Calcium magnesium analyzer

Details Calcium magnesium analyzer Calcium magnesium analyzer

1977-12-22

1980-06-03

Serwin, R. E.

Chemistry: physical processes

Physical processes

Crystallization

422 62, 422 81, G01N 2126, G01N 2128

Patent

active

042059534

ABSTRACT:
A method and apparatus for automatically measuring calcium and magnesium concentrations of less than about 500 parts per million in a liquid solution is disclosed by repeatedly automatically trapping a single sample, colorimetrically analyzing the trapped sample and displaying a corresponding calcium and magnesium concentration reading.

REFERENCES:
patent: 4043756 (1977-08-01), Sommervold
McCullough et al., "High-Precision Measurement of Calcium in Cadmium Phosphate Plant Materials, and a Micro-Method for both Calcium and Magnesium in Brine", "Automation in Analytical Chem.", Technicon Corp., (1967), pp. 233-238.

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