Inertness to acids, bases and oxidizing agents.
ii. Easy to assemble and dissemble.
iii. A sufficient length to obtain a desired
temperature gradient.
iv. Leak-proof with unlimited capabilities to the
required temperature and pressure.
v.Rugged enough to bear high pressure and
temperature experiments for long duration, so
that no machining or treatment is needed after
each experimental run.
The most commonly used autoc