Color indicator system for pH measurement

Details Color indicator system for pH measurement Color indicator system for pH measurement

1983-02-15

1984-11-06

Turk, Arnold

Chemistry: analytical and immunological testing

Including titration or ph determination

436175, 549 33, G01N 2180

Patent

active

044812965

ABSTRACT:
A composition comprising phenol red, phenol, and deionized water and preferably sodium hydroxide and citric acid and a method for measuring pH wherein such composition is added to a water sample.

REFERENCES:
patent: 4382122 (1983-05-01), Mezei et al.
Vogel, Textbook of Quantitative Inorganic Analysis, 4th Edition, pp. 240-243.
Method 405, Standard Methods for the Examination of Water and Waste Water, 15th Edition, p. 261.

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