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23 GB/T 1515-1979 錳礦石中磷量的測定 (磷鉬藍(lán)吸光光度法) Method for determination of phosphorus content in manganese ores--Phosphrus molybdenum blue photometric method
24 GB/T 1516-1979 錳礦石中砷量的測定 (二乙胺硫代甲酸銀吸光光度法) Method for determination of arsenic content in manganese ores
25 GB/T 1518-1979 錳礦石中鎳量的測定 (極譜法) Method for determination of nickel content in manganese ores--Polarographic method
26 GB/T 1519-1979 錳礦石中銅量的測定 (極譜法) Method for determination of copper content in manganese ores--Polarographic method
27 GB/T 1572-1989 煤的結(jié)渣性測定方法 Determination of clinkering property of coal
28 GB/T 1573-1989 煤的熱穩(wěn)定性測定方法 Determination of thermal stability of coal
29 GB/T 1574-1995 煤灰成分分析方法 Analysis of coal ash
30 GB/T 1575-1987 褐煤的苯萃取物產(chǎn)率測定方法 Determination of yield of benzene-soluble extract in brown coal
31 GB/T 2559-1981 褐煤蠟熔點測定方法 Lignite wax--Determination of melting point 上一頁 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] 下一頁 |
