The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 1987
Filed:
Jan. 21, 1986
Applicant:
Inventors:
William R Jones, Westborough, MA (US);
Allan L Heckenberg, Milford, MA (US);
Petr Jandik, Hopedale, MA (US);
Assignee:
Millipore Corporation, Bedford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; G01N / ;
U.S. Cl.
CPC ...
210659 ; 210 93 ; 2101982 ; 422 70 ; 73 6 / ;
Abstract
A method and apparatus for the simultaneous analysis of borate and chloride ions in a liquid sample, such as a sample of nuclear reactor water, by ion chromatographic techniques are disclosed. The ion chromatographic system employed includes an exclusion column, an anion exchange column, and means for alternately directing effluent from said exclusion column to refractive index detecting means or void volume from the exclusion column and second eluent through the anion exchange column to conductivity detecting means.