Appreciate for your elaboration.
This test was come up from a glace of blackish disposal ash on dumping truck so it serve the purpose.
Agreed with you that for the behavior of combustion in the furnace point we should consider the sampling of bottom ash. And we should coordinate with EPC/OE/OM to do so periodically.
Please explore for the ash composition analysis apparatus,cost and procedure.It is and essential information for the running of our coal fired power plant.