Take, for example, in a time of lapo4 hours ranging from 10.20-finished baking take substance 16.21 when the grind, until becoming a powder to put in a tube to the analysis.
Lapo4 samples were dried in air for six hours from 10:20 to 16:21, when baking is finished, the substance to be ground into a powder and then be put in a tube to the analysis.
The example LaPO4 baked in a machine for 6 hours since 10.20 - 16.21 when baking finish the substance to crush into powder and put in the tube to in the analysis.