The Council of Scientific and Industrial Research (CSIR) has come up with new and improved formulations in the manufacture of sound-emitting crackers and other fireworks keeping in view the pollution hazard and health risks.
Green Crackers
Traditionally, firecrackers have been made with barium nitrate, antimony and a range of metals that have been linked to respiratory diseases and even cancer.
A group of research institutes of the CSIR had begun work on ‘green crackers,’ namely fireworks without barium nitrate.
The Nagpur-based NEERI eventually hit upon formulations that substituted barium nitrate with potassium nitrate and zeolite.
The ‘green’ versions of the ‘flower pot’, one ....