Chemistry: physical processes – Physical processes – Crystallization
Patent
1980-01-25
1981-05-19
Marcus, Michael S.
Chemistry: physical processes
Physical processes
Crystallization
23230R, G01N 3104, G01N 3108, G01N 3300
Patent
active
042682690
ABSTRACT:
This invention relates to use of adsorption resins and ion exchange resins to separate selected organic materials and quantify their concentration in an aqueous solution based upon comparison to a visual standard. This process can be carried out in a relatively short time period and does not require special electronic equipment. Therefore, it can be conveniently used as a field test method to determine concentration of organic materials in aqueous solutions. This invention is especially useful in quantifying the concentration of triazoles in industrial cooling water.
REFERENCES:
Junk et al., Use of Macroreticular Resins in the Analysis of Water for Trace Organic Contaminants, J. of Chron. 99, (1974), 745-762.
Tateda et al., Mini-Column Procedure for Concentrating Organic Contaminants From Water, J. of Chrom. 152, (1978), 329-340.
Harrison et al., The Deter. of Benzotriazole in Inhibited Glycol Products, Analyst vol. 90, (1/1965), pp. 44-49.
Green et al., Quantitative Estimation of 3-Amino-1,2,4-triazole, Anal. Chron., vol. 29, No. 11, (11/1957), pp. 1658-1659.
Marcus Michael S.
McDonald Robert E.
The Sherwin-Williams Company
Tura James V.
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