Standard Code | Standard Title | Standard Class | Order |
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GB/T 40795.1-2021 |
Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1:Determination of cerium content—Ammonium ferrous sulfate titration method 镧铈金属及其化合物化学分析方法 第1部分:铈量的测定 硫酸亚铁铵滴定法 |
China National Standards Determination ammonium the |
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GB/T 8704.5-2020 |
Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method 钒铁 钒含量的测定 硫酸亚铁铵滴定法和电位滴定法 |
China National Standards Determination ammonium the |
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GB/T 35664-2017 |
Determination of ammonium in the wet precipitation—Ion chromatography 大气降水中铵离子的测定 离子色谱法 |
China National Standards Determination ammonium the |
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GB/T 6730.9-2016 |
Iron ores—Determination of silicon content—The silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate 铁矿石 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法 |
China National Standards Determination ammonium the |
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GB/T 4702.1-2016 |
Chromium metal—Determination of chromium content—The ammonium ferrous sulfate titrimetric method 金属铬 铬含量的测定 硫酸亚铁铵滴定法 |
China National Standards Determination ammonium the |
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GB/T 6730.32-2013 |
Iron ores - Determination of vanadium content - The ammonium ferrous sulfate titrimetric method 铁矿石 钒含量的测定 硫酸亚铁铵滴定法 |
China National Standards Determination ammonium the |
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GB/T 4701.1-2009 |
Ferrotitanium - Determination of titanium content - The ammonium ferric sulfate titration method 钛铁 钛含量的测定 硫酸铁铵滴定法 |
China National Standards Determination ammonium the |
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GB/T 24583.1-2009 |
Vanadium-Nitrogen alloy - Determination of vanadium content - The ammonium ferrous sulfate titration method 钒氮合金 钒含量的测定 硫酸亚铁铵滴定法 |
China National Standards Determination ammonium the |
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GB/T 4699.2-2008 |
Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration method 铬铁和硅铬合金 铬含量的测定 过硫酸铵氧化滴定法和电位滴定法 |
China National Standards Determination ammonium the |
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GB/T 6150.14-2008 |
Methods for chemical analysis of tungsten concentrates - Determination of manganese content - The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method 钨精矿化学分析方法 锰量的测定 硫酸亚铁铵容量法和火焰原子吸收光谱法 |
China National Standards Determination ammonium the |
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GB/T 6150.1-2008 |
Methods for chemical analysis of tungsten concentrates - Determination of tungsten trioxide content - The ammonium tungstate igniting gravimetric method 钨精矿化学分析方法 三氧化钨量的测定 钨酸铵灼烧重量法 |
China National Standards Determination ammonium the |
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GB/T 9732-2007 |
Chemical reagent - General method for the determination of ammonium 化学试剂 铵测定通用方法 |
China National Standards Determination ammonium the |
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GB/T 8704.5-2007 |
Ferrovanadium - Determination of vanadium content - The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method 钒铁 钒含量的测定 硫酸亚铁铵滴定法和电位滴定法 |
China National Standards Determination ammonium the |
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GB/T 6730.9-2006 |
Iron ores - Determination of silicon contents - The silicomolybdic blue spectrophotometric method reduce by ammonium ferrous sulfate 铁矿石 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法 |
China National Standards Determination ammonium the |
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GB/T 6730.23-2006 |
Iron ores - Determination of titanium content - The ferric ammonium sulfate titrimetric method 铁矿石 钛含量的测定 硫酸铁铵滴定法 |
China National Standards Determination ammonium the |
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GB/T 223.13-2000 |
Methods for chemical analysis of iron,steel and alloy--The ammonium ferrous sulfate titrationmethod for the determination of vanadium content 钢铁及合金化学分析方法 硫酸亚铁铵滴定法测定钒含量 |
China National Standards Determination ammonium the |
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GB/T 4702.1-1997 |
Methods for chemical analysis of chromium metal--The ammonium ferrous sulfate volumetric method for thedetermination of chromium content 金属铬化学分析方法 硫酸亚铁铵容量法测定铬量 |
China National Standards Determination ammonium the |
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GB/T 4698.11-1996 |
Sponge titanium,titanium and titanium alloys--Determination of chromium content in the absence of Vanadium--Ammonium ferrous sulfate titration method 海绵钛、钛及钛合金化学分析方法 硫酸亚铁铵滴定法测定铬量(不含钒) |
China National Standards Determination ammonium the |
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GB/T 4698.10-1996 |
Sponge titanium,titanium and titanium alloys--Determination of chromium content in thepresence of Vanadium--Ammonium ferrous sulfate titration method 海绵钛、钛及钛合金化学分析方法 硫酸亚铁铵滴定法测定铬量(含钒) |
China National Standards Determination ammonium the |
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GB/T 13580.11-1992 |
Determination of ammonium in the wet precipitation 大气降水中铵盐的测定 |
China National Standards Determination ammonium the |
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