About the chemical structure:
|Chemical name:||barium chromate or strontium chromate or mixture of lead chromate + lead sulphate|
BaCrO4 (barium chromate)
|Color Index (C.I.)||PY 35|
How can you identify Lemon yellow?
OM: barium yellow is observed as lozenge-shaped extremely fine particles; less fine are the crystalline particles of strontium yellow.
It's identified by means of FTIR and Raman. Distinguished chemically from strontium yellow because it doesn't turn black in hydrochloric acid.
Raman spectra: University College London;
FTIR spectra: IRUG
Usage and handling:
Degradation processes: very stable
moderately toxic. Inhalation will cause irritation to the lungs and mucous membrane.
Artists Pigments A Handbook of Their History and Characteristics, Vol. 1, L. Feller, Ed., Cambridge University Press, London 1986, p. 205-206
(intro) - Cadmium yellow/red - Chrome yellow - Cobalt yellow - Indian yellow - Lead-tin yellow - Lemon yellow - Naples yellow - Orpiment - Yellow ochre