The preparation of base-exchance materia
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Ingleson, H. ;Sullivan, W. H.
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Article
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1941
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Wiley (John Wiley & Sons)
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Re~genls.-9% sodium tungstate, pure or commercial. Normal sulphuric acid. Fehhg solutions no. 1 and no. 2. Methylene-hluc, 1% nqaeouq solution. (a) Zncubation.--30 g. of the standard flour and 0.12 g. of malt flour are weighed into a dry 250-C.C. Erlenmeyer floak or wide-mouth bottle and placed in