the recipe for a glaze is converted into a unity formula that formula
may be compared with the limit formula for the firing range of the
comparisons can reveal problems arising from excessive or insufficient
levels of particular oxides.
graphic displays for such comparisons plotting the recipe being
examined on graphs showing the limit formula for the preset firing
The unity formula
for Nicki's Blue Celedon is shown on the right.
Look at Nicki's
Blue Celedon on Matrix's Limits graphs set to C.12.