This essentially is the reverse of the calculation process used
in the Recipe-to-Formula process.
involves sensible selections of raw materials on the basis of your
knowledge of the oxide content of the material.... a knowledge of
raw materials is very important.
When a recipe
is created from a unity formula it's raw materials and quantities
may depending on the choices made. (see
Unit 4 Topic 8). A variety of recipes may be created each of
which is a reflection of the original recipe's unity formula.
When fired each
recipe may be subtly different due to the other factors influencing
glaze quality already mentioned (see
Unit 4 Topic 9). Essentially though they will be similar if
such variables are kept to a minimum.