Highs and lows of Carbide Willson
The Kingston Whig-Standard
In France, chemist Henri Moissan was exploring processes as well. However, his results proved less efficient than Willson's. "In 1891, while trying to produce metallic calcium from lime (calcium oxide) and carbon (in the form of powdered coal) in an ...
Chuyện lạ xoay quanh các nguyên tố hóa học
... Bỉ và Pháp. Chỉ khi Ferdinand Frederic Henri Moissann nghĩ ra cách hạ thấp nhiệt độ mẫu vật xuống –23 độ C, ông mới thành công khi tách được flo ở dạng chất lỏng dễ bay hơi. Bản thân Moissan cũng buộc phải dừng nghiên cứu 4 lần vì bị nhiễm độc flo.
Experience: I was blinded by a school science experiment
'The doctors didn't know what to do with me. They hadn't seen burns like mine since the war'. no eyes Experience. 'It would be so wonderful to know what my daughter, now 28, looks like'. Photograph: Christopher Thomond for the Guardian. Meredith Plumb.
Discovering a process... by chance
When we think of accidents, we generally think of those that created a lot of damage. The Chernobyl disaster, one of the worst nuclear accidents to ever take place, is one of them. The Bhopal gas tragedy, something that happened closer at home, is ...