YB/T 4225-2010 Translated English of Chinese Standard. (YBT 4225-2010, YB/T4225-2010, YBT4225-2010): Method for determination of silicon dioxide content in arenaceous quartzhttps://www.chinesestandard.net, 2. aug. 2020 - 7 sider This Standard specifies the principle, instruments, sample requirements, test procedures and test results of the determination of silicon dioxide content in arenaceous quartz. This Standard applies to the determination of silicon dioxide content in arenaceous quartz for carbon production. |