Mohr pipette

A Mohr pipette, also known as a graduated pipette, is a type of pipette used to measure the volume of the liquid dispensed, although not as accurately as a volumetric pipette.{{Citation

|page=24

|title=Illustrated guide to home chemistry experiments: all lab, no lecture

|author=Robert Bruce Thompson

|publisher=O'Reilly Media

|year=2008

|isbn=978-0-596-51492-1

| accessdate = 2011-04-02

| url = https://books.google.com/books?id=DuJLYq4IkL0C&dq=Mohr+pipette&pg=PA24

}} These use a series of marked lines (as on a graduated cylinder) to indicate the different volumes.{{Citation

|page=75

|series=Water Supply Operations Training Series

|edition=3

|publisher=American Water Works Association

|year=2003

|isbn=978-1-58321-232-5

| title = Water quality - Google Books

| accessdate = 2011-04-02

| url = https://books.google.com/books?id=hUH0lb72K4EC&dq=Mohr+pipette&pg=PT92

}} They come in a variety of sizes, and are used much like a burette, in that the volume is found by calculating the difference of the liquid level before and after.

The last graduation mark is some distance from the tip, to avoid errors in measuring the narrower volume of the nozzle.{{Cite book

| title = Med Lab.Technology

|page=67

|volume= 1

|author=Mukherjee

|publisher=Tata McGraw-Hill Education

|year=2001

|isbn=978-0-07-463260-4

| accessdate = 2011-04-02

| url = https://books.google.com/books?id=lc1sEUnsRH0C&dq=Mohr+pipette&pg=PA67

}}

It was invented by Karl Friedrich Mohr, the father of volumetric analysis.