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GB/T 21994.7-2008 Chemical analysis of magnesium fluoride - Part 7: Determination of iron content - Orthophenantholine photometric method $90.00 via email in 1~3 business day valid
GB/T 21994.8-2008 Chemical analysis of magnesium fluoride - Part 8: Determination of sulphate content - Barium sulphate gravimetric method $90.00 via email in 1~3 business day valid
GB/T 26052-2010 Tubular welding rods of tungsten carbide $120.00 via email in 1~3 business day superseded
GB/T 26284-2010 Experimental method for flux inclusions and oxide in wrought magnesium alloys $100.00 via email in 1~3 business day valid
GB/T 3169.1-1982 Chemical analysis of aluminum powder--The gasometric method for determination of active aluminum $180.00 via email in 1~3 business day abolished
GB/T 3169.2-1982 Chemical analysis of aluminum powder--Determination of total aluminum by difference $180.00 via email in 1~3 business day abolished
GB/T 3169.3-1982 Chemical analysis of aluminum powder--The gravimetric method for determination of moisture $180.00 via email in 1~3 business day abolished
GB/T 3169.4-1982 Chemical analysis of aluminum powder--The vacuum-gravimetric method for determination of moisture $180.00 via email in 1~3 business day abolished
GB/T 3169.5-1982 Chemical analysis of aluminum powder--The potassium periodate photometric method for determination of manganese $180.00 via email in 1~3 business day abolished
GB/T 3169.6-1982 Chemical analysis of aluminum powder--The gasometric method for determination of grease $180.00 via email in 1~3 business day abolished
GB/T 40342-2021 Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire $105.00 via email in 1~3 business day valid
GB/T 4374.4-1984 Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders--The fluoride replacement-complexometric method for the determination of aluminium content $180.00 via email in 1~3 business day abolished
GB/T 4374.5-1984 Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders--The acetone-silver chloride turbidimetric method for the determination of chlorine content $184.00 via email in business day abolished
GB/T 4374.6-1984 Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders--Gravimetric method for the determination of hygroscopic moisture content $180.00 via email in 1~3 business day abolished
GB/T 4949-2007 Chemical analysis methods for sacrificial anodes of Al-Zn-In system alloy $420.00 via email in 1~3 business day superseded
GB/T 4949-2018 Chemical analysis methods for sacrificial anodes of Al-Zn-In system alloy $670.00 via email in 1~5 business day valid
GB/T 5195.1-1985 Methods for chemical analysis of fluor-spar; The EDTA volumetric method for the determination of calcium fluoride content $184.00 via email in 1~3 business day superseded
GB/T 5195.1-2006 Fluorspar - Determination of calcium fluoride content $100.00 via email in 1~3 business day abolished
GB/T 5195.2-1985 Methods for chemical analysis of fluor-spar; The EDTA volumetric method for the determination of carbonate content $184.00 via email in 1~3 business day superseded
GB/T 5195.2-2006 Fluorspar―Determination of carbonate content $100.00 via email in 1~3 business day valid
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