Construction of an Inexpensive Autotitrato~ConstantRate Buret Recently, severs1 articles have appeared on semi-automated titrations using various constant flowburetsin conjunction with a stripchart recorder.' Since the titrant delivery rate (mllmin) and the recorder chart speed (min/in.) are both known. the recorder time axis becomes the titrant volume sxis or, since the molaritv of the titrant is known method. the titer sxis., i:e.., mmole/in. While these techniaues are more convenient than the usuai noint-by-noint .. ritrxti8m error.+ van 1 ~ 4 f1r l l l t > d i ~ h vt ~ r l ~ t i 0 lin l l Pilh~rthe chart qwnl r,r delivery rate .&r the?? plmmcrcr.. are ~ ~which rthe the rn
