Buchi SpeedDigester K-439, Руководство по эксплуатации

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6 Operation
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K-439
Operation Manual, Version B
6 .6 .3 Methods menu
The software of the SpeedDigester K-439 provides 20 predefined Buchi methods, which can be used
for immediate digestion and as a basis for method development. Their names are always written in
lower case letters. They cannot be deleted but modified and stored under a new name.
When customer methods are available, the Buchi methods are always listed behind them.
Buchi methods
The following Buchi methods are available, e.g.:
• animal feed (for e.g. cat feed, dog feed)
• beer (for e.g. lager, wheat beer)
• beverages (for e.g. juices)
• cereal products (for e.g. flour, bran)
• chocolate (for e.g. dark and milk chocolate)
• creme (for e.g. copper lotion, face cream)
• dairy products (for e.g. milk, cheese, cream cheese)
• egg
• fertilizer (for e.g. solid and liquid fertilizers)
• function test (OQ)
• meat products (for e.g. salami, boiled sausage)
• micro kjeldahl (for e.g. milk)
• npn / ncn in milk
• nuts (for e.g. hazelnuts, almonds)
• pasta (for e.g. tortellini)
• pharma products (for e.g. tablets, drops)
• soy and tofu (for e.g. soy milk, soy sauce)
• tkn 300 (100 ml) (for e.g. water, waste water)
• tkn 500 (250 ml) (for e.g. water, waste water)
• whey powder (for e.g. WPC, whey powder)
In the following the definition of the method dairy products is listed as an example:
Preheat:
480 °C
Step 1: 480 °C 10 min
Step 2 550 °C 10 min
Step 3 490 °C 65 min
Step 4 50 °C 0 min (not used)
Cool down 80 min
Note
For all Buchi methods a cool down time of 80 minutes is defined in case the customer cools his
samples within the heating chambers. If the samples are cooled in the cooling postion, a cool down
time of 30 minutes is sufficient and the corresponding Buchi method can be adapted accordingly
and saved under a new name.