T O C in water to a precision of ±50 parts per BILLION? Yes. [ A n d find
it FAST] Within 5 minutes the well-accepted Dohrmann® T O C Analyzer determines organic carbon in water. Now, new features expand its capability, making it the most versatile and rapid carbon in water instrument available to municipal and industrial laboratories. T h e DC-50 series, based on proven, EPA-accepted* methodology, now offers: Low level analysis: Model DC-52S is ideally suited for determining T O C in surface or drinking water. Using the sparge method, it measures extremely low levels of organics in water to a precision of ± 0.05 m g / 1 (50 p p b ) with 1 0 0 % recovery. Analysis time: 5 minutes. Sample preparation time: 2 minutes. High level analysis: Model DC-52D measures organics in water up to 6,000 m g / 1 with a relative precision of ± 3 % . Even the most difficult samples—sea water, sludges, s e d i m e n t — p o s e no problems. All important volatile organics are separated from residual organics. Broad linear range, 5-minute analysis, and a choice of sample handling methods are exclusive features. Whatever the application, whatever the budget, there's a DC-50 series analyzer for the job. For free 12-page brochure, call, write, or circle the number below. •"Federal Register, Vol. 38, No. 199 October 16, 1973, Washington, D.C.
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