Mantis 5000 Dokumentacja Pobierz pdf (Strona 24)

Figure 20. Insert the powder cell into the small sample holder.

8. Tighten the screw on the small sample holder to secure the powder cell.

Figure 21. The powder cell fitted into the small sample holder, note that the textured

edge of the powder cell sits flush with the edge of the small sample holder. The screw

to the right of the powder cell is used to secure the powder cell.

8. You must now check the alignment of the attachment

9. You can use the powder cell to perform reflectance measurements

. However

follow this procedure to collect a baseline.

a) Place a PTFE standard into the powder cell.

b) Click the Zero/Baseline button in the Scan application and collect a 100% T

baseline.

c) Remove the powder cell (containing the PTFE reference), leaving the reflectance

port open.

d) Collect a 0% T baseline. When the 0% baseline is completed the ordinate status

display in the top left corner of the Scan application will show "Zero baseline" in red

text.

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Mantis 5000 Dokumentacja Strona 24