Silicon dioxide is also called silica. It's an oxide of silicon and has the chemical composition SiO2. Silica, which includes silica found in quartz and quartz-sand are both natural forms of silicon dioxide, is collectively called silica.Particle siz…
US President recently decided to invoke a Cold War-era defense law to encourage domestic gold nanoparticles. One team found that when bacteria came into contact with gold nanoparticles, their cell walls deformed and eventually burst, leak…
Concrete superplasticizer is high efficienct water reducing agent. Its difference from ordinary water reducing agent lies in the high-water reduction rate. The water reduction rate of ordinary water reducing agent is generally 5%-10%, and the water r…
Expandable graphite or exfoliated graphite is made from the naturally occurring mineral graphite. The layered structure of graphite allows molecules to be inserted between the graphite layers. By adding acid, graphite sulfate can usually be converted…
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