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Chapter 4 – Tests for the Elements, their Ions and Compounds

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The article was published on 1972-01-01. It has received 6 citations till now.

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A history of pest control measures in the anthropology collections, national museum of natural history, smithsonian institution

TL;DR: Since the mid-19th century, various pest eradication techniques have been employed on the anthropology collections at the National Museum of Natural History, Smithsonian Institution as mentioned in this paper, and these techniques are reviewed, and pesticide and fumigant use by early collectors and later collections management staff is documented.
Journal ArticleDOI

The characterization of pigments based on carbon

TL;DR: In this paper, the main features, molecular structures and physical and chemical properties of these carbon types, so far as they are relevant to pigment studies, are reviewed in outline and some better-known pigments based on carbon are summarized, with an indication of which form or forms of carbon each contains.
Journal ArticleDOI

‘Lead white’ in Japanese paintings

TL;DR: In this paper, the Freer collection of Japanese paintings of the twelfth to the sixteenth centuries has been determined, and basic lead carbonate (lead white) was found in 12 out of 13 Chinese paintings and in all three Korean paintings.
Journal ArticleDOI

Narration and Legacy of Important Chemical Spot Tests in Forensic Investigation.

TL;DR: The outlook and likely impact of these tests on the expansion of scientific investigation and legacy and technical details of selected spot tests used in solving crime are described.
Journal ArticleDOI

Treatment of a Silver Dragon for the Removal of Silver Cyanide and Chalconatronite

TL;DR: In this article, the corrosion products on a silver dragon suspected to have been treated with cyanide revealed both silver cyanide and chalconatronite, which can be formed on silver objects cleaned or replated using a cyanide solution.
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Kritische Studie über die Mitbestimmung in Wässern Betrachtungen zur photometrischen Bestimmung mit Brucin

TL;DR: In this paper, a new modifikation der Brucinmethode with speziell zubereitetem Reagens vorgeschlagen is presented.
Journal ArticleDOI

Zum Nachweis des Germaniums mit Phenylfluoron und zur Konstitution der Komplexverbindung

TL;DR: Durch Adsorption des ausfallenden Niederschlages an der Phasengrenzflache zwischen Tetrachlorkohlenstoff und wasriger Losung konnte die Empfindlichkeit des Germaniumnachweises mit Phenylfluoron von 3,3μg Ge/ml bis auf 0,02 μg Ge/m gesteigert werden as mentioned in this paper.
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Determination of Serum Calcium by Glyoxal Bis (2-Hydroxyanil) Chelation

TL;DR: A simple micro (0.1 ml.) colorimetric method is described for the determination of serum calcium using the differential chelating characteristic of glyoxyl bis (2-hydroxyanil) in the presence of other divalent cations.
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ber das Mitreien von Verunreinigungen bei der Fllung des Selens mit SO2 aus salzsauren Lsungen

TL;DR: In this article, die Fällung des Selens aus 1-8 n salzsauren Lösungen mit SO2 mitgerissenen Mengen folgender Elemente bestimmt: Wismut, Kupfer, Cadmium, Antimon, Zinn, Molybdän, Quecksilber, Blei, Thallium, Ruthenium, Rhodium, Palladium, Osmium, Iridium and Platin.