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“This cure’ – later rebranded as ‘Trinity Mind, Body & Soul’ – allegedly contained vitamin C, an enzyme mix, potassium thiocyanate, and hydrogen peroxide.

For example, when a solution of a ferric salt is added to a solution of potassium thiocyanate, a deep red coloration is produced, owing to the formation of ferric thiocyanate.

Titrate the excess silver with N/10 ammonium or potassium thiocyanate until a permanent light brown color appears.

To prepare the solution for this determination, which should be approximately 0.05 N, dissolve about 5 grams of potassium thiocyanate, or 4 grams of ammonium thiocyanate, in a small amount of water; dilute this solution to 1000 cc. in a liter bottle and mix as usual.