PREPARATION OF A PH-ADJUSTED ASCORBIC ACID SOLUTION
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Oct 24, 2024
app pub date -
Jun 16, 2022
filing date -
Jun 16, 2022
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Provided is a method of preparing an aqueous ascorbic acid solution having a pH of 2.0 to 4.0, the method comprising: providing an initial aqueous solution of ascorbic acid and a base, wherein the initial solution has a pH of 5.0 to 8.0; and combining the initial solution with a second acid to obtain an ascorbic acid solution having a pH of 2.0 to 4.0. Also provided is the use of an aqueous ascorbic acid solution having a pH of 2.0 to 4.0 prepared by a described method as a radiostabiliser of a radio-labelled compound.
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