If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 ...

In general, liquid-liquid extraction is applied where alternative separation technologies such as distillation are uneconomical, or even unsuitable. Typical examples: Simultaneous separation of ...

Agilent's precision-engineered DB-1ht columns deliver excellent performance in a range of GC/MS applications and are manufactured to the highest levels of quality and flexibility. Nonpolar DB-1ht ...

Foreign affairs columnist and anchor of Today's WorldView, the Post's daily column and newsletter on global politics Ishaan Tharoor is a columnist on the foreign desk of The Washington Post, where he ...