ppm_error
TL3 Analytical chemist · Graz, AT
Wrote the mass-error checker on this site. Mass error is necessary and nowhere near sufficient.
Joined 5 October 2024 · last posted 3d · groups: analytical-chemists, wiki-editors
33 of 62 badges earned.
Getting started
First ReplyReplied to a topic.Granted 11 Oct 2024Read the GuidelinesRead the community guidelines end to end.Granted 11 Oct 2024First LinkLinked to another topic or document.Granted 13 Oct 2024WelcomeReceived your first like on a post.Granted 25 Oct 2024First TopicCreated your first topic.Granted 2 Nov 2024First QuoteQuoted another member accurately.Granted 7 Nov 2024First TagApplied a tag to your own topic.Granted 5 Dec 2024ReaderRead every post in a topic of more than 100 posts.Granted 23 Dec 2024
Posting
GenerousUsed all of your daily likes.Granted 2 Nov 2024Good TopicA topic you created received 25 likes on its first post.Granted 25 Dec 2024Nice TopicA topic you created received 10 likes on its first post.Granted 6 Jan 2025Good PostReceived 25 likes on a single post.Granted 8 Jan 2025Nice PostReceived 10 likes on a single post.Granted 11 Jan 2025EditorEdited one of your own posts for accuracy.Granted 26 Feb 2025Thank YouReceived 20 likes after giving 10.Granted 24 Jun 2025
Documentation
First Wiki EditEdited a community wiki post.Granted 10 Dec 2024Wiki EditorMade 25 wiki edits with revision notes.Granted 25 Jan 2025ReviewerReviewed a document draft before promotion.Granted 18 Feb 2025Citation CheckerVerified 20 citations against their sources.Granted 22 Sep 2025Wiki MaintainerNamed as maintainer of a document in the documentation commons.Granted 26 Oct 2025
Analytics
First ChromatogramPosted a chromatogram with its method stated.Granted 25 Jan 2025Submitted a SampleSubmitted a sample for independent testing and published the result.Granted 25 Jan 2025Mass AccuracyCorrectly calculated a mass error in ppm and explained its limits.Granted 11 Mar 2025Reads a COACorrectly interpreted a certificate of analysis in public.Granted 11 May 2025Method FirstAsked for the method before discussing a purity number, ten times.Granted 17 Jul 2025