Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 109: Issue 3
Determination of elemental sulfur in phosphorous pentasulfide by temperature modulated differential scanning calorimetry
Authors:
Tina M. Adams The Lubrizol Corporation, Wickliffe, OH, USA

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Paul Adams The Lubrizol Corporation, Wickliffe, OH, USA

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Pages:
1285–1290
Online Publication Date:
19 Aug 2012
Publication Date:
01 Sep 2012
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-012-2627-5
Keywords:
Thermal analysis; Modulated differential scanning calorimetry; Sulfur; Crystalline; Amorphous; Phosphorous pentasulfide
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Abstract

Phosphorous pentasulfide is an important starting material for a number of commercial chemicals. Examples include lubricant additives (Spikes, Trib Lett 17:469–489, 2004), agricultural insecticides (Kirk-Othmer, Enycl Chem Technol 14:549–552, 1995), and mining ore flotation agents. Phosphorous pentasulfide is a mixture of several components, one of which is free elemental sulfur, present at levels of approximately 50 ppm to 20,000 ppm (2 %). The amount of free sulfur present in the phosphorous pentasulfide can impact manufacturing, such as zinc dithiosulfate processing. Therefore, an accurate and fast analytical method to measure elemental sulfur in phosphorous pentasulfide would be of value compared to what is available now.

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  • 2. Kirk-Othmer. Encyclopedia of chemical technology, 4th ed. © 1995;14: 549–52; and refs. cited therein.

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  • 6. Simon, S 2001 Temperature-modulated differential scanning calorimetry: theory and application. Thermochim Acta 374:55–71 .

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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