Trisodium phosphate in alginate acts are_______________?
Correct answer: A. Retarder
- A. Retarder
- B. Reactor
- C. Accelerator
- D. Plasticizer
Explanation
Trisodium phosphate consumes the available calcium ions initially and delays alginate gel formation, so it acts as a retarder. Once it is exhausted, calcium sulfate can react with alginate to form the gel.
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