Top hits on google are:

This site
Aluminum hydroxide $\ce{Al(OH)_3}$ >> $ 1.3×10^{–33}$


This site
Aluminum hydroxide $\ce{Al(OH)_3}$ >> $ 3×10^{–34}$

which is one order of magnitude different.

What can be the reason for this variation? Experimental conditions? Where can I get accurate or reliable results/data of $K_{\mathrm{sp}}$ in general?

  • $\begingroup$ @Martin-マーチン Done. I can just add their values. $\endgroup$ – Dexter May 13 '15 at 11:08

Let me add to the confusion:

Usually I'd first have a look at the CRC Handbook of Chemistry and Physics. Unfortunately, I couldn't find the data for aluminium hydroxide.

| improve this answer | |
  • $\begingroup$ Umm..... $3*10^{-34}$ is the answer as it appears most times. $\endgroup$ – Dexter May 26 '15 at 16:42
  • $\begingroup$ The reason for the differences is? Experimental conditions? $\endgroup$ – Dexter May 26 '15 at 16:44
  • $\begingroup$ @Dexter Honestly, I don't know. All the online data are from tables without further explanation of the methods and conditions used. It is rather unsatisfying! $\endgroup$ – Klaus-Dieter Warzecha May 26 '15 at 16:49

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