title: Quality assurance challenge 2.
abstract: We would like to invite you to participate in the Analytical Challenge, which is a series of puzzles designed to entertain and challenge our readers. The special ABC feature 'Analytical Challenge' 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 ABC homepage at www.springeronline.com/journal/00216. Test your knowledge and tease your wits in diverse areas of analytical and bioanalytical chemistry by viewing this collection. Quality assurance is the topic of the present challenge. And please note: there is a prize to be won (a Springer book from our catalogue up to a value of euros 75,-). Please read on...
authors.affiliation: Institute of Inorganic and Analytical Chemistry, Friedrich-Schiller-University, Lessingstrasse, 07743 Jena, Germany.
authors.forename: Manfred
authors.initials: M
authors.lastname: Reichenbächer
authors.forename: Jürgen W
authors.initials: JW
authors.lastname: Einax
mesh_terms: D015374:Biosensing Techniques / Q000295:instrumentation / Q000379:methods*; D002138:Calibration; D002624:Chemistry, Clinical / Q000295:instrumentation / Q000379:methods*; D011786:Quality Control; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity