97 GB/T 15057.11-1994 化工用石灰石粒度的測定 Limestone for chemical industry--Determination of size
98 GB/T 15927-1995 砷礦石化學分析方法 堿熔分離-碘量法測定砷量 Method for chemical analysis of arsenic ores--Determination of arsenic content-Iodimetric method after pre-separation by fusion
99 GB/T 16552-1996 珠寶玉石 名稱 Gems--Nomenclature
100 GB/T 16553-1996 珠寶玉石 鑒定 Gems-Testing
101 GB/T 16554-1996 鉆石分級 Diamond grading
102 GB/T 16574-1996 硫鐵礦和硫精礦中硅含量的測定 重量法 Pyrites and concentrate--Determination of silicon content--Gravimetric method
103 GB/T 16575-1996 硫鐵礦和硫精礦中鋁含量的測定 EDTA容量法 Pyrites and concentrate--Determination of aluminium content--EDTA volumetric method
104 GB 17513-1998 雄黃礦 雌黃礦 Realgar and orpiment
105 GB/T 3286.1-1998 石灰石、白云石化學分析方法 氧化鈣量和氧化鎂量的測定 Methods for chemical analysis of limestone and dolomite The determination of calcium oxide and magnesium oxide content
上一頁 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] 下一頁 |