Horizontal or tangential step evaluation

Normally, the steps are interpreted as a change in mass before and after the effect, so that the corresponding basehne is horizontal. The sum of aU the steps plus the residue at the end of the last step is equal to the original sample mass or 100% (assuming blank curve correction was properly performed and that no oxidation of the sample has occurred). 

From the step heights, you can determine the content or check the stoichiometry of reactions using pure starting materials. 

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