50. Hush money_2

Chen Ji walked among the crowd, no longer seeming like a stranger, but more like a native of Luocheng City, coming to the fair like a young lad.

...

...

Nighttime.

The Princely Heir and Princess Bai Li, perhaps tired of their usual mischief, did not scale the walls to go out today.

Chen Ji waited until everyone was fast asleep before taking out the bamboo tube containing saltpetre and heading to the main hall.

However, the first step in making gunpowder was not simply mixing saltpetre, sulfur, and charcoal in proportion, but purifying the materials.

This was why Chen Ji firmly believed that his gunpowder would be more potent than that of the Ning Dynasty: the Ning Dynasty's chemical engineering was underdeveloped, they probably didn't know how to purify these materials, and could only rely on primitive methods.

Chen Ji took a slightly larger ceramic bowl and carefully placed it above the oil residue lamp.