Manual

BÜCHILabortechnikAG Installation|5
UltrasonicController 27/46
5.4 Feedtube,selection
1. Chooseafeedingtubefromthetablebelow.
NOTE
Forshortprocesses,evenunsuitabletubescanbeused,asswellingtakes
sometime.
Solvent Siliconetube Tygon
®
MH2075 Tygon
®
F4040A
Methanol • • •
Ethanol • • •
Acetone – • –
Toluene – – –
Isopropanol • • •
Chloroform – – –
Dichlormethane – – –
Tetrahydrofuran – – –
Ethylacetate – • –
Hexane – – •
Table1:•=suitable|–=unsuitable
5.5 Liquidfeedrate,adjustment
1. Adjustthefeedrateaccordingtothefollowingsettingsaccordingtothe
desiredrequirement:
• Possibleliquidfeedrateusingultrasonicnozzle1–9mL/min(3–30%).
• Recommendedfeedratewithaqueousfeeds2.5–3.2mL/min(8–10%).
5.6 Coolinggas,adjustment
Adjusttheflowrateofthecoolinggasusingtheneedlevalveattheflowmeter
oftheB290.
Thetemperatureoftheultrasonicnozzleshallalwaysbebelow100°C.Ifthe
temperatureoftheultrasonicnozzlerises(thetemperaturecanbecheckedon
theupperdisplayoftheultrasoniccontroller),theflowrateofthecoolinggas
needstobeincreased.