Abstract
USERS of glass electrodes frequently require for purposes of standardization an easily prepared buffer solution in the region of pH 9, and use is generally made of an M/20 solution of A.R. borax, which according to tables1 has a value of 9·23 at 20° C.
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LAUCHLAN, A. Borax as a Standard Buffer Solution. Nature 154, 577 (1944). https://doi.org/10.1038/154577a0
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DOI: https://doi.org/10.1038/154577a0
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