CREOD

Comparison of crystalline silica (alpha-quartz) calibration standards NIST-SRM 1878 and NIST-SRM 1878a by fourier transform infrared spectrophotometry.

Verma DK, Shaw DS.
Ann Occup Hyg. 2005 Jun;49(4):359-61. Epub 2005 Feb 2.

PubMed link to article