... columnmust be 0.010in for 5-mm and 10-mm packings with tubing lengths no morethan 4 6in for the 5-mm. Use 0.007-in tubing about 3in long or less for 3-mmpacking. Zero-dead-volume endcaps and connectors ... Pump-to-injector tubingis generally 0.020-in; vents, flush valve, etc. may use 0. 0 4- in. Be sure you knowwhat these look like and do not confuse them with injector tubing. In tellingtubing apart, ... the column: zero-dead-volume end-fittings, inlet and outlet tubing diameters, and detector cellvolumes. From the time the sample enters the injector until it exits the detec-tor, nothing must...