Title:
繊維における硫黄含有量を決定する方法
Document Type and Number:
Japanese Patent JP5851632
Kind Code:
B2
Abstract:
The invention concerns methods for measuring sulfur content in a fiber or polymer resin sample comprising: a) contacting the sample with a solution comprising sodium hydroxide to convert sulfur to sodium sulfate, b) combusting the sample of step a) in a furnace to remove essentially all organic materials to produce a residue; c) dissolving the residue in concentrated nitric acid; and d) determining the sulfur content of the sample using ICP Emission Spectrometry.
Inventors:
Turitter jonathan samuel
Application Number:
JP2014552165A
Publication Date:
February 03, 2016
Filing Date:
January 11, 2012
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
G01N31/12; G01N31/00; G01N33/36; G01N33/44
Domestic Patent References:
| JP2006119084A | ||||
| JP2009014512A | ||||
| JP2000230046A | ||||
| JP2006284240A | ||||
| JP2004069413A | ||||
| JP6221975A |
Foreign References:
| WO1999013140A1 |
Other References:
J. Anal. At. Spectrom.,2004年,Vol.19 ,p1186-1191
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Gen Tashiro
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Gen Tashiro