The ECP packed column is based on current state-of-the-art extraction research. The column consists of a packed bed, distributors for the two liquid phases and, optionally, a pulsator. The special ...
Agilent J&W Scientific GC columns offer the highest quality and performance of any GC columns on the market today. From the lowest bleed levels and the best inertness for acid, base, and mixed ...
A roundup of the most-read Carolyn Hax columns of 2025 includes a woman’s birthday obsession, a flight-tracking in-law and a petty inheritance decision. Carolyn Hax writes a daily advice column for ...
Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...