BUCHI SpeedDigester K-439 - Manual (Page 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.