Fritsch LABORETTE 27, Operating Instructions Manual, Page: 19 / 36

6.1.2.1 Division in the ratio 1 : 8
n
Screw eight glass laboratory bottles into the dividing head (eight 250
mL or 500 mL bottles with GL55 glass screw thread, depending on
sample quantity).
n
Place the lid on the dividing head.
n
Insert a suitable funnel.
Insert a funnel suitable for the sample. The diameter of the
funnel neck should be at least twice the particle size of the
sample.
6.1.2.2 Division in the ratio 1 : 10
n
Screw 10 glass laboratory bottles into the dividing head (10 250 mL
bottles with GL55 glass screw thread, depending on sample quan-
tity).
n
Place the lid on the dividing head.
n
Insert a suitable funnel.
n
500 mL glass bottles cannot be used.
6.1.2.3 Division in the ratio 1 : 30
n
Screw three sample bottles into the dividing head (three 15 mL, 20
mL or 30 mL bottles, depending on sample quantity).
n
Insert and lock in place three collection pans (pull pin down, insert
pan and release pin) (see Ä Chapter 6.4 ‘Taking samples’
on page 22).
n The collection pans collect from 9 sample channels each with
approx. 30 % of the fill amount.
n
Place the lid on the dividing head.
n
Insert a suitable funnel.
Using the device
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