

Potassium Nitrate 10%, pH 12 (Cyanide ISE Filling) by Exaxol, catalog numbers P6262-500 and P6262-1, is a 10% w/v potassium nitrate solution adjusted to pH 12, used as the outer filling solution for the reference electrode with cyanide ISEs. Available in 500 mL and 1 L from MBP, a registered vendor to many research institutes across the USA.

