PH: Revision history

29 June 2023

• curprev 08:3908:39, 29 June 2023‎ Pat Palmer talk contribs‎ m 11,050 bytes +22‎ Text replacement - "Maryland" to "Maryland"

2 February 2023

• curprev 10:4510:45, 2 February 2023‎ Pat Palmer talk contribs‎ m 11,028 bytes +11‎ Text replacement - "[[United States|" to "[[United States of America|"

1 March 2011

• curprev 22:0822:08, 1 March 2011‎ imported>Henry A. Padleckas‎ m 11,017 bytes +11,017‎ took unnecessary parentheses out of Equation (4)
• curprev 03:0103:01, 1 March 2011‎ imported>Henry A. Padleckas‎ m 11,034 bytes +1‎ →‎Definitions and discussion: punc in table header
• curprev 02:5602:56, 1 March 2011‎ imported>Henry A. Padleckas‎ 11,033 bytes +1,863‎ →‎Definitions and discussion: mentioned dissociation of water and Kw

27 February 2011

• curprev 13:4113:41, 27 February 2011‎ imported>Milton Beychok‎ m 9,838 bytes +9‎ Better to have a red link than to send readers to a disambiguation page only to find the same red link
• curprev 13:3813:38, 27 February 2011‎ imported>Milton Beychok‎ m 9,829 bytes +659‎ Better to have a red link than sending reader to a disambiguation page to find the same red link
• curprev 12:1812:18, 27 February 2011‎ imported>Henry A. Padleckas‎ 9,817 bytes +527‎ explained aqueous solution, specified eq. constant at about 25 deg C

28 February 2010

• curprev 09:1009:10, 28 February 2010‎ imported>Paul Wormer‎ 9,728 bytes +438‎ →‎Definitions and discussion: A few minor additions/changes/typos

18 February 2010

• curprev 18:2618:26, 18 February 2010‎ imported>Milton Beychok‎ m 9,290 bytes +120‎ Copy edits of two wiki links

17 February 2010

• curprev 11:5311:53, 17 February 2010‎ imported>Milton Beychok‎ m 9,276 bytes +18‎ Wiki link
• curprev 11:3811:38, 17 February 2010‎ imported>Milton Beychok‎ 9,255 bytes −3‎ Copy edit

15 February 2010

• curprev 20:2420:24, 15 February 2010‎ imported>Milton Beychok‎ m 9,258 bytes +88‎ →‎pH of some common substances: Added two more substances
• curprev 11:2611:26, 15 February 2010‎ imported>Milton Beychok‎ m 9,170 bytes +6,743‎ More references
• curprev 10:4010:40, 15 February 2010‎ imported>Milton Beychok‎ m 8,976 bytes +4,994‎ Added a wiki link
• curprev 10:1010:10, 15 February 2010‎ imported>Paul Wormer‎ m 8,956 bytes +4,974‎ →‎Definitions and discussion: P --> p and LaTeX equation (6) larger
• curprev 00:2400:24, 15 February 2010‎ imported>Milton Beychok‎ 8,952 bytes +4,970‎ →‎pH of some common substances: Copy edit
• curprev 00:1200:12, 15 February 2010‎ imported>Milton Beychok‎ m 8,914 bytes +491‎ →‎pH of some common substances: Added explanatory notes to the table of common substances
• curprev 00:0600:06, 15 February 2010‎ imported>Milton Beychok‎ 8,693 bytes +270‎ No edit summary

14 February 2010

• curprev 19:3019:30, 14 February 2010‎ imported>Milton Beychok‎ m 8,423 bytes +4,441‎ Re-wrote and re-formatted the article. Still need more sections. See Talk page.

10 February 2010

• curprev 06:4806:48, 10 February 2010‎ imported>Peter Schmitt‎ 3,982 bytes +1,550‎ →‎Formal definition: some copy edits
• curprev 06:3306:33, 10 February 2010‎ imported>Peter Schmitt‎ m 3,866 bytes +33‎ →‎Formal definition: sub- and superscripts
• curprev 01:4501:45, 10 February 2010‎ imported>Milton Beychok‎ m 3,833 bytes +312‎ Added a few references
• curprev 01:2601:26, 10 February 2010‎ imported>Milton Beychok‎ m 3,521 bytes +651‎ Added a bit about the origin of the pH notation.

9 February 2010

• curprev 22:3622:36, 9 February 2010‎ imported>Milton Beychok‎ m 2,870 bytes +328‎ Revised the lede. See Talk page.

4 June 2009

• curprev 04:0704:07, 4 June 2009‎ imported>Peter Schmitt‎ 2,542 bytes +110‎ litmus paper
• curprev 04:0104:01, 4 June 2009‎ imported>Peter Schmitt‎ m 2,432 bytes +5‎ →‎Formal definition: typographical
• curprev 03:5403:54, 4 June 2009‎ imported>Peter Schmitt‎ m 2,427 bytes +2,427‎ →‎Formal definition: typographical: pH and pOH are not the product of variables
• curprev 03:4503:45, 4 June 2009‎ imported>Peter Schmitt‎ m 2,374 bytes +68‎ →‎Formal definition: \cdot (or should it be \times?)

9 May 2009

• curprev 12:5612:56, 9 May 2009‎ imported>Milton Beychok‎ m 2,370 bytes +64‎ Don't assume that readers know what "standard pressure" is. Also added 2 CZ links.

2 May 2009

• curprev 23:5123:51, 2 May 2009‎ imported>Wong Hung Kong Dylan‎ 2,360 bytes +54‎ This article needed significant modification, many misconceptions were shown

3 February 2009

• curprev 21:1721:17, 3 February 2009‎ imported>Milton Beychok‎ m 2,310 bytes +4‎ Added a link

2 November 2008

• curprev 13:4913:49, 2 November 2008‎ imported>Milton Beychok‎ m 2,306 bytes +2,306‎ →‎Formal definition: Some copy editing of the equations.

25 November 2007

• curprev 00:2500:25, 25 November 2007‎ imported>Joe Quick‎ m 2,283 bytes +2,283‎ subpages

9 October 2007

• curprev 15:2515:25, 9 October 2007‎ imported>Benjamin Seghers‎ m 2,326 bytes −5‎ No edit summary
• curprev 15:2515:25, 9 October 2007‎ imported>Benjamin Seghers‎ m 2,331 bytes +2,331‎ →‎references: slight formatting
• curprev 15:2115:21, 9 October 2007‎ imported>David E. Volk‎ 2,331 bytes +2,331‎ add 2 refs and catagories
• curprev 15:1815:18, 9 October 2007‎ imported>David E. Volk‎ 2,034 bytes +2,034‎ No edit summary
• curprev 15:1515:15, 9 October 2007‎ imported>David E. Volk‎ 1,981 bytes +1,043‎ list of pH values for everyday items
• curprev 15:0115:01, 9 October 2007‎ imported>David E. Volk‎ 1,087 bytes +149‎ more eq'n
• curprev 14:5314:53, 9 October 2007‎ imported>David E. Volk‎ 938 bytes +349‎ more equations
• curprev 14:4414:44, 9 October 2007‎ imported>David E. Volk‎ 678 bytes +89‎ add equation form of definition
• curprev 13:2713:27, 9 October 2007‎ imported>Benjamin Seghers‎ m 589 bytes +589‎ testing template
• curprev 13:2413:24, 9 October 2007‎ imported>Robert W King‎ 566 bytes +566‎ No edit summary
• curprev 13:2213:22, 9 October 2007‎ imported>Benjamin Seghers‎ m 562 bytes +562‎ expand some
• curprev 13:0713:07, 9 October 2007‎ imported>Benjamin Seghers‎ 371 bytes +371‎ start of pH