In the digital titrator iron method 8214, is the reaction faulty if the sample turns orange after the addition of Sulfosalicylic Acid?

Document ID

Document ID TE318

Version

Version 3.0

Status

Status Published

Published Date

Published Date 09/18/2018
Question
In the digital titrator iron method 8214, is the reaction faulty if the sample turns orange after the addition of Sulfosalicylic Acid?
Summary
When testing iron with Method 8214 the sample turns orange instead of red
Answer
It is okay that the reaction may be more orange than red in color. Titrate the sample until the color changes from orange or red to the original color yellow.

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