<complexType name="AreaPerAmountOfSubstanceMeasureType">
<annotation>
<documentation>Molar surface area: Surface area per mole of substance. Used in surface chemistry, catalysis, and materials characterization (specific surface area). Common units include m²/mol.</documentation>
</annotation>
<simpleContent>
<extension base="diggs:DescriptorValueType">
<attribute name="uom" type="diggs:AreaPerAmountOfSubstanceUomEnumType">
<annotation>
<documentation>The unit of measure for molar surface area.</documentation>
</annotation>
</attribute>
</extension>
</simpleContent>
</complexType>
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