B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
B01L3/02—Burettes; Pipettes
B01L3/0203—Burettes, i.e. for withdrawing and redistributing liquids through different conduits
B01L3/0206—Burettes, i.e. for withdrawing and redistributing liquids through different conduits of the plunger pump type
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
B01L3/02—Burettes; Pipettes
B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
B01L3/0224—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type having mechanical means to set stroke length, e.g. movable stops
G—PHYSICS
G01—MEASURING; TESTING
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N1/00—Sampling; Preparing specimens for investigation
G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q