我国DSD酸产品标准化工作30年

Review of Past Thirty Years for DSD Acid Standards in China

自1982年原化工部首次颁布了我国DSD酸产品第一部化工部标的化工行业标准）HG2—1436-82以来迄今已有30年。30年来对该标准先订，标准号先后改为HG2279．1992、HG／T2279—2000、HG／T2279-2011。版本标准的主要内容及每次修订的主要内容，详细解读于2012年7月1HG／T2279—2011。

It is already thirty years since the Former Ministry of Chemical Industry published the first DSD acid standards HG 2-1436-82 （equal to active chemical industry standard）. During these years, the standard was modified for three times, which No changed to HG 2279-1992, HG/T 2279-2000 and HG/T 2279-2011 one after another. This article introduces the main content of four different editions and the modified content; analyzes the details of new standard HG/T 2279-2011 which was published on 01 July, 2012.