Infrared study of the vibrational behavior of CrO42− guest ions matrix-isolated in metal (II) sulfates (Me=Ca, Sr, Ba, Pb)

Stoilova, D.; Georgiev, M.; Marinova, D.

doi:10.1016/j.molstruc.2004.12.016

Cited by 22 publications

(14 citation statements)

References 14 publications

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“…Furthermore, the present paper continues our recent studies on the vibrational behavior of included tetrahedral ions in the structures of inorganic salts [12][13][14][15][16][17][18][19].…”

Section: Introductionsupporting

confidence: 68%

Vibrational behavior of matrix-isolated ions in Tutton compounds. II. Infrared spectroscopic study of and ions included in copper sulfates and selenates

Marinova

Georgiev

Stoilova

2009

Journal of Molecular Structure

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“…Furthermore, the present paper continues our recent studies on the vibrational behavior of included tetrahedral ions in the structures of inorganic salts [12][13][14][15][16][17][18][19].…”

Section: Introductionsupporting

confidence: 68%

Vibrational behavior of matrix-isolated ions in Tutton compounds. II. Infrared spectroscopic study of and ions included in copper sulfates and selenates

Marinova

Georgiev

Stoilova

2009

Journal of Molecular Structure

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“…Recently, the value of the ratio Dm as /m c (where m c is the centro-frequency value of the asymmetric modes) has been proposed to calculate the relative splitting of dopant ions [9]. Continuing our study on the vibrational behavior of matrixisolated ions in different matrices [17][18][19][20][21][22][23] 6 ], (three crystallographically different water molecules are coordinated to the M 00 ions) and tetrahedra XO 4 . These polyhedra are linked by hydrogen bonds.…”

Section: Introductionmentioning

confidence: 80%

Infrared spectroscopic study of SO42− ions included in M′2M′′(SeO4)2⋅6H2O (Me′=K, NH4+; M′′=Mg, Co, Ni, Cu, Zn) and NH4+ ions included in K2M(XO4)2⋅6H2O (X=S, Se; M′′=Mg, Co, Ni, Cu, Zn)

Marinova

Karadjova

Stoilova

2015

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

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“…The characteristic infrared and Raman bands of the pigments' chromophores are detailed in Table 4 and the spectral assignments were made in accordance to the literature [12,13,22,[28][29][30]. As may be seen in Fig.…”

Section: Analytical Characterisation Of the Reconstructed Pigmentsmentioning

confidence: 88%

Barium, zinc and strontium yellows in late 19th–early 20th century oil paintings

et al. 2017

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This work focuses on the study of the 19th century yellow chromate pigments based on barium (BaCrO 4 ), zinc (4ZnCrO 4 ·K 2 O·3H 2 O) and strontium (SrCrO 4 ). These pigments, which are reported to shift in hue and darken, have been found in 19th century artworks. A better understanding of their historic manufacture will contribute to the visual/chemical interpretation of change in these colours. Research was carried out on the Winsor & Newton (W&N) 19th century archive database providing a unique insight into their manufacturing processes. One hundred and three production records were found, 69% for barium, 25% for zinc and 6% for strontium chromates, mainly under the names Lemon, Citron and Strontian Yellow, respectively. Analysis of the records shows that each pigment is characterised by only one synthetic pathway. The low number of records found for the production of strontium chromate suggests W&N was not selling this pigment formulation on a large scale. Furthermore, contrary to what the authors have discovered for W&N chrome yellow pigments, extenders were not added to these pigment formulations, most probably due to their lower tinting strength (TS). The latter was calculated in comparison to pure chrome yellow (PbCrO 4 , 100% TS) resulting in 92% for barium, 65% for zinc potassium and 78% for strontium chromate pigments. This indicates that W&N was probably using extenders primarily to adjust pigment properties and not necessarily as a means to reduce their costs. Pigment reconstructions following the main methods of synthesis were characterised by complementary analytical techniques: Fibre optic reflectance spectroscopy, X-ray diffraction, micro-Raman and micro-Fourier transform infrared spectroscopies. These pigments can be clearly distinguished on the basis of their infrared CrO 4 2− asymmetric stretching fingerprint profile (between 1000 and 700 cm −1

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Infrared study of the vibrational behavior of CrO42− guest ions matrix-isolated in metal (II) sulfates (Me=Ca, Sr, Ba, Pb)

Cited by 22 publications

References 14 publications

Vibrational behavior of matrix-isolated ions in Tutton compounds. II. Infrared spectroscopic study of and ions included in copper sulfates and selenates

Vibrational behavior of matrix-isolated ions in Tutton compounds. II. Infrared spectroscopic study of and ions included in copper sulfates and selenates

Infrared spectroscopic study of SO42− ions included in M′2M′′(SeO4)2⋅6H2O (Me′=K, NH4+; M′′=Mg, Co, Ni, Cu, Zn) and NH4+ ions included in K2M(XO4)2⋅6H2O (X=S, Se; M′′=Mg, Co, Ni, Cu, Zn)

Barium, zinc and strontium yellows in late 19th–early 20th century oil paintings

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