There are lots of info about quality control, water, control board, color absorbency measurements, measurement methodology, quality, saturation, measurement, sample, oxygen measurements, sampling, data quality management, and quality assurance are presented in this paper. This paper presents info related to air, data quality objectives, oxygen concentration, electrode, data quality, measurement principles, water quality, time, titration, information, output, sources, and operating procedures.
In the paper you can learn description regarding method, titrimetric method, monitoring, winkler method, guidance, calibration, water quality monitoring, concentration, oxygen electrode, oxygen, apparatus, dissolved oxygen measurement, and dissolved oxygen. These are chosen from this paper:
The methods that are most commonly used to measure dissolved oxygen (DO) can be sorted into three major groups: colorimetric, titrimetric, and polarographic (see below). Because oxygen can easily diffuse into a water sample during handling (and alter the concentration of dissolved oxygen), samples have to be collected and processed without contact with air. This section also introduces information regarding measurements of biochemical oxygen demand.
Also, the paper presents discussion regarding quality monitoring, oxygen measurement principles, samples, temperature, water sampling, resources control board, quality management, electrodes, water resources control, control, instrument, saturation levels, and colorimetric methods.