บท 253: Chapter 139 Gunpowder Test Production_2

Xiulote looked at Moreno seriously and instructed in a deep voice.

"Moreno, do you have any improvements? Speak in detail!"

"Your Highness, I have found that these saltpeter soils can actually be leached repeatedly. After leaching the nitrate, by putting an egg in the brine, we can determine whether the leaching is complete. Actually, we used a similar method when boiling salt before, but I only realized its feasibility after recent experimentation..."

Moreno replied respectfully and quietly. He sneaked another glance at the fearsome Head Warrior and shivered inside.

"Your Highness, I have also found that when boiling the saltpeter, in addition to adding wood ash, small pieces of pumpkin can be added to increase the purity. It seems that adding egg whites also works..."

At this point, the leader of the salt workers slightly blushed with embarrassment. In fact, he had initially just wanted to boil some bird eggs while working... but accidentally stumbled upon some discoveries.