| copper acetoarsenite |
an emerald green powder derived by reaction of sodium arsenite, copper sulfate, and acetic acid; it is toxic by ingestion and is used as an insecticide and wood preservative. Called also Paris green.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| copperas |
(cop
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| copperhead |
(cop
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| copperas |
Iron(II) sulfate, also known as ferrous sulfate and as copperas (FeSO4) is an example of an ionic compound. It is found in various states of hydration (FeSO4·H2O, FeSO4·4H2O, FeSO4·5H2O, FeSO4·7H2O); the heptahydrate is also called green vitriol, copperas, or melanterite (a mineral that commonly occurs with pyrite). Iron(II) sulfate has a blue-green color, monoclinic crystal structure, and is water-soluble. Its molecular weight is 151.9026 g/mol. ...
출처: en.wikipedia.org/wiki/Copperas
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| copperhead |
In rock climbing, a copperhead is a small nut made of a soft metal, originally copper or brass, now usually aluminium. Copperheads are placed in the smallest cracks and seams where their malleability means that they can conform to the rock and grip better: often they need to be hammered into place. ...
출처: en.wikipedia.org/wiki/Copperhead_(climbing)
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