Chem Society of Bangladesh

  Christmas   🎅 Chemistry Today is December 25,Merry Christmas. Christians celebrate this day in a very pompous way.They make the day memorable with various arrangements and activities ranging from decorating the house to giving gifts, eating and playing sports.And with all this but there is our favorite chemistry involved.Its presence has made everything diverse.Let's find out how chemistry⚗️ is involved in Christmas🧙‍♂️ arrangements. 1.Christmas tree :🎄 Several molecules contribute to the aroma of Christmas trees. The key compound is pinene (C10H16), which exists as two isomers like alpha-pinene & beta-pinene.Bornyl acetate also contributes a fresh pine aroma.And it’s usually used in perfumes & air fresheners.  2.Christmas light :💡 Light-emitting diodes (LEDs) are made from semiconducting materials ; the colour of light emitted depends on the materials used. Many of these materials are based on gallium(Ga), such as gallium arsenide phosphide(GaAsP),gall...

Paper is a most important substance in our daily life. From birth certificate to death certificate, all of our important documents are printed on a paper. Paper is a part and parcel of life specially to a student.  We have a luxury paper industry in Bangladesh. Beside three state-owned paper mills, more than 100 private paper mills produce 1.5 million (15 lakh) metric tons paper and paper product every year on average.   Khulna Newsprint Mill (KNM), khalishpur. Pakshi North Bengal Paper Mills,  Ishwardi, Pabna and  Karnaphuli Paper Mills (KPM), Chittagong are the three state-owned paper mills. Among them Karnaphuli Paper Mills (KPM) is the largest paper mill in Bangladesh with production capacity of 30000 metric tons paper and 24000 metric tons pulp.KPM is established in 1953 and that is operates as a subsidiary of Bangladesh Chemical Industries Corporation.  Some of popular private paper mills in our country are  ★Bashundara Paper Mills LTD. ★Meghna P...