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目的 :考察含氯石灰硼酸溶液的稳定性。方法 :将含氯石灰按标示量的 1 2 0 %投料 ,使成品有效氯含量不低于标示量的 1 1 0 % ,2 5℃恒温下观察其含量变化。结果 :含氯石灰和硼酸两溶液分别配制、贮藏 3个月时有效氯含量不低于标示量的 1 0 0 % ,再混合后贮藏 1个月时不低于 80 % ,即 0 .2 5%cl。结论 :两溶液可分别贮藏 3个月 ,混合后可再贮藏 1个月。
Objective: To investigate the stability of boric acid solution containing chlorine. Methods: Chlorine lime was dosed at 120% of the marked amount to make the effective chlorine content of the finished product not less than 110% of the marked amount, and the content change was observed under the constant temperature of 25 ℃. Results: The two solutions of chlorinated lime and boric acid were separately prepared. The effective chlorine content was not less than 100% of the labeled amount when stored for 3 months and was not less than 80% when stored for 1 month after mixing. % cl. Conclusion: The two solutions can be stored separately for 3 months and can be stored for another 1 month after mixing.