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This document provides an introduction and methodology for measuring UV-absorbing organic constituents in water and wastewater samples. Certain organic compounds strongly absorb UV light in proportion to their concentration. UV absorption is measured at 253.7 nm and provides a surrogate measure of selected organic content. Interferences from particles, inorganic compounds, and oxidizing/reducing agents are evaluated. Samples are filtered and pH adjusted before measurement using a spectrophotometer with quar

Author

linhpic99

Language

EN