Di-sodium hydrogen phosphate dodecahydrate dissolves slowly in the methanolic Karl Fischer (KF) working medium. We recommend the addition of formamide (1:1, v/v) to markedly improve solubility. Both one-component and two-component volumetric titration is recommended.
Hydranal-Water Standard 10.0, Hydranal-Water Standard 1.0, and Hydranal-Standard Sodium Tartrate Dihydrate are suitable for determination of the titer or control of the volumetric determination.
Download the full Laboratory Report for di-sodium hydrogen phosphate dodecahydrate (L 325) here
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