摘要
对于涉密缩微黑白银盐胶片的销毁,应保证不泄露国家保密信息,避免造成国家安全和利益遭受损害。目前常用的缩微胶片销毁方法有粉碎法、焚烧法等。遵循环境保护原则,且应尽可能地将所有介质循环利用等原则,对涉密缩微黑白银盐胶片选用有效氯含量为10%的次氯酸钠溶液进行浸泡销毁,具有可操作性,价格低廉,效果显著。对销毁液过滤后的滤渣中的银,可选择置换法进行回收,回收率较高。
For the destruction of secret black-and-white silver microfilm, it should ensure no leakage of national confidential information and avoid causing national security and interests suffered damage. The de- struction of secret black-and-white silver microfilm methods commonly include crushing method, burning method etc.. Followed the principles of environmental protection and medium circulation, the effective chlo- rine content of 10% sodium hypochlorite solution has been selected as the appropriate destruction method, which is a handy,low-cost,significant method. After filtration of the filter residue, the replacement method can be used for the recovery of Silver and the recovery rate is higher.
出处
《档案学通讯》
CSSCI
北大核心
2016年第3期76-80,共5页
Archives Science Bulletin
基金
国家社会科学基金资助项目(10XZS013)
中央高校基本科研业务费专项资金资助(GK201503001)
陕西省重点扶持学科中国史(历史地理学)专项资金建设项目(0602)
陕西省教育厅专项项目(15JK1795)
关键词
涉密档案
缩微胶片
档案销毁
Secret archives
Silver microfilm
Archives destruction
