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GB/T 15076.10-2019 Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry - 英文版 |
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GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7:Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.2-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 2:Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.12-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 12:Determination of silicon content—Molybdenum blue spectrophotometry - 英文版 |
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GB/T 8647.11-2019 Methods for chemical analysis of nickel-Part 11:Determination of magnesium,aluminum,manganese,cobalt,copper,zinc,cadmium,tin,antimony,lead,bismuth contents-Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 7739.3-2019 Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content - 英文版 |
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GB/T 7739.2-2019 Methods for chemical analysis of gold concentrates—Part 2:Determination of silver content—Flame atomic absorption spectrometric method - 英文版 |
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GB/T 7739.1-2019 Methods for chemical analysis of gold concerntrates—Part 1:Determination of gold and silver contents - 英文版 |
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GB/T 20899.3-2019 Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content - 英文版 |
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GB/T 20899.2-2019 Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一Flame atomic absorption spectrometric method - 英文版 |
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GB/T 14506.33-2019 Methods for chemical analysis of silicate rocks—Part 33: Determination of arsenic, stibium, bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry - 英文版 |
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GB/T 37883-2019 Determination of chromium, cadmium, lead and arsenic in water treatment chemicals—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 18882.3-2019 Chemical analysis methods for mixed rare earth oxide of ion-absorption rare earth ore—Part 3: Determination of silicon dioxide content - 英文版 |
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GB/T 16632-2019 Determination of scale inhibition performance of water treatment chemicals—Calcium carbonate precipitation method - 英文版 |
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GB/T 15456-2019 Determination of the chemical oxygen demand in industrial circulating cooling water—Permanganate index method - 英文版 |
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GB/T 8152.14-2019 Methods for chemical analysis of lead concentrates—Part 14: Determination of silicon dioxide content—Molybdenum blue spectrophotometry - 英文版 |
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GB/T 7739.14-2019 Methods for chemical analysis of gold concentrates—Part 14: Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 37560-2019 Flame retardant chemicals—Determination of melamine and cyanuric acid in melamine cyanurate - 英文版 |
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GB/T 23524-2019 Method for chemical analysis of petrochemical spent platinum catalyst—Determination of platinum—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 20975.31-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 31:Determination of phosphorus content—Molybdenum blue spectrophotometry - 英文版 |
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GB/T 20975.30-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 30:Determination of hydrogen content—Heating extraction-thermal conductivity method - 英文版 |
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GB/T 20975.29-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 29:Determination of molybdenum content—Thiocyanate spectrophotometry - 英文版 |
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GB/T 20975.28-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 13747.5-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 5:Determination of aluminium content—Chronic azurol-S-tetradrcylpyridine chloride spectrophotometry - 英文版 |
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GB/T 7739.13-2019 Methods for chemical analysis of gold concentrates—Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury contents—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 4698.21-2019 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 21: Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper and zirconium content—Atomic emission spectrometry - 英文版 |
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GB/T 4698.17-2019 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 17:Determination of magnesium content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 15076.3-2019 Methods for chemical analysis of tantalum and niobium—Part 3:Determination of copper content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 13747.6-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 6:Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry - 英文版 |
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GB/T 37243-2019 Determination method of external safety distance for hazardous chemicals production units and storage installations - 英文版 |
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