00473nam a22001457a 4500003000400000005001700004008004100021040002900062050002400091100005900115245006700174260004000241300000900281650003700290OSt20240627165736.0240627b        |||||||| |||| 00| 0 eng d  cChuka University LIBRARY  aQD 113 b.S64 1959   aSnell,F.D., Cornella T. Snell and Chester Arthur Snell  aColorimetric methods of analysis:including photometric methods  aNew YorkbD. VAN Nostrand Co.c1959  a793p  aColorimetric methods of analysis