00531nam a2200169Ia 4500008004100000082001800041100002200059245009300081250000600174260004700180300000800227650003400235650001800269653002600287653002500313700002300338170901s1953 xx 000 0 und d a545.812b559C aSnell, Foster Dee 0aColorimetric Methods of AnalysisbIncluding Some Turbidimetric and Nephelometric Methods a3 aLondonbD. Van Nostrand Company Ltd.c1953 a606 aChemistry and allied sciences aPure Sciences aColorimetric analysis aPhotometric analysis aSnell, Cornelia T.