Isotope decay

A worked example with every step shown, and where it usually goes wrong.

Ten problems with worked solutions, every answer computed by this calculator.

Antoine vapor pressure of a solvent, and the boiling point at each vacuum setpoint.

Identify a 1H peak from its shift, or look up where a known compound appears (Fulmer table).

Convert electrophoretic mobility to zeta potential (Henry / Smoluchowski / Huckel).

Scale flow, injection, and gradient between columns, with void volume and dead time.

Convert Torr, atm, psi, cal, eV, poise, dyne and other legacy units to SI.

Turn weighed water masses into accuracy and precision against the nominal volume.