TY - GEN AU - Snell, Cornelia T AU - Snell, Foster Dee TI - Colorimetric methods of analysis : including some turbidimetric and nephelometric methods U1 - 543.0852 COL.02 CY - Newjerssey, D Van nostrand Company Inc KW - Calorimetric methods/ turbidimetric methods/ nephelometric methods ER -