There's a version of D-23 in a BJP annual in the formulary section which uses 5 grams of Metol and 100 grams of sodium sulphite, anhydrous per litre of stock.
The formula is called Ferrania R-33.
There's a version of D-23 in a BJP annual in the formulary section which uses 5 grams of Metol and 100 grams of sodium sulphite, anhydrous per litre of stock.
The formula is called Ferrania R-33.