While in the Analysis” window, go to the top toolbar and click the drop-down “Data “Calc” menu. on the item. You will see a window like this. Two red will also appear at either “Onset” “X”s end of the data. Click and drag each so that they frame the onset. “X” Click the button. Two blue tangent lines will appear. “Calculate” Click and drag the red at the end of each tangent line so that they 1) run parallel to the local “X” data and 2) cross each other. the button. The onset data will appear on the graph. You can click and drag the “Calculate” text box if it is hard to see. If the feature is weak or the onset is gradual, it may be necessary to repeat this measurement. When repeating step 4, place the in slightly different positions and see if the onset “X”s temperature changes. Glass Transition Temperature (Tg) Zoom in on the area of interest. While in the Analysis” window, go to the top toolbar and click the drop-down “Data “Calc” menu. Click on the item. You will see a window like the one below. Two red will also appear “Tg” “X”s at either end of the data. Click and drag each so that they frame the transition. “X”
While in the “Data Analysis” window, go to the top toolbar and click the “Calc” drop-down menu. on the “Onset” item. You will see a window like this. Two red “X”s will also appear at either end of the data. Click and drag each “X” so that they frame the onset. Click the “Calculate” button. Two blue tangent lines will appear. Click and drag the red “X” at the end of each tangent line so that they 1) run parallel to the local data and 2) cross each other. the “Calculate” button. The onset data will appear on the graph. You can click and drag the text box if it is hard to see. If the feature is weak or the onset is gradual, it may be necessary to repeat this measurement. When repeating step 4, place the “X”s in slightly different positions and see if the onset temperature changes. Glass Transition Temperature (Tg) Zoom in on the area of interest. While in the “Data Analysis” window, go to the top toolbar and click the “Calc” drop-down menu. Click on the “Tg” item. You will see a window like the one below. Two red “X”s will also appear at either end of the data. Click and drag each “X” so that they frame the transition.