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GB/T 1819.12-2004 Methods for chemical analysis of tin concentrates--Determination of silicon dioxide content--The silicomolybdenum blue spectrophotometric method - 英文版 |
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GB/T 1819.1-2004 Methods for chemical analysisof tin concentrates--Determination of water content--The weighing method - 英文版 |
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GB/T 1819.11-2004 Methods for chemical analysis of tin concentrates--Determination of aluminum oxide content--The chromazuzol S spectrophotometric method - 英文版 |
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GB/T 1819.10-2004 Methods for chemical analysis of tin concentrates--Determination of sulphur content--The high frequency infrared absorption method and the combustion potassium iodate titrimetric method - 英文版 |
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GB/T 12690.9-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals andtheir oxides--Determination of chlorine content--Silver nitrate turbidimetric method - 英文版 |
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GB/T 12690.8-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of sodium content--Flame atomic absorption spectrometric method - 英文版 |
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GB/T 12690.7-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of silicon content--Molybdenum blue spectrophotometric method - 英文版 |
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GB/T 12690.6-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate，1，10-phenanthroline spectrophotometric method - 英文版 |
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GB/T 12690.5-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method--Determination of Co、M - 英文版 |
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GB/T 12690.4-2003 Chemical analysis methods for non-rare earth impurities ofrare earth metals and their oxides--Determination of oxygen and nitrogen content--Impulse-infrared and impulse-thermal conductance absorption method - 英文版 |
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GB/T 12690.13-2003 Chemical analysis methods for non-rareearth impurities of rare earth metals and their oxides--Determination of molybdenum and tungsten content--Induct-ively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum - 英文版 |
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GB/T 12690.12-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of thorium content--Arsenazo III spectrophotometric method and inductively coupled plasma mass spectrum method - 英文版 |
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GB/T 12690.11-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method - 英文版 |
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GB/T 12690.10-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method - 英文版 |
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GB/T 606-2003 Chemical reagent--General method for the determination of water--Karl Fischer method - 英文版 |
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GB/T 11213.3-2003 Sodium hydroxide for chemical fiber use--Determination of the calcium content--EDTA complexometric method - 英文版 |
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GB/T 6285-2003 Determination of trace oxygen in gases--Eletrochemical method - 英文版 |
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GB/T 10574.9-2003 Methods for chemical analysis of tin-lead solders--Determination of aluminum content - 英文版 |
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GB/T 10574.8-2003 Methods for chemical analysis of tin-lead solders--Determination of zinc content - 英文版 |
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GB/T 10574.7-2003 Methods for chemical analysis of tin-lead solders--Determination of silver content - 英文版 |
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GB/T 10574.6-2003 Methods for chemical analysis of tin-lead solders--Determination of copper content - 英文版 |
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GB/T 10574.5-2003 Methods for chemical analysis of tin-lead solders--Determination of arsenic content - 英文版 |
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GB/T 10574.4-2003 Methods for chemical analysis of tin-lead solders--Determination of iron content - 英文版 |
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GB/T 10574.3-2003 Methods for chemical analysis of tin-lead solders--Determination of bismuth content - 英文版 |
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GB/T 10574.2-2003 Methods for chemical analysis of tin-lead solders--Determination of antimony content - 英文版 |
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GB/T 10574.13-2003 Methods for chemical analysis of tin-lead solders--Determination of copper，iron，cadmium，silver，gold，arsenic，zinc，aluminium，bismuth，phosphorous content - 英文版 |
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GB/T 10574.12-2003 Methods for chemical analysis of tin-lead solders--Determination of sulphur content - 英文版 |
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GB/T 10574.1-2003 Methods for chemical analysis of tin-lead solders--Determination of tin content - 英文版 |
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GB/T 10574.11-2003 Methods for chemical analysis of tin-lead solders--Determination of phosphorus content - 英文版 |
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GB/T 10574.10-2003 Methods for chemical analysis of tin-lead solders--Determination of cadmium content - 英文版 |
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