REACTION OF VARIOUS SODIUM PHOSPHATES WITH SODIUM FLUORIDE IN SYNTHESIS OF SFP

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MEFTAH S.; KIANI ANBOUHI R.; MASOUMI F.A.T.

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Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2008 | Volume:27 | Issue:2 Page(s): 41-47

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Title

REACTION OF VARIOUS SODIUM PHOSPHATES WITH SODIUM FLUORIDE IN SYNTHESIS OF SFP

Author(s)

MEFTAH S. | KIANI ANBOUHI R. | MASOUMI F.A.T. | Issue Writer Certificate

Keywords

FLUOPHOSPHORIC ACIDQ3

PHOSPHORO FLUORIDRIC ACIDQ3

SODIUM PHOSPHATESQ3

SODIUM POLYPHOSPHATESQ3

SODIUM FLUORIDEQ3

SYNTHESIS OF SODIUM MONOFLUOROPHOSPHATEQ3

Abstract

Sodium monofluorophosphate Na2PO3F (SFP) as a bactercides and a fungicides is used in toothpastes. There are several methods for production of SFP, but in general, the yield is low. In this paper, the reaction of various phosphates and polyphosphates with SODIUM FLUORIDE was researched. The results show that SFP with appropriate purity is prepared by reaction of 1P, 2P, 3P with SODIUM FLUORIDE. When P2O5 is added, purity is increased. SFP with suitable purity and yield is prepared by reaction of long- chain (n³12) and ring phosphates with NaF. High temperature and long time is caused to product pyrophosphate because of decomposing of SFP. The results distinguish the most oppropriate yield (» % 100) and purity (over % 95) for preparation of SFP in temperature limitation 600-800°C and heating time<15 minute. The most oppropriate temperature Condition is 600°C for long-chain phosphates and 660°C for 3M, 4M with NaF and 2P, 3P when P2O5 is added. The analysis was done by standard method of USP reference.

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APA: Copy

MEFTAH, S., KIANI ANBOUHI, R., & MASOUMI, F.A.T.. (2008). REACTION OF VARIOUS SODIUM PHOSPHATES WITH SODIUM FLUORIDE IN SYNTHESIS OF SFP. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 27(2), 41-47. SID. https://sid.ir/paper/26188/en

Vancouver: Copy

MEFTAH S., KIANI ANBOUHI R., MASOUMI F.A.T.. REACTION OF VARIOUS SODIUM PHOSPHATES WITH SODIUM FLUORIDE IN SYNTHESIS OF SFP. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2008;27(2):41-47. Available from: https://sid.ir/paper/26188/en

IEEE: Copy

S. MEFTAH, R. KIANI ANBOUHI, and F.A.T. MASOUMI, “REACTION OF VARIOUS SODIUM PHOSPHATES WITH SODIUM FLUORIDE IN SYNTHESIS OF SFP,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 27, no. 2, pp. 41–47, 2008, [Online]. Available: https://sid.ir/paper/26188/en

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