Buchi SpeedDigester K-439 - Preparing the System and Tubes

6 Operation
36 K-439 Operation Manual, Version B
6.6.5 History menu
The data of the last three digestions can be viewed/checked within the History menu
For this purpose select Main Menu > History. The History screen appears.
You can now navigate through the available digestion data using the Prev or Next button.
To view the set and actual temperature of a certain time within the digestion process use the ± buttons
to move forward or backward on the progressive diagram.
6.7 Preparing of SpeedDigester, suction module(s) and sample tubes
Section 6.7.1 and 6.7.2 describes the standard procedure for preparing a rack with sample tubes of
300 ml or 250 ml. When 500 ml tubes are being used, additionally refer to section 6.7.4.
Note
A rack may achieve a weight of up to 7.5 kg when loaded with samples and equipped with a suction
module. Be prepared for the weight when lifting a rack!
!
WARNING
Serious chemical burns by corrosives and peroxides.
• Observe supplementary data sheets of all used chemicals
• Handle corrosives and other chemicals in well ventilated environments only
• Always wear protective goggles
• Always wear protective gloves
• Always wear protective clothes
• Do not use damaged glassware
• Use only glassware from qualied vendors (see 2.5.4)