00410nam a2200169Ia 4500008004100000041001200041082000800053082001100061100002000072100001700092100001100109245003900120260001300159260003400172260000900206650002500215150909s9999    xx            000 0 und d  aEnglish  a540  bLAG/LA  aLagowski  J J    aWebber S E    eAuthor  aLaboratory experiment in chemistry  aNew York  bVan Nostrand Reinhold Company  c1977  aGravimetric analysis