[phenixbb] preparing DL-Malic acid stock solution

Sebastiano Pasqualato sebastiano.pasqualato at gmail.com
Thu Jun 8 07:54:25 PDT 2017

Dear all,
we’ve recently having trouble preparing a 3 M stock solution of DL-Malic Acid, pH 7 (which we had, so it’s doable!).
When we reach pH 3 - 4 the solution turns milky white and does not goes back to a clear solution even when the pH is raised.
Does anybody have any advice on how to get a clear solution? Has anyone gone through the same?
Thanks in advance,

Sebastiano Pasqualato, PhD
Crystallography Unit
Department of Experimental Oncology
European Institute of Oncology
via Adamello, 16
20139 - Milano

tel +39 02 9437 5167
fax +39 02 9437 5990
web http://is.gd/IEOXtalUnit

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