Mercury
Mercury
Mercury
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polychlorinated biphenyls<br />
(PCBs)<br />
• Structure and characteristics of PCBs<br />
209 isomers ( 异 构 体 )<br />
Commonly 3~6 hydrion is substituted by chlorine ion, the<br />
content of Cl is as much as 42%~54%<br />
PCBs with less Cl content is usually in the liquid state. The<br />
more Cl content, the higher the viscosity. As for the external<br />
appearance, it varies from transparent liquid to white<br />
crystallines.
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