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Title: Liquid chromatographic determination of water

Abstract

A sensitive method for the determination of water in the presence of common interferences is presented. The detection system is based on the effect of water on the equilibrium which results from the reaction aryl aldehydes, such as cinnamaldehyde and methanol in the eluent to form cinnamaldehyde dimethylacetal, plus water. This equilibrium is shifted in a catalytic atmosphere of a hydrogen ion form past column reactor. The extent of the shift and the resulting change in absorbance are proportional to the amount of water present.

Inventors:
 [1];  [2]
  1. Fairfield, OH
  2. Ames, IA
Issue Date:
Research Org.:
Ames Laboratory (AMES), Ames, IA; Iowa State University, Ames, IA (US)
OSTI Identifier:
867604
Patent Number(s):
4970170
Application Number:
07/220,743
Assignee:
Iowa State University Research Foundation, Inc. (Ames, IA)
DOE Contract Number:  
W-7405-ENG-82
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
liquid; chromatographic; determination; water; sensitive; method; presence; common; interferences; detection; based; effect; equilibrium; results; reaction; aryl; aldehydes; cinnamaldehyde; methanol; eluent; form; dimethylacetal; plus; shifted; catalytic; atmosphere; hydrogen; past; column; reactor; extent; shift; resulting; change; absorbance; proportional; amount; column reactor; liquid chromatograph; liquid chromatographic; sensitive method; resulting change; catalytic atmosphere; chromatographic determination; plus water; /436/210/

Citation Formats

Fortier, Nancy E, and Fritz, James S. Liquid chromatographic determination of water. United States: N. p., 1990. Web.
Fortier, Nancy E, & Fritz, James S. Liquid chromatographic determination of water. United States.
Fortier, Nancy E, and Fritz, James S. Tue . "Liquid chromatographic determination of water". United States. https://www.osti.gov/servlets/purl/867604.
@article{osti_867604,
title = {Liquid chromatographic determination of water},
author = {Fortier, Nancy E and Fritz, James S},
abstractNote = {A sensitive method for the determination of water in the presence of common interferences is presented. The detection system is based on the effect of water on the equilibrium which results from the reaction aryl aldehydes, such as cinnamaldehyde and methanol in the eluent to form cinnamaldehyde dimethylacetal, plus water. This equilibrium is shifted in a catalytic atmosphere of a hydrogen ion form past column reactor. The extent of the shift and the resulting change in absorbance are proportional to the amount of water present.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1990},
month = {11}
}

Patent:

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