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c/hplc·submitted 1 year ago by u/nabila_espinoza

[Discussion] chromatogram is doing more work than we give it credit for

Discussionbranch of 16 comments

Genuinely asking, not being difficult. Everyone in c/glp1uk repeats that method development is important. I believe it, but I have never seen anyone show why, and when I search I get 3 threads of people agreeing with each other. Is there a paper? Is there a measurement? Or is this one of those things that is true…

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16 comments, started 1 year ago
u/sig_figs_samMOD938 points·1 year ago

Removed a chain here. The rule is one line long and it is not negotiable.

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u/hugo_bergstrom389 points·1 year ago

What was the column and what gradient?

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u/downvote_magnet296 points·1 year ago

instrument quality is less important than analyst consistency

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[deleted]147 points·1 year ago

[deleted]

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u/first_hundred40 points·1 year ago

axis labels included, always

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u/nabila_espinozaOP106 points·1 year ago

[deleted]

Adding to this: gradient is doing more work than the comment implies.

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u/peak_area_peteanalytical134 points·1 year ago·edited

Injection volume and flow rate? Those affect resolution.

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u/ferran_krastev779 points·1 year ago

related substances are where the story lives, not the main peak

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u/enzo_petrescu589 points·1 year ago

Small correction: the trial was 6 weeks, not 9. Does not change your point but people will quote it.

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u/nora_lundgren174 points·1 year ago

Small correction: the trial was 6 weeks, not 9.

Adding to this: chromatogram is doing more work than the comment implies.

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u/cagrilintide_enthusiast375 points·1 year ago·edited

Yeah, the chromatogram profile matters more than the headline number.

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