A rubber policeman is a hand-held flexible natural-rubber scraper attached to a
glass rod used ... They are not the same as rubber scrapers. Rubber policemen ...
www.che.uc.edu/Jensen/W. B. Jensen/Reprints/146. Rubber Policeman.pdf
Question. What is the origin of the rubber policeman and why is it called a ...
beaker. In using a glass rod to pry loose a compact ... hole in the bottom of the
beaker, whereas use of a glass .... the military they would often be ordered to “
They are often made from rubber, but plastic ones can also be found. ... Glass
stirring rods are often used in chemistry because they are mostly inert (with the ...
Product Description. Stirring rods made of soft glass, with both ends rounded ...
United Scientific GRPL06 Glass Stirring Rods with Pre-Assembled Rubber
Policeman, 152.4mm ... I only wish it was easier to get the rubber policemen off
the ends easier. ... Not sure if they can be autoclaved, but traditional clean-up is
Jan 21, 2013 ... Beaker: Glass or plastic; common sizes are 50-mL, 100-mL, 250-mL, 400-mL;
glass beakers ... Watch glass: Glass, used to cover an evaporating dish or beaker
. .... These days, they just contain alcohol that's been dyed red. ... Stirring rod and
rubber policeman: Glass with rubber sleeve; used to stir, assist in ....
Glass stir rods are manufactured with soft borosilicate glass with both ends
rounded. They come with a pre-assembled, removable rubber policeman for ...
... Application we are not liable. Again they are not for or on Human / Animal use /
testing. ... 12 Inch (300mm length x 5mm OD) flint glass stirring rods with polished
ends, with pre-assembled Rubber Policeman. You can also buy these stirring ...
Beaker. A cylindrical piece of glassware with coarse markings. Used to hold
liquids, but should not be used for measurements of ... A clear, rectangular vessel
of glass or plastic used to hold solutions for spectrometry. ... Rubber policeman.
THEY ARE NOT FOR USE BY CHILDREN 12 & UNDER. Images and ... Note: No
stir rods are included, the picture represents functionality of rubber policeman.
Water; Dispensing Reagent Solutions; Stirring Rods; Adjusting pH; Precipitation
... Stirring rods can be prepared by cutting short lengths of thin glass rod and ... If
you need to manipulate a solid, use a rubber policeman on a stirring rod.