Buchi SpeedDigester K-439 Manual de usuario descargar pdf (Pagina 30)

6 Operation

30 K-439 Operation Manual, Version A

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.

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Buchi SpeedDigester K-439 Manual de usuario Pagina 30