ICS 81.080 Q 40 GB 中华人民共和国国家标准 GB/T34175—2017 耐火材料中硫含量的测定 Determination of sulfur in refractory products [ISO 14720-1:2013,Testing of ceramic raw and basic materials Determination of sulfur in powders and granules of non-oxidic ceramic raw and basic materialsPart l:Infrared measurement methods, ISO 14720-2:2013,Testing of ceramic raw and basic materials Determination of sulfur in powders and granules of non-oxidic ceramic raw and basic materialsPart 2:Inductively coupled plasma optical emission spectrometry (ICP/OES) or ion chromatography after burning in an oxygen flow,MODJ 2017-09-07发布 2018-08-01实施 中华人民共和国国家质量监督检验检疫总局 发布 中国国家标准化管理委员会