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c/hplc·submitted 3 months ago by u/honest_syringe_pls

[Question] method development — what am I missing here

Questionbranch of 6 comments

Been lurking in c/t2dglp1 for about 3 months and finally have something worth posting. Short version: week 4, 10mg, and HPLC is the bit I still cannot get a straight answer on. I have read the wiki, I have read the last 19 threads, and the answers split roughly down the middle. What I actually want to know is whether…

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6 comments, started 3 months ago
u/honest_syringe_pls31 points·3 months ago

Strongly agree. Largest single impurity tells a different story than total purity.

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u/rasmus_petrescu8 points·3 months ago

Small correction: the trial was 23 weeks, not 33. Does not change your point but people will quote it.

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u/micro_bump_mick38 points·3 months ago·edited

Inter-lab variance on this kind of assay is routinely 1–2 points. Different column, different gradient, different integration.

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u/reflux_report18 points·3 months ago

integration decision on a shoulder changes your number by half a point on its own

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u/first_hundred6 points·3 months ago

Did they post the raw trace or just the summary?

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u/ravi_bergstrom13 points·3 months ago

This is the correct method framing. Column and gradient are load-bearing fields.

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