Betekenis van:
reflux

Voorbeeldzinnen

1. Fit a reflux condenser to the Erlenmeyer flask.
2. Heat to boiling and allow to reflux for 5 minutes.
3. 100 or 250 ml round bottomed flask fitted with a reflux condenser.
4. Non-potable water is not to connect with, or allow reflux into, potable water systems.
5. Fit a reflux condenser to the Erlenmeyer flask. Boil for exactly 10 minutes.
6. Cover the beaker with a watch glass or fit the conical flask with a reflux condenser.
7. Tail gas (petroleum), catalytic cracked clarified oil and thermal cracked vacuum residue fractionation reflux drum;
8. 250 ml Erlenmeyer flask with standard ground-glass joint and with reflux condenser.
9. Cylinder of at least 270 ml with a reflux condenser, suitable for boiling.
10. Fit the reflux condenser and heat at approximately 75 °C for 30 minutes.
11. 150 ml saponification flask fitted with a reflux condenser having ground-glass joints
12. If fitted with a siphon (Soxhlet apparatus), the reflux rate shall be such as to produce about 10 cycles per hour; if of the non-siphoning type, the reflux rate shall be about 10 ml per minute.
13. Fit a reflux condenser to the Erlenmeyer flask and immerse the latter in a boiling water bath.
14. Tail gas (petroleum), catalytic cracked clarified oil and thermal cracked vacuum residue fractionation reflux drum; Petroleum gas
15. Tail gas (petroleum), catalytic cracked clarified oil and thermal cracked vacuum residue fractionation reflux drum (Cas No 68478-21-7), if it contains > 0,1 % w/w Butadiene