00583ca0 a2200229ua 45000010006000000050017000060070003000230080041000260200011000670400009000780410014000870820016001011000033001172450064001502500013002142600050002273000019002773650011002965040009003075410023003166500014003391989520180503180941.0ta160920s1925    ii     g     b000 u eng u  c$25.00  aMAIN1 aenghNULL  a546.09bWEL  aWelcher, Frank J.  .eAuthor  aStandard Methods Of chemical Analysis / cFrank J. Welcher.  a6th /b.  aNew York :bD. van Nostrand company , c1925.  a1282 ; cNULL.  a$25.00  aNULL  e12522     h$25.00  achemistry