Die Umwandlung von Realgar in Auripigment und das analoge Verhalten von Arsensulfidhydrosol

Bhatnagar, S. S.; Rao, B. L.

doi:10.1007/bf01423366

Cited by 6 publications

(1 citation statement)

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“…Despite the fact that other studies on light-induced transformations of arsenic sulfides had already been published (e.g., Bhatnagar and Rao 1923;Cahoon 1965; Keneman ner: Take of arsenic powdered and flowers of sulphur in the proportion of twenty of the first to one of the second: and having put them into a sublimer, sublime them in a sand-heat, with such a furnace as is described p. 20, according to the general direction given p. 30. The operation being over, the king's yellow will be found in the upper part of the glass; which must be carefully separated from any caput mortuum or foul parts that maybe found in the glass with it.…”

Section: The χ-Phase and The Light-induced Variations In Arsenic Sulfidesmentioning

confidence: 99%

Pigments—Arsenic-based yellows and reds

Gliozzo

Burgio

2021

Archaeol Anthropol Sci

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This review offers an update on arsenic-bearing minerals and pigments with the aim of serving as a guide for the study of Cultural Heritage materials in which these materials can be found.The different As-bearing mineral phases (realgar, pararealgar, orpiment, anorpiment, alacranite, dimorphite, bonazziite, uzonite, wakabayashilite, duranusite, arsenolite and claudetite) and some of their light-induced products are examined. The occurrence of As-sulfides and their trade, use, alteration and degradation are also reviewed. Finally, the analytical techniques commonly used for the identification of arsenic-containing pigments are discussed. The manuscript concludes with a good-practice guide and a summary of key concepts for use by those working in the field of cultural heritage.

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Section: The χ-Phase and The Light-induced Variations In Arsenic Sulfidesmentioning

confidence: 99%