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c/labresults·submitted 10 months ago by u/anders_karlsen

[PSA] Janoshik is not what most of this community thinks it is

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Janoshik is not what most of this community thinks it is. If you already knew this, the post is not for you and you can scroll on. FGP BPC, batch matched the paperwork, Janoshik came back 97.7% against a claimed 97.0%. Paid for it myself, posting it because the log is only worth anything if people do. Chain of…

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8 comments, started 10 months ago
u/lina_almeida76 points·10 months ago

If the report gives a mass spectrum as well as UV purity, say so. Identity and relative quantity are separate claims and the log tracks both.

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u/mod_ambulatoryadmin52 points·10 months ago

Sent a vial in specifically to check a supplier’s claim after a good experience. It matched. Boring result, worth logging.

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u/noor_vermeulen66 points·10 months ago

split a vial across two services once and you will never argue about ground truth again

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u/mei_cardoso31 points·10 months ago

Do you have the trace, or only the summary?

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u/refund_ledger7 points·10 months ago

QYB came back 97.4% on a claimed 97.0%, which is agreement not a discrepancy

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u/ismael_eriksen26 points·10 months ago

Same. The WXT results have been sitting in a tight band across lots, which is the useful shape.

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u/gustav_cardoso17 points·10 months ago

Careful with the trend claim. Four results over two years is a very sparse series to draw a line through.

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u/hedda_aguirre21 points·10 months ago

results without method are gossip with decimals

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