LJankowiak
TL3 Regular · Madrid, ES
Laboratory background. Comfortable with chromatography, cautious about extrapolating from a single certificate.
Joined 23 November 2024 · last posted 2h · groups: analytical-chemists
27 of 62 badges earned.
Getting started
WelcomeReceived your first like on a post.Granted 26 Nov 2024Read the GuidelinesRead the community guidelines end to end.Granted 28 Nov 2024First ReplyReplied to a topic.Granted 2 Dec 2024First LinkLinked to another topic or document.Granted 2 Dec 2024First TopicCreated your first topic.Granted 10 Dec 2024First QuoteQuoted another member accurately.Granted 21 Dec 2024ReaderRead every post in a topic of more than 100 posts.Granted 21 Dec 2024First TagApplied a tag to your own topic.Granted 8 Jan 2025
Posting
Nice PostReceived 10 likes on a single post.Granted 29 Dec 2024GenerousUsed all of your daily likes.Granted 20 Jan 2025Nice TopicA topic you created received 10 likes on its first post.Granted 27 Jan 2025EditorEdited one of your own posts for accuracy.Granted 5 Feb 2025Good PostReceived 25 likes on a single post.Granted 21 Feb 2025Thank YouReceived 20 likes after giving 10.Granted 26 Jun 2025
Analytics
First ChromatogramPosted a chromatogram with its method stated.Granted 25 Feb 2025Submitted a SampleSubmitted a sample for independent testing and published the result.Granted 13 Jun 2025Mass AccuracyCorrectly calculated a mass error in ppm and explained its limits.Granted 16 Jun 2025Reads a COACorrectly interpreted a certificate of analysis in public.Granted 25 Jul 2025Method FirstAsked for the method before discussing a purity number, ten times.Granted 7 Sep 2025