Astm E562-19e1

Pi=(PcPT)×100cap P sub i equals open paren the fraction with numerator cap P sub c and denominator cap P sub cap T end-fraction close paren cross 100 Pccap P sub c

It requires minimal specialized equipment—only a standard microscope and a transparent grid overlay. astm e562-19e1

Points falling completely inside the phase of interest count as . Points falling on the boundary of the phase count as 0.5 . Points falling outside the phase count as 0 . Pi=(PcPT)×100cap P sub i equals open paren the

: Count as 0.5 . Point falls outside the phase : Count as 0.0 . Statistical Calculations astm e562-19e1