lab test
4.If the patient was suspected as lead colic,the lab test of lead poisoning has to be done. If necessary,the diagnostic treatment can be given that is 20% CaNa 2-EDTA 10ml+5 ̄10%GS500ml given by intravenous fusion once a day,10% calcium glucose 10ml given by IV twice a day,the colic will be released in 2 or 3 days.
10.(2) Production experiment: make sure of the dates acquired from lab experiment and jar test to run the typical water plant. By contrasting the effect of polyaluminum chloride and polymeric ferric silicate-sulfate, it can be concluded that polymeric ferric silicate-sulfate is suitable for low template and low turbidity water.

