In the digital titrator iron method 8214, Sulfosalicylic Acid is added to the sample. Is the reaction faulty if the sample turns orange instead of red (wine) colored?

Document ID

Document ID TE318

Published Date

Published Date 27/05/2017
Question
In the digital titrator iron method 8214, Sulfosalicylic Acid is added to the sample. Is the reaction faulty if the sample turns orange instead of red (wine) colored?
Summary
When testing iron with Method 8214 the sample turns red instead of orange
Answer
It is ok 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.