The system consists of a dosing instrument (Metrohm Dosimat 876 Plus) to deliver acid, a pH electrode and accompanying amplifier, a multichannel digital volt meter (Agilent 34970A) to measure ...
As power plants across the country plan to close ash ponds, the first discharge limit to consider is pH. National standards require all wastewater discharges to comply with a pH between 6 and 9 ...
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