Sensitive chemical method for routine assay of cobalamins in activated sewage sludge

Abstract

It is unlikely that all commercial varieties of the solids studied here would yield precisely the same results. However, it is judged that the rankings would be comparable.6. The surface chemistry parameters studied here should be important considerations in selecting detergent formulations which may become mixed with oily wastewaters requiring ecological cleanup, and in choosing substrates for the internal structures of coalescer filters.

Production of cobalamins during activated sewage sludge treatment

“…In view of the potential environmental significance of cobalamins as well as difficulties incurred in the application of bioanalytical techniques to the quantitative assessments of cobalamins in chemically complex samples, a method for high-pressure liquid chromatographic (HPLC) analysis of benzyl alcohol extractable cobalamins has been developed (15).…”