Invention Grant
- Patent Title: Methods for detecting sulfur
- Patent Title (中): 检测硫的方法
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Application No.: US14518438Application Date: 2014-10-20
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Publication No.: US09417227B2Publication Date: 2016-08-16
- Inventor: Michael F. Jankowski , Renee J. Weinberger
- Applicant: United States Gypsum Company
- Applicant Address: US IL Chicago
- Assignee: UNITED STATES GYPSUM COMPANY
- Current Assignee: UNITED STATES GYPSUM COMPANY
- Current Assignee Address: US IL Chicago
- Agency: Greer, Burns & Crain, Ltd.
- Agent Pradip Sahu; Philip T. Petti
- Main IPC: G01N33/24
- IPC: G01N33/24 ; G01N33/22 ; G01N31/22 ; G01N21/78
Abstract:
A method for rapid detection of sulfur in a gypsum sample by causing emission of sulfur from the sample as vapors, reacting the vapors with silver nitrate and detecting sulfur by monitoring for color change. A kit for rapid detection of sulfur in a gypsum sample is also provided. Further methods include those in which the amount of sulfur in a gypsum sample is quantified in colorimetric analysis with silver nitrate and gypsum standards with known concentrations of sulfur.
Public/Granted literature
- US20150177217A1 COMPOSITIONS AND METHODS FOR DETECTING SULFUR Public/Granted day:2015-06-25
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