Find out the difference of oxygen dissolved in the water sample that measured the first day (DO0) to dissolved oxygen in the same water samples stored in a controlled temperature (incubator) 20 ± 1° C. 5 days (DO5)
A difference of dissolved oxygen in the samples measured on the first day (DO0) the oxygen content in the samples of the same stored in temperature controlled (incubator) 20 ± 1 ° C for 5 days (DO5. )
The difference of the dissolved oxygen in the sample gas diving measured first day (DO0) with the amount of oxygen dissolved in the sample that same stored in temperature control (incubator) 20 edge. 1 ° C for 5 day (DO5).