青云翻译

The above experiments, the ph value of 5,25 ℃ under the conditions of oscillation for 60 min, filtering, sampling, determination of the remaining u (Ⅵ) concentration

More experiments, the pH value is 5, under the conditions of 25 ° c, the oscillation after 60 min, filtering, sampling determining residual u (vi) concentration

Above experiment, in the pH value for 5,25℃ the condition under, after vibrates 60 min, filtration, sample determination surplus U (Ⅵ) Density

正在翻译，请等待...

More experiments, the pH value is 5, under the conditions of 25 ° c, the oscillation after 60 min, filtering, sampling determining residual u (vi) concentration