UNKNOWN K-RATIO
The unknown k-ratio is defined as the product of the raw k-ratio and the standard k-factor. It is always a fraction, since the pure element is 1.0. See also raw k-ratio, k-factor and ZAF. The expression is :
where
:
is the unknown intensity for element A at λ
is the standard intensity for element A at λ
is the concentration of the element in the standard
is the ZAF correction for the element in the standard