Encyclopedia of Environmental Science and Engineering, Volume I and II

536 INDUSTRIAL WASTE MANAGEMENT Power Generation Industry The power generation industry uses large volumes of water for cooling ...

INDUSTRIAL WASTE MANAGEMENT 537 Water Quality Act of 1987 (PL 100-4), 100th Congress, February 4, 1987. Toxic Substance Control ...

538 INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS INTRODUCTION In the observation of our pollution problems there seems to be a ...

INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS 539 dissolved oxygen content is greatly reduced and anaero- bic conditions develo ...

540 INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS and its use. There must be no perturbation of the sample composition or physi ...

INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS 541 TABLE 1 Summary of special sampling or handling requirementsa,* Determination ...

542 INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS very important in water and wastewater characterization and instruments are a ...

INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS 543 Twenty-five years ago the dearth of instrumentation was used in Standard Meth ...

544 INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS anions, and a variety of specific and nonspecific parameters by automated ana ...

INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS 545 to an electrical signal and is used in spectrometers. A second example is a p ...

546 INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS placed in four categories—modification of sensor output, amplification, mathe ...

INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS 547 the measurement of voltage. Resistance may also be mea- sured with the meter. ...

548 INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS gain may refer to voltage, current or power ampli- fication and its input and ...

INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS 549 by a substance is resolved into its component wavelengths indicating its inte ...

550 INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS The types of instruments can be characterized by some simple diagrams regardl ...

INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS 551 the particular metal target. Metals such as chromium, copper, iron, molybdenu ...

552 INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS across the electrodes, the radiant energy or photons cause emission of photoe ...

INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS 553 contact the succeeding dynodes accelerated by ever higher voltages. A cascade ...

554 INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS photomultiplier tube is the most widely utilized detector in optical spectros ...

INSTRUMENTATION: WATER AND WASTEWATER ANALYSIS 555 (iii) Pyroelectric detector The pyroelectric detector is a thin wafer of mate ...