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c/vendorvetting·submitted 5 months ago by u/thermal_mass_tom

[Meta] proposal — a flair for VendorInvestigate posts

Questionbranch of 10 comments

proposal — a flair for VendorInvestigate posts — posting the reasoning in public because a policy you cannot inspect is just a preference. Started buying small deliberately, tested every lot for the first four, then stopped testing every lot because there was nothing to find. Kept a spreadsheet of quoted versus…

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10 comments, started 5 months ago
u/naomi_ekstrom61 points·5 months ago

Lead time and minimum quantity are the two facts people forget to ask for and then argue about later. Both are answerable in one email before you commit.

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u/sig_figs_sammod · analytical15 points·5 months ago

buy small first, test it, then decide

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u/purity_pedantanalytical4 points·5 months ago·edited

What did they say when you asked for the method line?

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u/matias_falk0 points·5 months ago

What did they say when you asked for the method line?

This is the whole method in one sentence. Everything else in the thread is elaboration.

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u/sterile_field_steph4 points·5 months ago

the lot on the vial has to match the lot on the certificate, every time

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[deleted]22 points·5 months ago

[deleted]

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u/thermal_mass_tomOP10 points·5 months ago

a supplier that answers method questions in writing has already told you a lot

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u/liv_kuipers7 points·5 months ago

The thing that decided it for me was that QST answered a column-and-gradient question in writing without asking why I wanted to know.

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u/titration_marshalmod · c/semaglutide8 points·5 months ago

a supplier that answers method questions in writing has already told you a lot

Adding the practical version: ask for lead time, minimum quantity and the batch record in the same message. Three answers, one email.

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u/dilara_weiss5 points·5 months ago

Yes, and the reason the wider-market table has no scores is that a score built on two reports would be a lie with a decimal point.

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The community due-diligence desk. Vendor experiences, independent third-party test results, shipping and reship records, and the boring paperwork that separates a supplier from a story. Every substantive claim is expected to carry a receipt: an order id, a dated screenshot, or a test report from Janoshik, Medutest, PeptideMeter or VendorInvestigate.

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