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

6 months in and gradient is still the thing I get wrong

Explainerbranch of 7 comments

I have had 15 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 16 days on nominally the same lane, which matters more in summer than in February. The independent number came back 98.4% against a claimed…

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7 comments, started 3 months ago
u/niels_lindqvist94 points·3 months ago

Not convinced. The evidence does not support that reading.

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u/two_mil_or_one79 points·3 months ago

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

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u/hamza_weiss46 points·3 months ago

a round-robin on baseline integration would be genuinely useful

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u/aksel_palacios28 points·3 months ago

a round-robin on baseline integration would be genuinely useful

Disagree on that part. 99.0% and 98.9% on the same vial is normal.

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u/fatima_yildiz20 points·2 months ago·edited

the detector wavelength matters more than people think

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u/arne_nyberg23 points·3 months ago

a round-robin on baseline integration would be genuinely useful

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

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u/coa_janitormod · c/coa19 points·2 months ago

axis labels included, always

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