115 GB/T 7186-1998 煤礦科技術語 選煤 Terms relating to coal mining--Coal preparation

　　116 GB/T 397-1998 冶金焦用煤技術條件 Technical condition of coal for metallurgical coke

　　117 GB/T 17609-1998 鑄造焦用煤技術條件 Technical condition of coal for foundry coke

　　118 GB/T 7561-1998 合成氨用煤技術條件 Technical condition of coal for synthetic ammonia

　　119 GB/T 7562-1998 發電煤粉鍋爐用煤技術條件 Technical condition of coal used for pulverized coal-fired boiler for power generation

　　120 GB/T 17610-1998 水煤氣兩段爐用煤技術條件 Technical condition of coal for two-stage cyclic water gas gasifier

　　121 GB/T 483-1998 煤炭分析試驗方法一般規定 General rules for analytical and testing methods of coal

　　122 GB/T 477-1998 煤炭篩分試驗方法 Method for size analysis of coal

　　123 GB/T 6949-1998 煤的視相對密度測定方法 Determination of apparent relative density of coal

　　124 GB/T 8899-1998 煤的顯微組分組和礦物測定方法 Determination of maceral group composition and minerals in coal

　　125 GB/T 6948-1998 煤的鏡質體反射率顯微鏡測定方法 Microscopicopical determination of the reflectance of vitrinite in coal

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