This standard solution was accurately prepared in super-clean laboratory with m-xylene and sub-packed in 2ml ampoules.
本标准溶液以纯间二甲苯在超净实验室中准确配制并分装于2毫升安瓿中。
2
Conclusion the control measures of occupational hazard are effective during m-xylene production process, but noise in the workplace needs to be taken effective protective measures.