Assertion: pyrophosphoric acid | /r/HasProperty | β-tcp consumption
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Source sentences:
text: The presence of a surface layer of pyrophosphate ions on hydroxyapatite crystals has previously been shown to reduce the rate at which they may be dissolved 29 and it is possible that the pyrophosphate ions in this study had a similar effect on the β-TCP, which may explain why, when the cement paste contained pyrophosphoric acid, β-TCP consumption required longer to initiate than in its absence ( Fig. 3 ).