BBC4 年
Testing for negatively charged ions
Unlike the other tests described on this page, the test for carbonate ions works whatever acid is added. Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first.
BBC1 年
Testing for negatively charged ions
A white precipitate forms if sulfate ions are present. Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white ...
Physicists achieve high-precision imaging of complex molecules using highly charged ions
A new study published in Physical Review Letters and led by researchers from the Institute of Modern Physics (IMP) of the ...
IFLScience on MSN6 天
New Ion Speed Record Could Lead To Faster Charging Batteries
Researchers have discovered how to make ions – electrically charged atoms – move ten times faster than they would do in water ...
Armed robbery in Revesby13 天
Physicists Use Charged Ions for Precise Molecule Imaging
A new study, published in Physical Review Letters and led by researchers from the Institute of Modern Physics (IMP) of the ...