User talk:Rjwilmsi/Archives/2017/February

Reference errors on 14 February
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SCOGS
Some recent edits in Stability constants of complexes have wrongly changed the citation for the program SCOGS. The original publication by D.D. Perrin and I.G. Sayce was in Talanta,1967 14, 833-8420. This was followed by some minor corrections: Sayce, Talanta, 1971, 18, 633 and Sayce & V.S. Sharma, Talanta, 1972, 19,831. Moreover, the program was further developed as SCOGS2 by D.D. Perrin and H Stunzi, described (including FORTRAN source code) in chapter 4, "SCOGS2, A Non-linear Least-Squares Program for the Evaluation of Formation Constants of Metal Complexes", in "Computational Methods for the Determination of Formation Constants", Edited by D.J.Leggett, Plenum Pres, New York, 1985, ISBN 0-306-41957-2 (please check ISBN). Please amend the citation again. Petergans (talk) 11:11, 18 February 2017 (UTC)
 * I can't reconcile your comment/information and the edit I made to that page yesterday. I have been reconciling and correcting citation issues on Wikipedia by comparing the data held on Wikipedia and pubmed, and correcting Wikipedia where we've got it wrong, but not making wholesale changes to replace one ref with another. I made this edit to change a volume number from 22 to 15 (making it "Sayce, I. G. (1968). "Computer calculations of equilibrium constantsof species present in mixtures of metal ions and complexing reagents". Talanta. 15 (12): 1397–1421. . "). But that paper is not any of the three you list. However, from the dates and volume numbers you provide, then Talanta had only reached volume 18 in 1971, the original value of 22 for a paper from 1968 can't be correct, so my edit looks correct to me, it matches what is at pubmed and on crossref.
 * If you are making a more general point that the SCOGS article should reference different/additional papers as you have specific knowledge of the subject, then please go ahead and change the article. (I now see we have a typo "constantsof" that would also want correcting if the citation should be retained) Thanks Rjwilmsi  11:46, 18 February 2017 (UTC)
 * My source is the book by Leggett - I have a personal copy. There are 3 references for SCOGS in chapter 4 (Perrin & Stunzi)
 * Sayce, Talanta,1968, 15,1397-1411 (original)
 * Sayce, Talanta,1971, 18, 653 (corrections)
 * Sayce & Sharma, Talanta,1972, 19, 831 (corrections)
 * use of " a modified Gauss method" was cited by Perrin, Sayce & Sharma, J. Chem. Soc.(A) 1967, 1397-1411. This is what was later called SCOGS.
 * There is also Perrin & Sayce, Talanta,1967, 14, 833-842 which deals with the calculation of "free" concentrations (COGSNR, solution of the equations of mass-balance) which was incorporated into SCOGS Petergans (talk) 17:11, 21 February 2017 (UTC)
 * OK, good so my change to make the 1968 paper on pages 1397–1421 to be volume 15 rather than volume 22 matches the volume 15 value in your book source. So confirms my edit was correct, nothing else for me to do on this one. As I said, if you think additional citations are appropriate, please go ahead and update the article. Rjwilmsi  17:41, 21 February 2017 (UTC)