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Contributions of TFA_Counterion

User contributions·36 logged edits·page 1 of 1

Contributions by TFA_Counterion, newest first. This list covers edits recorded in the site's change log; the editor's lifetime total of 2,411 edits includes activity predating the current log.

  1. 13:15, 30 May 2026 (diff | hist) Talk:Sterile water for injection 748 +107 /* Unbuffered pH */ reply
  2. 03:11, 21 May 2026 (diff | hist) Fmoc chemistry 4,618 ±0 add the figure for the lyophilisation cycle and caption it
  3. 10:50, 2 May 2026 (diff | hist) Talk:Residual solvent 537 +210 /* TFA: solvent or counterion? */ new section
  4. 10:00, 20 Apr 2026 (diff | hist) Analytical method validation 5,342 ±0 m expand §Specificity for peptides
  5. 09:00, 16 Mar 2026 (diff | hist) Analytical method validation 5,342 ±0 m give the injection volume, without which the loading cannot be judged
  6. 19:18, 7 Mar 2026 (diff | hist) Area percent purity 8,537 ±0 add the ionisation mode to the mass-spectrometry description
  7. 09:35, 5 Mar 2026 (diff | hist) Talk:Trifluoroacetate counterion 400 +135 /* The worked arithmetic */ new section
  8. 18:38, 24 Feb 2026 (diff | hist) Electrospray ionisation 4,323 ±0 m add category for method validation
  9. 13:40, 11 Feb 2026 (diff | hist) Talk:Custom peptide synthesis 611 +127 /* Net peptide mass versus solid mass */ reply
  10. 13:20, 10 Feb 2026 (diff | hist) Talk:Electrospray ionisation 611 +100 /* TFA suppression */ reply
  11. 13:25, 29 Jan 2026 (diff | hist) Talk:Reference standard 611 +159 /* Assigned content is not purity */ reply
  12. 06:44, 25 Jan 2026 (diff | hist) Karl Fischer titration 9,318 ±0 add category for method validation
  13. 05:35, 31 Dec 2025 (diff | hist) Peptide aggregation 5,516 ±0 m clarify the difference between related substances and total impurities
  14. 21:34, 17 Dec 2025 (diff | hist) Deamidation 5,263 ±0 add the system-suitability criteria the method actually specifies
  15. 18:56, 29 Nov 2025 (diff | hist) Area percent purity 8,537 ±0 give the injection volume, without which the loading cannot be judged
  16. 15:23, 31 Oct 2025 (diff | hist) Loss on drying 4,874 ±0 m expand §Interpreting a figure
  17. 17:58, 20 Sep 2025 (diff | hist) Mass spectrometry 5,612 ±0 ce
  18. 16:22, 6 Sep 2025 (diff | hist) Amino acid analysis 4,623 +555 m clarify the difference between related substances and total impurities
  19. 02:39, 8 Aug 2025 (diff | hist) Amino acid analysis 4,068 ±0 m fix a dangling clause
  20. 20:13, 30 Jul 2025 (diff | hist) Shanghai Sigma-Audley New Material Technology 12,094 +1,494 fix a broken wikilink
  21. 18:33, 21 Jun 2025 (diff | hist) Intention-to-treat analysis 4,637 ±0 m add the number randomised and the number completing
  22. 20:18, 17 May 2025 (diff | hist) Peptide aggregation 4,377 ±0 split §Principle from §Practical limitations
  23. 22:14, 20 Apr 2025 (diff | hist) Mass spectrometry 5,248 +25 typo
  24. 21:55, 27 Mar 2025 (diff | hist) Amino acid analysis 3,703 +121 state the mass accuracy in parts per million rather than daltons
  25. 23:24, 13 Mar 2025 (diff | hist) Karl Fischer titration 7,045 +486 add the counterion determination method by name
  26. 22:24, 26 Feb 2025 (diff | hist) Reference standard 4,120 ±0 correct the flow rate — the source gives it in mL/min
  27. 09:32, 5 Jan 2025 (diff | hist) Methionine oxidation 2,680 ±0 m correct the integration description — valley-to-valley, not drop-line
  28. 18:23, 14 Nov 2024 (diff | hist) Peptide aggregation 3,043 +356 clarify that area percent is not mass percent
  29. 14:36, 12 Nov 2024 (diff | hist) Talk:Peptide content 611 +241 /* Typical content range: is 70–90% defensible? */ reply
  30. 13:07, 24 Oct 2024 (diff | hist) Residual solvent 2,880 ±0 add the system-suitability criteria the method actually specifies
  31. 14:15, 7 Oct 2024 (diff | hist) Talk:Area percent purity 611 +188 /* The worked example — check the arithmetic */ reply
  32. 22:44, 13 Sep 2024 (diff | hist) Mass spectrometry 2,880 ±0 m clarify that mass spectrometry confirms identity, not purity
  33. 16:58, 10 Sep 2024 (diff | hist) Reverse-phase HPLC 3,012 ±0 correct the integration description — valley-to-valley, not drop-line
  34. 14:36, 12 Aug 2024 (diff | hist) Reverse-phase HPLC 2,744 +439 add short description
  35. 23:57, 7 Aug 2024 (diff | hist) Mass spectrometry 2,431 +341 add the figure for the chromatogram and caption its axes
  36. 23:06, 2 Jul 2024 (diff | hist) Reverse-phase HPLC 1,347 +1,347 N start article on the analytical method