Soil lyophilizer vacuum freeze drying steps

Soil lyophilizer vacuum freeze drying steps:

equipment: TF - 陕西林业局。 2 samples of the lyophilizer: soil

1. Sample preparation, will collect soil samples collected from non-metallic containers sealed;

2. According to the sample space requirements, place the soil sample material disc;

3. 。 Inside the lyophilizer, began to refrigeration, precool under the low temperature;

4. After the precool, perform drying procedures; Can be called directly embedded drying procedures;

5. Dry after collecting soil samples, the lyophilizer vacuum sealed;

6. Downtime, frost clean.