From: ILPI Support <info**At_Symbol_Here**ILPI.COM>
Subject: Re: [DCHAS-L] Raney Nickel nomenclature
Date: Tue, 6 Mar 2018 11:08:20 -0500
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: C053CE4B-5518-43B6-95D0-7071F10519F1**At_Symbol_Here**

Different formulations based on metal contents and ratios.  2800 is only nickel but 2400 also has chrome and iron promoters, for example.  Presumably, one can get different selectivities for different functional groups.

Would have to call Grace or Aldrich for full specs and why you would select one over the other.

Rob Toreki

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On Mar 6, 2018, at 10:51 AM, Russell Vernon <russellnvernon**At_Symbol_Here**GMAIL.COM> wrote:

Trivia question... Does anyone know the significance of the numbers used by WR Grace to label the these four formulations of Raney Nickel?
W.R. Grace and Co. Raney =AE
2800, slurry, in H2O, active catalyst (Aldrich)
2400, slurry, in H2O, active catalyst (Aldrich)
3202, slurry, in H2O, active catalyst (Aldrich)
4200, slurry, in H2O, active catalyst (Aldrich)

After a few hours researching to no avail, I am really curious,

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