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专利申请号:CN201310440292.6公开号:CN103512822A申请日:2013.09.23公开日:2014.01.15申请人:西北有色金属研究院本发明提供了一种碳化钼中游离碳含量的检测方法,包括以下步骤:(1)将碳化钼粉加入硝基盐酸中搅拌,使碳化钼溶解于硝基盐酸中,游离碳以不溶状态分散在硝基盐酸中,所述碳化钼粉的质量为m_0,单位为g;(2)将滤纸进行第一干燥处理,第一干燥处理后滤纸的质量为m_1,单位为g;所述滤纸为无
Patent application CN201310440292.6 Publication Number CN103512822A Date of application: 2013.09.23 Date of disclosure: 2014.01.15 Applicant: Northwest Institute of Nonferrous Metal The present invention provides a method for detecting free carbon content in molybdenum carbide, comprising the following steps : (1) The molybdenum carbide powder was added to nitrochloric acid and stirred to dissolve the molybdenum carbide in the nitrochloric acid, and the free carbon was dispersed in the nitric hydrochloric acid in an insoluble state. The mass of the molybdenum carbide powder was m_0, and the unit was g ; (2) subjecting the filter paper to the first drying treatment, the quality of the filter paper after the first drying treatment is m_1, and the unit is g; the filter paper is