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POTASSIUM IODIDE-IODATE TITRANT manufacturer and supplier in nairobi kenya africa

Standard potassium iodide-iodate titrant standardized to 0.0125N

Titrate with potassium iodide-iodate titrant  until end point and faint permanent blue color develops.

Calculation of Results

FORMULA:    ppm sulfite as SO3  = ml  of potassium iodide-iodate (RXSOL-62-5503-006)  x       500    /  ml SAMPLE  

                        Using a 50 ml sample, sulfite, in parts per million as SO3  is equal to the ml of  RXSOL-62-5503-006 required multiplied by 10. 

A 50-mL sample was titrated with 0.0125 N titrant and 6 mL of titrant was used at the endpoint. The concentration is 6 mL × 10 = 60 mg/L sulfite SO3 2–

Sample volumes and multipliers 

Range (mg/L) Sample volume (mL)Titrant—potassium iodide-iodateMultiplier

0–100 50 0.0125 N10

40–200250.0125 N20

100–500100.0125 N50

More than 500050.0125 N100




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