I want easy method to determine sulphate in water by spectrometry
And method allow me to measure sample after time ?
Hi! There are different spectrometric techniques. Which one do you mean? What sulphate concentration values do you want to measure and what limit of quantification do you want to obtain? Are you also interested in the other ionic basic components?
ZJ
The easiest method is to use the traditional method, which is the titrating the sulphate by a known cocentration of barium chloride solution. Here you don't need to use spectrophotometry.
Otherwise, a simple and precise turbidimetric method of determining sulfate S in water samples can be used . It involves the measurement of the turbidity formed when an aliquot of a barium chloride-gelatin reagent is added to an acidified sample. The method is sensitive and accurate and permits the determination of microgram amounts of sulfate S present in water samples.
You can use a simple method: titrate the sulphate by a known concentration.
Titrate sulphate with BaCl2.Based on the reaction between sulphate ions and BaCl 2 , when a white precipitate (BaSO 4) is obtained.
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