[国外标准] JIS M 8219-2：2012 Iron ores - Determination of titanium - Part 2 Diantipyrylmethane spectrophotometr
[国外标准] JIS M 8219-1：2012 Iron ores - Determination of titanium - Part 1 Flame atomic absorption spectrometr
[国家标准] GB 8219-1987 坐便器低水箱配件