12. Procedure
12.1 Manual Apparatus:
12.1.1 Establish the cooling bath temperature at –34 6
0.5°C
12.1.2 Place the insulating ring (see 6.1.4) on the bottom of
the jacket (see 6.1.3). If spacers (see 6.1.5) are not mounted on
the insulating ring (see 6.1.4), position them approximately 15
and 75 mm above the bottom of the test jar (see 6.1.2).
12.1.3 Pour the filtered specimen (see Section 9) into the
clean and dry test jar to the mark (45 mL).
12.1.4 Close the test jar with the stopper (see 6.1.7) carrying
the pipet with filter unit (see 6.1.8) and the appropriate
thermometer (see 6.1.9). Use a low-range thermometer if the
expected CFPP is below –30°C. Thermometers shall not be