COOH and -SH two polar groups in mercaptoacetic sodium acid have properties of strong reaction to sulphide ores. It is the most satisfactory agent for replacing sodium cyanide to suppress impurities.
巯基乙酸钠中两个极性基团一COOH及—SH具有同硫化矿强烈反应的特性，是代替氰化钠抑杂的理想药剂。
Two polar bears SPAR in the snow as a magenta sunset descends over Churchill, Manitoba, Canada.
品红色的暮光降临到加拿大曼尼·托巴省的丘吉尔小镇，两只北极熊正在雪中打闹。
Two polar bears SPAR in the snow as a magenta sunset descends over Churchill, Manitoba, Canada.
品红色的暮光降临到加拿大曼尼·托巴省的丘吉尔小镇，两只北极熊正在雪中打闹。
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