily seafood (Choi et al.
How to best adjust for organic arsenicals of seafood origin is a controversial topic [for a detailed discussion, see Supplemental Material, pp.
NAVAS-ACIEN: As a public health risk, when we talk and think about arsenic we are referring to inorganic arsenic, and there is another kind of arsenic that is called organic arsenic, or organic arsenicals, and those forms of arsenic are mostly found in seafood.
However, organic arsenicals used in poultry feed are converted to inorganic arsenicals in poultry waste, limiting the feasibility of waste management alternatives.

Full browser ?