配制甲紫溶液的容器,以及貯存过或量取过该溶液的玻璃容器,其表面往往为紫色所污染而不易洗去。我们试用了1.25%含氯石灰水来洗涤,发现能将甲紫的污跡洗去。此外,我们对医务室貯存甲紫棉签已两年的废物缸(搪瓷痰盂),也作了同样的试验,结果表明,污跡层 The container for preparing the purple violet solution, as well as the glass containers that have been stored or have passed through the solution, are often contaminated with purple and are not easily washed off. We tested the 1.25% chlorine-containing lime water and found that it could wash away the stains of the violet. In addition, we also conducted similar tests on waste tanks (enamel enamels) that had been stored in the medical office for two years. The results showed that the stain layer