该法用甲醛代替汞盐，减少了对环境的污染。
Using formaldehyde solution instead of mercurate, the environmental pollution was reduced.
探讨了汞盐和硝基苯磺酸催化甲苯硝化机理。
The mechanisms of the catalytic nitration of toluene were discussed.
黑色硫化汞，是来自于汞盐或通过水银与硫磺反应而得到的一种黑色粉末，用作颜料。
Black mercuric sulfide, a black powder obtained from mercury salts or by the reaction of mercury with sulfur, used as a pigment.
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