A chemical uncertainty principle challenge

We would like to invite you to participate in the Analytical Challenge, which is a series of puzzles to entertain and challenge our readers. This special Analytical and Bioanalytical Chemistry feature has established itself as a truly unique quiz series, with a new scientific puzzle published every second month. Readers can access the complete collection of published problems with their solutions on the Analytical and Bioanalytical Chemistry homepage at http://www.springer. com/journal/00216. Test your knowledge and tease your wits in diverse areas of analytical and bioanalytical chemistry by viewing this collection. In the present challenge the uncertainty principle is the topic. And please note that there is a prize to be won (a Springer book from our catalogue up to a value of €75). Please read on...