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GB/T 3396-2002 Ethylene and propylene for industrial use--Determination of trace oxygen--Electrochemical method - 英文版 |
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GB/T 2947-2002 Determination of free water in urea and ammonium nitrate by karl fischer method - 英文版 |
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GB/T 18619.1-2002 Natural gas--Determination ofwater by the Karl fischer method--Coulometric procedure - 英文版 |
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GB/T 18476-2001 Polyolefin pipes for the conveyance of fluids--Determination of resistance to crack propagation--Test method for slow crack growth on notched pipes(notch test) - 英文版 |
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GB/T 223.78-2000 Methods for chemical analysis of iron，steel and alloy--Curcumin spectrophotometric method for the determination of boron content - 英文版 |
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GB/T 223.34-2000 Methods for chemical analysis of iron，steel and alloy--The determination of hydrochloric acid-insoluble content of iron powders - 英文版 |
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GB/T 3051-2000 Inorganic chemical products for industrial use--General method for determination of chloride content--Mercurimetric method - 英文版 |
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GB/T 3050-2000 Inorganic chemical products for industrial use--General method for determination of chloride content--Potentiometric method - 英文版 |
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GB/T 223.8-2000 Methods for chemical analysis of iron，steel and alloy--The sodium fluoride separation--EDTA titration method for the determination of aluminium content - 英文版 |
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GB/T 223.14-2000 Methods for chemical analysis of iron，steel and alloy--The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content - 英文版 |
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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 - 英文版 |
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GB/T 17508-1998 Spectrochemical determination of samarium，euro-pium，gadolinium，dysprosium，cadmium and tantalum in uranium hexafluoride - 英文版 |
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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 - 英文版 |
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GB/T 223.74-1997 Methods for chemical analysis of iron，steel and alloy--The combustion gravimetric/gas-volumetric method for the determination of non-combined carbon content - 英文版 |
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GB/T 223.71-1997 Methods for chemical analysis of iron，steel and alloy--The gravimetric method after combustion in the pipe furnace for the determination of carbon content - 英文版 |
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GB/T 223.68-1997 Methods for chemical analysis of iron，steel and alloy--The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content - 英文版 |
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GB/T 223.60-1997 Methods for chemical analysis of iron，steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content - 英文版 |
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GB/T 16484.17-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of water content in rare earth carbonate - 英文版 |
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GB/T 16480.3-1996 Methods for chemical analysis of yttrium and yttrium oxide--Determination of fluorine content - 英文版 |
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GB/T 16310.5-1996 Specification on evaluation methods of hazards of liquid chemicals transported in bulk by shipping --Assessment procedure and determination of pollution category - 英文版 |
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GB/T 223.6-1994 Methods for chemical analysis of iron，steel and alloy--The neutralization titrimetric method for the determination of boron content - 英文版 |
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GB/T 223.50-1994 Methods for chemical analysis of iron，steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content - 英文版 |
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GB/T 223.49-1994 Methods for chemical analysis of iron，steel and alloy--Extraction separation-chlorophosphonazo mA spectro-photometric method for the determination of the total rare earth content - 英文版 |
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GB/T 223.47-1994 Methods for chemical analysis of iron，steel and alloy--The carrier precipitation-molybdenumblue potometric method for the determination of antimony content - 英文版 |
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GB/T 223.36-1994 Methods for chemical analysis of iron，steel and alloy--The neutral titration method for the determination of nitrogen content after distillation separation - 英文版 |
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GB/T 223.33-1994 Methods forchemical analysis of iron，steel and alloy--The chlorophosphonago mA photometric method for the determination of cerium content after extraction separation - 英文版 |
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GB/T 223.32-1994 Methods for chemical analysis of iron，steel and alloy--The hypophosphite reduction-iodimetric method for the determination of arsenic content - 英文版 |
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GB/T 223.30-1994 Methods for chemical analysis of iron，steel and alloy--The arsenazo Ⅲspectrophotometric method for the determination of zirconium content after separation by p-bromomandelic acid - 英文版 |
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GB/T 15076.7-1994 Methods for chemical analysis of tantalum and niob-ium--Determination of phosphorus content in niob-ium - 英文版 |
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GB/T 15076.6-1994 Methods for chemical analysis of tantalum and niob-ium--Determination of silicon content in tantalum - 英文版 |
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