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c/hplc·submitted 2 years ago by u/dizzy_on_standing

tried gradient for 23 weeks. here is what happened.

Explainerbranch of 6 comments

I have had 11 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied by about 40 days on nominally the same lane, which matters more in summer than in February. The independent number came back 93.7% against a claimed…

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6 comments, started 2 years ago
u/andres_restrepo5 points·2 years ago

I love that this community will spend 40 comments on a detail. That pedantry is why the numbers here matter.

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[removed]4 points·2 years ago

[removed by moderator]

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u/hana_lehtinen3 points·2 years ago

Detection wavelength? chromatogram and that changes at different wavelengths.

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u/cormac_roos2 points·2 years ago

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

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u/amara_haddad1 point·2 years ago

area% and mass% are not the same and this whole post conflates them

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u/dizzy_on_standingOP1 point·2 years ago

The VendorInvestigate result being close to my own HPLC is the signal, not the absolute number. Both are right.

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