• New Stainless Steel Version of Metrohm 844 UV/VIS Compact IC Used to Assay Caffeine in Over-the-counter Tablets

Laboratory products

New Stainless Steel Version of Metrohm 844 UV/VIS Compact IC Used to Assay Caffeine in Over-the-counter Tablets

Metrohm has launched a new version of the 844 UV/VIS Compact Ion Chromatograph in stainless steel complete with a column oven. The new device is especially suited as an alternative low-cost and simplified way of assaying many pharmaceutical or food/beverage-based products using photometric detection.
One such application is the analysis of caffeine in over-the-counter
tablets. It can be performed isocratically simply using a phosphate/methanol mobile phase. Analysis of tablets is relatively simple; one tablet is dissolved in a known quantity of ultrapure water and run against a previously recorded caffeine calibration curve. The caffeine is detected on the ProntoSil C18 column in less than 6 minutes at a wavelength of 280 nm using the IC Net controlling software.

Digital Edition

Lab Asia 31.6 Dec 2024

December 2024

Chromatography Articles - Sustainable chromatography: Embracing software for greener methods Mass Spectrometry & Spectroscopy Articles - Solving industry challenges for phosphorus containi...

View all digital editions

Events

Smart Factory Expo 2025

Jan 22 2025 Tokyo, Japan

Instrumentation Live

Jan 22 2025 Birmingham, UK

SLAS 2025

Jan 25 2025 San Diego, CA, USA

Arab Health

Jan 27 2025 Dubai, UAE

Nano Tech 2025

Jan 29 2025 Tokyo, Japan

View all events