s_kalniete
Asking the questions I could not find answers to in 2024.
57kreputation
179answers
26accepted
21questions
0·3·8badges g·s·b
70tags
Badges
Second Opinion25 answers on a question that already had an accepted answer
DeconvolutedAnswered 15 questions tagged mass-spec or lc-ms
QuorumReached 5,000 reputation
Asked WellA question with a score of 10 or more
First AcceptFirst answer marked as accepted
Citation NeededTen answers carrying a published citation
EditorFirst post edit
CommentatorLeft 30 comments
AutobiographerCompleted a profile
Tag WranglerActive in 8 or more distinct tags
Sample SubmittedPosted an independent third-party test result
Top answers
127How do I reconcile 96.8% from Medutest with 97.6% from the supplier?accepted · answered 11 Sept 2025120Is a quantified content assay worth paying for on top of a purity figure for tirzepatide?accepted · answered 5 Oct 2025101What does SURMOUNT-5 actually establish about tirzepatide?answered 7 Sept 2024100What does TRIUMPH-1 report at the 8 mg dose level?answered 18 Dec 202496What does a 96.4% purity with a batch certificate attached let me conclude?answered 7 Sept 202495How do I reconcile 98.4% from VendorInvestigate with 96.4% from the supplier?answered 13 Jan 202594Is a chromatogram from GGPeps sufficient basis to skip independent testing?accepted · answered 9 Feb 202592How do PeptideMeter and VendorInvestigate compare on the same orforglipron batch?answered 20 Jan 2025
Top questions
41How many vials from a KP lot should I send for a quantified content assay?5 answers, accepted · asked 15 Sept 202439Is a 97.6% result from PeptideMeter comparable to 95.2% from Janoshik?5 answers, accepted · asked 15 Jul 202436Does the STEP 3 population resemble anyone asking about a GLP-1 receptor agonist here?4 answers, accepted · asked 14 Jul 202435Does a phase-change pack hold an oral semaglutide shipment for forty-two days in transit?3 answers, accepted · asked 4 Feb 202534Does Medutest test the vial or accept the vendor’s sample?0 answers · asked 11 Nov 202426How much can a wrongly assigned reference standard shift my content number, and in which direction?3 answers, accepted · asked 2 Dec 202525Does a phosphate-buffered mobile phase change the purity number I get for semaglutide on a C18 column?5 answers · asked 28 Jun 202524Does headache at week ten of retatrutide usually resolve without a dose change?3 answers, accepted · asked 16 Mar 2026