Active Metals for Chemical Adsorption

(or click Active Metals on the Sample Description tab when using Advanced presentation option)

Up to 20 elements can be specified. At least one element must have a non-zero % of sample weight.

Active Metals Fields and Buttons Table
Field or Button Description
% of Sample Weight * [column] Percentage, by weight, of each element contained in the sample.
% Reduced * [column] The percent of metal reduced during preparation.
Adsorptive [button] Click to display and modify both the adsorptives and their associated stoichiometry factor. Stoichiometry factors for each gas are metal-specific.


Stoichiometry Factor. The stoichiometry factor is defined as the moles of metal species covered per mole of adsorptive.

Atomic Cross Sect. Area (nm2) [column] Atomic cross-sectional area of the element.
Atomic Weight [column] Atomic weight of the element.
Density g/cm3 Density of the element.
Element [drop‑down box] Select or enter the active metal.
MxOy, X *
MxOy, Y *
[column]
x and y values specify the empirical formula for metal and oxygen, respectively, in a metal oxide.
* Options are shown only when using the Active Metals button on the Sample Description tab.
  For fields and buttons not listed in this table, see Common Fields and Buttons.
 
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