The Peptide CommonsEst. May 2024
Independent. We sell nothing and are affiliated with no manufacturer or pharmacy. Every moderation action is logged in public
Topic summary

Solubility limits and what a cloudy solution is telling you

This is a generated summary. It shows the 5 most-liked posts from a topic of 16, in their original order, with the accepted answer included where one exists. It is a reading aid and it will miss nuance — the full topic is the record.
SS
s.solbergTL223 Jan 2026 · edited#2

Thank you for taking the time. That was more work than a reply usually is.

19 likes 6mo
VS
v.salgadoTL214 Mar 2026#5

Understood. Thank you for being specific about the limits of it.

27 likes 4mo
SC
s.coelhoTL26 May 2026#9

Coming back to post #7, because the follow-up matters more than the original answer.

Solubility limits came up in a thread eighteen months ago and was answered well. I cannot find it, which is itself the problem, so here is the reconstruction.

20 likes 3mo
TB
t.batistaTL223 Jun 2026#13

Having read the whole solubility limits thread before replying: the question in the first post has not actually been answered yet, and three of us have answered a nearby one instead.

15 likes 1mo
BP
bench_peakTL3Regular5 Jul 2026 · edited#14

Good question, well framed, and I would like to see it answered properly.

30 likes 23d

Read the full topic (16 posts)

Suggested topics

TopicParticipantsRepliesViewsActivity
Buffers, pH and why a formulation is a formulation
Buffers, pH and why a formulation is a formulation Writing it up because I had to work it out twice and would rather nobody else did. A formulation question rather than a pharmacological one, though the two…
BEVLGSODB+11 15 51k 21mo
Coming back to: Adsorption to container surfaces and to plastics
Adsorption to container surfaces and to plastics — setting out what I have, and where I think it stops being reliable. Adsorption — I have the observation and I do not trust my interpretation of it, so I am…
FVGEL 2 459 17mo
Preservatives: function, testing, and limits
Preservatives: function, testing, and limits — setting out what I have, and where I think it stops being reliable. An honest uncertainty about preservatives rather than a disguised assertion. I do not know…
JDMAVSNHST+23 27 3.7k 16mo
Second pass at: Buffers, pH and why a formulation is a formulation
Second pass at: Buffers, pH and why a formulation is a formulation Writing it up because I had to work it out twice and would rather nobody else did. Posting a small dataset on Buffers. It is mine, it is…
SCRPADYRC+24 28 1.5k 21mo
Lyophilisation and why the cake looks the way it does
Posting this under the heading it deserves: Lyophilisation and why the cake looks the way it does Everything below is what sits behind that. I was wrong about lyophilisation in a thread last spring and I…
DNELBATPKK+33 37 60k 6mo

Related topics — sharing the tags cloudy or discoloured solution, storage, counter-ion content

TopicParticipantsRepliesViewsActivity
Aggregates and why a purity assay may miss them entirely
Aggregates and why a purity assay may miss them entirely Writing it up because I had to work it out twice and would rather nobody else did. I would like to disagree carefully with the settled view on…
RVIDSSVKFP+61 69 2.9k 6mo
Second pass at: A reconstituted vial's beyond-use date and the reasoning behind common figures
Second pass at: A reconstituted vial's beyond-use date and the reasoning behind common figures Writing it up because I had to work it out twice and would rather nobody else did. Something changed and I would…
DVRVNKISAV+4 8 20k 8mo
Excipient function in a licensed injectable — the long version
Posting this under the heading it deserves: Excipient function in a licensed injectable — the long version Everything below is what sits behind that. A narrow question about Excipient function, deliberately…
FFJFPW 2 100 15mo
Priming a pen and whether the primed volume is wasted
Priming a pen and whether the primed volume is wasted Writing it up because I had to work it out twice and would rather nobody else did. I have spent a fortnight trying to pin priming a pen down and I want to…
ANGHCHFAFI+19 23 1.3k 2d
Transporting a vial for a weekend away — a second dataset
Transporting a vial for a weekend away — a second dataset Writing it up because I had to work it out twice and would rather nobody else did. Posting a small dataset on Transporting a vial. It is mine, it is…
JMCNTSAWAD+74 84 5.1k 1mo