top of page
Test your analytical detective skills with our challenges, then check back next month for the full solution. ​
Members are invited to contribute their own puzzles and case studies!
Analytical Challenges
Filter by Tags
🔬 Escape Lab
A step-by-step challenge where each answer reveals the next clue.
💡 Open Problem
A single challenge with complete freedom in how you investigate and present your solution.
Challenge #1
Escape Lab
A colleague from a formulation lab drops off an unlabelled sample and asks what it is. You run it by MALDI-TOF (reflectron, positive ion, DHB matrix, no salt added). The instrument is internally calibrated to about 5 ppm.
Three questions, each building on the last.
bottom of page