A meeting was held to discuss this disaster; among the attendees were Bjørn Ibsen, an anesthesiologist, and Poul Astrup, chief of the hospital laboratory. Ibsen realized that marked carbon dioxide ...

An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

THIN-LAYER chromatography on cellulose layers has been shown to be an effective method for separation and quantitative determination of nucleic acid bases, nucleosides and nucleotides 1–5 which has ...