What is the difference between the FerroVer® reagent powder pillows catalog number 85499, used with older spectrophotometers and 25mL samples and FerroVer® catalog number 92799, used in FerroVer® test kit IR-18 and IR-18B?

Document ID

Document ID TE321

Published Date

Published Date 27/05/2017
Question
What is the difference between the FerroVer® reagent powder pillows catalog number 85499, used with older spectrophotometers and 25mL samples and FerroVer® catalog number 92799, used in FerroVer® test kit IR-18 and IR-18B?
Summary
Difference between the FerroVer® reagent powder pillows catalog number 85499 and 92799
Answer
The production of the chemistry is slightly different. The catalog number 85499 has slightly more thiosulfate to handle hardness and the reagent does not handle higher concentrations of copper has well as catalog number 92799.