From Structure to Strength: Analyzing the Impact of Sulfuric Acid on Pig Bone Demineralization Through FTIR, LIBS, and AAS.

In contrast, an increasing trend in the integrated areas of the sub-bands assigned to the triple helix (~1639 cm −1 ) and β-turn (~1609 and 1618 cm −1 ), with increasing immersion time and acid concentration, is observed ( Table 1 and Table S1 ).

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