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GB/T 8156.3-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The distillation-thoriumnitrate volumetric method for the determination of fluoride content 工业用氟化铝化学分析方法 蒸馏-硝酸钍容量法测定氟量 - 中英文版 |
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GB/T 7491-1987 Water quality--Determination of volatile phenolic compounds--After distillation with bromine method 水质 挥发酚的测定 蒸馏后溴化容量法 - 中英文版 |
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GB/T 7490-1987 Water quality--Determination of volatile phenolic compounds--After distillation by means of 4-AAP spectrophotometric method 水质 挥发酚的测定 蒸馏后4-氨基安替比林分光光度法 - 中英文版 |
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GB/T 7489-1987 Water quality--Determination of dissolved oxygen--Iodometric method 水质 溶解氧的测定 碘量法 - 中英文版 |
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GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid 水质 硝酸盐氮的测定 酚二磺酸分光光度法 - 中英文版 |
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GB/T 7478-1987 Water quality--Determination of ammonium--Distillation and titration method 水质 铵的测定 蒸馏和滴定法 - 中英文版 |
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GB/T 4702.8-1985 Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content 金属铬化学分析方法 蒸馏-钼蓝分光光度法测定砷量 - 中英文版 |
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GB/T 255-1977 Determination of distillation of petroleum products 石油产品馏程测定法 - 中英文版 |
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