Respuestas al mensaje #92

The massive plumes of red/brown smoke in the second explosion is a dead giveaway of nitrate decomposition into nitrogen dioxide.

Actually it's Chile saltpeter, it's different then regular saltpeter. Regular saltpeter is potassium nitrate.

KNO3 is saltpeter. NaNO3 is Chile saltpeter. I highly doubt it's intended use was as fertilizer when their business was fireworks. It's kind of...