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GB/T 4103.18-2024 《Methods for chemical analysis of lead and lead alloys—Part 18：Determination of silver, copper, bismuth, arsenic, antimony, tin, zinc, iron, cadmium, nickel, magnesium, aluminum, calcium, selenium and tellurium contents—Inductively coupled plasma mass spectrometry》
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GB/T 42513.6-2024 《Methods for chemical analysis of nickel alloys—Part 6: Determination of molybdenum content—Inductively coupled plasma atomic emission spectrometric method》
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GB/T 42513.7-2024 《Methods for chemical analysis of nickel alloys—Part 7：Determination of cobalt, chromium, copper, iron and manganese contents—Flame atomic absorption spectrometry》
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GB/T 43846.1-2024 《Microscopes—Designation of microscope objectives—Part 1: Flatness of field/Plan》
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GB/T 43846.2-2024 《Microscopes—Designation of microscope objectives—Part 2: Chromatic correction》
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GB/T 43846.3-2024 《Microscopes—Designation of microscope objectives—Part 3: Spectral transmittance》
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GB/T 43872-2024 《Test methods for determining the immobilization ratio of chloride in cement》
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GB/T 43875-2024 《Determination method of total chromium in cement raw materials》
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GB/T 43876-2024 《Test method for viscosity of cement paste》
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GB/T 43874-2024 《Test method for compressive properties of glass materials and products》
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GB/T 43899-2024 《Pig iron—Determination of multi-element contents— Spark discharge atomic emission spectrometric method (Routine method)》
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GB/T 43901-2024 《Ferronickel—Determination of arsenic,tin,stibonium,plumbum and bismuth contents—Inductively coupled plasma-mass spectrometric method（ICP-MS）》
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GB/T 43905.1-2024 《Laboratory method for sampling fume and gases in welding and allied processes— Part 1: Determination of fume emission rate during arc welding and collection of fume for analysis》
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GB/T 43905.6-2024 《Laboratory method for sampling fume and gases in welding and allied processes—Part 6: Procedure for quantitative determination of fume and gases from resistance spot welding》
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GB/T 43905.5-2024 《Laboratory method for sampling fume and gases in welding and allied processes—Part 5: Identification of thermal-degradation products generated when welding or cutting through products composed wholly or partly of organic materials using pyrolysis-gas chromatography-mass spectrometry》
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GB/T 43905.4-2024 《Laboratory method for sampling fume and gases in welding and allied processes—Part 4: Welding consumables welding fume emission limit value》
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GB/T 43905.3-2024 《Laboratory method for sampling fume and gases in welding and allied processes—Part 3: Determination of ozone emission rate during arc welding》
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GB/T 43905.2-2024 《Laboratory method for sampling fume and gases in welding and allied processes — Part 2: Determination of the emission rates of carbon monoxide , carbon dioxide, nitrogen monoxide and nitrogen dioxide during arc welding, cutting and gouging》
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GB/T 43944-2024 《Measure method of weighted sound insulation index of ship internal material》
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GB/T 43943-2024 《Environmental noise emitted by vessels》
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GB/T 43968-2024 《General rules for high performance liquid chromatography-atomic fluorescence spectrometry analysis method》
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GB/T 43970-2024 《General rules for chemical vapor generation-atomic fluorescence spectrometry》
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GB/T 43976-2024 《Electronic gas—Tetrafluoromethane》
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GB/T 43977-2024 《Electronic gas—Octafluorocyclobutane》
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GB/T 6730.89-2024 《Iron ores—Determination of thorium content—Arsenazo Ⅲ spectrophotometric method》
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GB/T 44031-2024 《Manganese ore, method of chemical analysis, general rule》
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GB/T 24194-2024 《Ferrosilicon—Determination of multi-element contents—Inductively coupled plasma atomic emission spectrometric method》
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GB/T 10322.5-2024 《Iron ores—Determination of the moisture content of a lot》
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GB/T 6730.63-2024 《Iron ores - Determination of aluminium, calcium, mg, manganese, phosphorus, silicon and titanium contents - Inductance coupled plasma emission Light spectrum method》
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GB/Z 44116-2024 《Test methods for durability of fuel cell engine and its key components》