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Sulphuric Acid on the WebTM Technical Manual DKL Engineering, Inc.

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Sulphuric Acid on the Web

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Handbook of Sulphuric Acid Manufacturing
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Preface
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Sulphuric Acid Decolourization
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Process Engineering Data Sheets - PEDS
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Sulphuric Acid Plant Specifications
 

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Analytical Procedures - SO2 in Weak Acid
February 12, 2002

Introduction
Equipment
Reagents
Procedure

Calculations
Associated Links

Introduction

The sulphur dioxide is oxidized by a iodine solution, with starch as indicator.

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Equipment

Reagents

 

Procedure

Draw 50 ml of decanted solution of scrubber purge, add few drops of starch indicator solution and titre with iodine solution 0.1 N.

Calculations

 SO2 [g/l]    =        V1  x  0.1   x  F  x  0.032  x  1000  /  V

 where:

V1        = ml of Iodine used
F          = corrector factor of Iodine 0.1 N solution
V          = ml of scrubber purge solution used

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