![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
If m 0 is the sample mass at the start of gasification, m t the sample mass at gasification time of t , and m ash the mass of ash remaining in char after being completely converted, then the gasification conversion ( X ) can be calculated using the expression: X =( m 0 - m )/( m 0 - m ash )