Photometric chemical analysis : (colorimetry and nephelometry) : vol. 2. Nephelometry / by John H. Yoe Yoe, John H. (John Howe), 1892- Colorimetric analysis. Chemistry, Analytic Quantitative. Chemical tests and reagents. QD113 .Y6 544 YOP Bibliography: p. 287-311. New York : Wiley ; London : Chapman & Hall, 1929. 1929. 1928 Text v. : eng