Method and apparatus for the preparation of liquid samples for determination of boron

Patent · Tue Mar 04 00:00:00 EST 1986

OSTI ID:1176546

Siemer, Darryl D.

A method and apparatus for the preparation of a liquid sample for the quantitative determination of boron by flame photometry. The sample is combined in a vessel with sulfuric acid, and an excess of methanol is added thereto. The methanol reacts with any boron present in the sample to form trimethyl borate which is volatilized by the heat of reaction between the excess methanol and sulfuric acid. The volatilized trimethyl borate is withdrawn from the vessel by either a partial vacuum or a positive pressure and is rapidly transferred to a standard flame photometer. The method is free of interference from typical boron concomitants.

• Research Organization: Idaho National Laboratory (INL), Idaho Falls, ID (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC07-79ID01675
• Assignee: The United States of America as represented by the United States Department of Energy (Washington, DC)
• Patent Number(s): H000030
• Application Number: 06/447846
• OSTI ID: 1176546
• Resource Relation: Patent File Date: 1982 Dec 08
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
statutory invention registration