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Macrograph

Back to Pigment Overview

Pigment Number	1.01.08; 1.01.8; 139 (NYU old); 162 (SCC); 16 (SCC old)
Pigment Classification	1.01 WHITE - Calcium Compounds
Bottle Label	Whiting CaCO3
Supplier/Manufacturer
Date
Formula	CaCO3
Sample Composition	calcite

Chart

Reflectance - Visible and UV (MFA)

Results

Comment

Normal (left) and UV (right) reflected light images at 100x of pigment/collodion mixture on glass slide to illustrate pigment color along with presence or absence of autofluorescence. Normal light = Halogen lamp (100 W, no filter); UV light=Mercury gas discharge lamp (100W, excitation filter=340-380nm, suppression filter=425 nm).