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EVA
User Manual
Chemical Filter
Click the Chemical filter tab to access it.
Fig. 31: Chemical Filter tab
The chemical filter is set by selecting elements in the periodic table. A color code is used to define the
“status” of each element:
Blue indicates at least one element among all the elements in blue must be present in the search
result
Green indicates that the element is mandatory
Red indicates that the elements are discarded (must be absent)
Gray indicates that the element is not checked (present or absent)
To change an element color:
Click on the element until the right color appears
ʊ or ʊ
right-click the element to open the selection menu:
The user can also select each element in the corresponding drop-down list of the element table.
It is possible to select a group of elements to be discarded. To do so:
1. Click one of the corners of the group of elements to be selected.
2. While holding down the left button, drag the mouse to select the chosen elements.
3. Release the button when the selection is complete.
To use the Windows multi-selection: keep the Control key pressed when clicking the elements.
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