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14 GB/T 1877-1995 磷礦石和磷精礦中氧化錳含量的測定 分光光度法和容量法 Phosphate rock and concentrate--Determination of manganese oxide content--Spectrophotometric and volumetric methods
15 GB/T 1878-1995 磷礦石和磷精礦中碘含量的測定 分光光度法和離子選擇性電極法 Phosphate rock and concentrate--Determination of iodine content--Spectrophotometric and specific ion electrode methods
16 GB/T 1879-1995 磷礦石和磷精礦石氧化鉀含量的測定 火焰原子吸收光譜法 Phosphate rock and concentrate--Determination of potassium oxide content--Flame atomic absorption spectrometric method
17 GB/T 1880-1995 磷礦石和磷精礦中三氧化硫含量的測定 重量法 Phosphate rock and concentrate--Determination of sulfur trioxide content--Gravimetric method
18 GB/T 1881-1995 磷礦石和磷精礦中氧化鍶含量的測定 火焰原子吸收光譜法 Phosphate rock and concentrate--Determination of strontium oxide content--Flame atomic absorption spectrometric method
19 GB/T 2010-1987 散裝滑石取樣、制樣方法 Method of sampling and sample preparation of talc in bulk
20 GB/T 2459-1981 硫鐵礦和硫精礦檢驗規(guī)則 Troilite and sulphur concentrates--Rules for examination 上一頁 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] 下一頁 |
