PMID- 12714076
OWN - NLM
STAT- MEDLINE
DCOM- 20031030
LR  - 20190922
IS  - 1386-1425 (Print)
IS  - 1386-1425 (Linking)
VI  - 59
IP  - 7
DP  - 2003 May
TI  - Monitoring dehydration and condensation processes of Na2HPO4*12H2O using 
      thermo-Raman spectroscopy.
PG  - 1529-39
AB  - Thermal dehydration and condensation processes of disodium hydrogen phosphate 
      dodecahydrate (Na2HPO4*12H2O) were monitored by thermo-Raman spectroscopy (TRS). 
      Various hydrated forms Na2HPO4*12H2O, Na2HPO4*8H2O, Na2HPO4*7H2O, Na2HPO4*2H2O, 
      Na2HPO4*H2O and Na2HPO4 were observed, followed by condensation of Na2HPO4 to 
      sodium pyrophosphate (Na4P2O7) in a dynamic thermal process. Representative Raman 
      spectra of all the hydrated forms Na2HPO4*12H2O, Na2HPO4*8H2O, Na2HPO4*7H2O, 
      Na2HPO4*2H2O, Na2HPO4*H2O and Na2HPO4 were detected in both H2O and PO4(3- 
      )regions are reported. The thermo-Raman intensity (TRI) thermogram also showed 
      systematic loss of water in five steps of dehydration, with the differential TRI 
      thermogram in agreement shows five dips corresponding to the five steps of 
      dehydration, respectively. Thermogravimetry (TG) and differential 
      thermogravimetry (DTG) are in harmony with the results of TRS, though, the two 
      could not resolve the steps involved.
FAU - Ghule, Anil
AU  - Ghule A
AD  - Department of Chemistry, National Tsing Hua University, 30043, Hsinchu, Taiwan, 
      ROC.
FAU - Bhongale, Chetan
AU  - Bhongale C
FAU - Chang, Hua
AU  - Chang H
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PL  - England
TA  - Spectrochim Acta A Mol Biomol Spectrosc
JT  - Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
JID - 9602533
RN  - 0 (Phosphates)
RN  - 059QF0KO0R (Water)
RN  - SE337SVY37 (sodium phosphate)
SB  - IM
MH  - Crystallization
MH  - Desiccation
MH  - Hot Temperature
MH  - Phosphates/*chemistry/isolation & purification
MH  - Spectrum Analysis, Raman/methods
MH  - Thermodynamics
MH  - Water/chemistry
EDAT- 2003/04/26 05:00
MHDA- 2003/10/31 05:00
CRDT- 2003/04/26 05:00
PHST- 2003/04/26 05:00 [pubmed]
PHST- 2003/10/31 05:00 [medline]
PHST- 2003/04/26 05:00 [entrez]
AID - S1386142502003955 [pii]
AID - 10.1016/s1386-1425(02)00395-5 [doi]
PST - ppublish
SO  - Spectrochim Acta A Mol Biomol Spectrosc. 2003 May;59(7):1529-39. doi: 
      10.1016/s1386-1425(02)00395-5.