Noun:

போர்னியோ,

orpiment தமிழ் அர்த்தத்தின் உதாரணம்:

None

orpiment's Usage Examples:

Lead, copper, sulphur, orpiment, also lignite, have been found within the confines of the province; also a kind of beautiful, variegated, translucent marble, which takes a high polish, is used in the construction of palatial buildings, tanks, baths, 'c.

Arsenic is a constituent of the minerals arsenical iron, arsenical pyrites or mispickel, tin-white cobalt or smaltite, arsenical nickel, realgar, orpiment, pharmacolite and cobalt bloom, whilst it is also met with in small quantities in nearly all specimens of iron pyrites.

For industrial purposes an artificial orpiment is manufactured by subliming one part of sulphur with two of arsenic trioxide.

Arsenic, in its well-known and beautiful forms, orpiment and realgar, is found in New South Wales and Victoria.

Formerly, under the name of "king's yellow," a preparation of orpiment was in considerable use as a pigment, but now it has been largely superseded by chrome-yellow.

Cinnabar, realgar, orpiment and coal form the rest of the mineral products of Kwei-chow.

Many substances were employed in ancient medicine: galena was the basis of a valuable Egyptian cosmetic and drug; the arsenic sulphides, realgar and orpiment, litharge, alum, saltpetre, iron rust were also used.

Chaucer, Chanouns Yemannes Tale, where, however, mercury figures both as a spirit and a body: " The firste spirit quik-silver called is, The second orpiment, the thridde ywis Sal armoniak, and the ferthe brimstoon.

"Arsenic, in its well-known and beautiful forms, orpiment and realgar, is found in New South Wales and Victoria.

There are three known compounds of arsenic and sulphur, namely, realgar As2S2, orpiment As2S3, and arsenic pentasulphide As2S5.

Arsenic pentasulphide,As2S5, can be prepared by fusing the trisulphide with the requisite amount of sulphur; it is a yellow easily-fusible solid, which in absence of air can be sublimed unchanged; it is soluble in solutions of the caustic alkalis, forming thioarsenates, which can also be obtained by the action of alkali polysulphides on orpiment.

Synonyms:

mineral, atomic number 33, As, arsenic,

Antonyms:

organic,