Colorimetric methods of analysis : including some turbidimetric and nephelometric methods. Volume I, Theory-instruments-pH /

by Snell, Foster Dee, 1898-1980, Snell, Cornelia T. 1896-
Published 1951

Colorimetric methods of analysis : including photometric methods. Volume II A /

by Snell, Foster Dee, 1898-1980, Snell, Cornelia T. 1896-
Published 1959

Colorimetric methods of analysis : including some turbidimetric and nephelometric methods. Volume I, Inorganic /

by Snell, Foster Dee, 1898-1980, Snell, Cornelia T. 1896-
Published 1936