Is there an alternate to using the Potassium Cyanide reagent to remove metal interferences from hardness titration samples?

Document ID

Document ID TE307

Version

Version 4.0

Status

Status Published

Published Date

Published Date 08/16/2018
Question
Is there an alternate to using the Potassium Cyanide reagent to remove metal interferences from hardness titration samples?
Summary
Alternate to Potassium cyanide reagent for metal removal in hardness method
Answer
CDTA Magnesium Salt Powder Pillows can be used as a possible alternative. After the use this powder pillow it is important to use the correction table (see interference compensation with CDTA magnesium salt powder pillow section).

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