Text ( visual ) : unmediated Introduction to qualitative chemical analysis / by Th. Wilhelm Fresenius. -- 17th ed. of the original work / by C. Remigius Fresenius ; translated by C. Ainsworth Mitchell. -- New York : J. Wiley , 1921. -- xx, 954 p., [1] folded table : ill. ; 23 cm. -- Includes bibliographical references and index. -- (BA4075876X) ; https://ci.nii.ac.jp/ncid/BA4075876X Other Title(s): Qualitative chemical analysis. -- Author Heading(s): Fresenius, Th. Wilhelm (Theodor Wilhelm) ; Fresenius, C. Remigius ; Mitchell, C. Ainsworth (Charles Ainsworth), b. 1867