Arometrix FRACTION FINDER User Manual - Page 9

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Overview

1) Set Up Distillation System and Install Fraction Finder Equipment (as detailed in Section 4)

2) Set Integration Time to Auto

3) Set Scans to Average to 5

4) Identify Transition from Heads to Main Body

5) Perform Flask Transfer & Let Distillation System Equilibrate

6) Identify Transition from Main Body to Tails

7) Perform Flask Transfer & Let Distillation System Equilibrate

8) Turn off Recording

Step 1) Set Up Distillation and Install Fraction Finder Equipment

1) Set up your short path distillation system as you usually would initially

2) Follow all steps in Section 4 Installation

a. Reminder: Ensure that the Device Status and Server Status indicator on the bottom of the

display are green.

b. Reminder: Ensure that the light is on. If the light is not on, turn it on and wait for the

indicator light above the button to turn green.

3) Let the distillation system reach desired vacuum temperature and pressure

Step 2) Set Integration Time to Auto

To set sensor Integration Time: Tap the Settings gear icon. Tap "Set Integration Time". There is an AID

(Auto) checkbox on the bottom-left corner of the UI. Tap the checkbox - a check will appear, indicating that

auto-integration determination has been enabled. This is strongly recommended as it will auto-determine

an optimal integration time for the sensor throughout the entirety of the distillation. It is not

recommended to manually tune Integration Time, but it is feasible. See Appendix.

Step 3) Set Scans to Average to 5

To set sensor Scans to Average: Tap the Settings gear icon. Tap "Set Scans to Average". A typical value

between 1 and 5 – It is strongly suggested that the scans to average is not set significantly larger than this

value.

Step 4) Identify Transition from Heads to Main Body

While you are in "Heads", you should see ONE single peak at ~365 nm (x-axis) on the Spectrum view. This

is NOT a process indicator. This is the internal reference peak that the system uses.

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