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GB/T 17063-1997 Workplace air--Determination of antimony and its compounds--Flame atomic absorption spectroscopy - 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 16867-1997 Determination of residual styrene monomer in polystyrene and acry-lonitrile-butadiene-styrene resins by gas chromatography - 英文版 |
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GB/T 4698.12-1996 Sponge titanium，titanium and titanium alloys--Determination of vanadium content--Ammonium ferrous sulfate titration method - 英文版 |
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GB/T 4698.11-1996 Sponge titanium，titanium and titanium alloys--Determination of chromium content in the absence of Vanadium--Ammonium ferrous sulfate titration method - 英文版 |
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GB/T 4698.10-1996 Sponge titanium，titanium and titanium alloys--Determination of chromium content in thepresence of Vanadium--Ammonium ferrous sulfate titration method - 英文版 |
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GB/T 16037-1995 Workplace air--Determination of phosphine--Ammonium molybdate spectrophotometric method - 英文版 |
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GB/T 16036-1995 Workplace air--Determination of phosphorus pentoxide--Ammonium molybdate spectrophotometric method - 英文版 |
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GB/T 16031-1995 Workplace air--Determination ofammonia--Nessler’s reagent spectrophotometric method - 英文版 |
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GB/T 15917.3-1995 Dysprosium and dysprosium oxide--Determination of tantalum content--Para-chloride-phenylfluorone-cetyl trimethyl ammonium bromide-ethanol spectrophotometric method - 英文版 |
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GB/T 15501-1995 Air quality--Determination of nitrobenzene(mononitro and dinitro-compound)--Reduction by zinc-N-(1-Naphthyl) ethylene diamine dihydrochloride spectrophotometric method - 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 15076.11-1994 Methods for chemical analysis of tantalum and niob-ium--Determination of arsenic antimony，lead，tin and bismuth contents in niobium - 英文版 |
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GB/T 14669-1993 Air quality--Determination of ammonia--Ion selective electrode method - 英文版 |
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GB/T 14668-1993 Air quality--Determination of ammonia--Nessler’s reagent colorimetric method - 英文版 |
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GB/T 14679-1993 Air quality--Determination of ammonia--Sodium salicylate-sodium hypochlorite spectrophotometric method - 英文版 |
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GB/T 14571.2-1993 Monoethylene glycol for industrial use--Determination of diethylene glycol and triethylene glycol--Gas chromatographic method - 英文版 |
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GB/T 14520-1993 Determination of residual styrene monomer content in reinforced plastics based on unsaturated polyester resins by gas chromatography - 英文版 |
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GB/T 14375-1993 Water quality--Determination of monomethyl hydrazine--p-Dimethylaminobenzaldehyde spectrophotometric method - 英文版 |
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GB/T 13580.11-1992 Determination of ammonium in the wet precipitation - 英文版 |
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GB/T 13194-1991 Water quality--Determination of nitrobenzene， mononi-trotoluene (MNT)， nitrochlorobenzene and oinitrotoluene (ONT)--Gas chromatography - 英文版 |
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GB/T 11893-1989 Water quality--Determination of total phosphorus--Ammonium molybdate spectrophotometric method - 英文版 |
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GB/T 3653.6-1988 Methods for chemical analysisof ferroboron--The reduced molybdoantimonylphosphoric acid photometric method for the determination of phosphorus content - 英文版 |
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GB/T 9758.2-1988 Paints and varnishes--Determination of “soluble” metal content--Part 2:Determination of antimony content--Flame atomic absorption spectrometric method and rhodamine B spectrophotometric method - 英文版 |
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GB/T 9801-1988 Air quality--Determination of carbon monoxide--Non-disperisive infrared spectrometry - 英文版 |
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GB/T 8911-1988 Hygienic determination method of carbon monoxide in air of residential areas--Method of replacing mercury - 英文版 |
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GB/T 7481-1987 Water quality--Determination of ammonium--Spectrophotometric method with salicylic acid - 英文版 |
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GB/T 7479-1987 Water quality--Determination of ammonium--Nessler’s reagent colorimetric method - 英文版 |
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GB/T 7478-1987 Water quality--Determination of ammonium--Distillation and titration method - 英文版 |
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GB/T 5474-1985 Phenol-formaldehyde mouldings--Determination of free ammonia and ammonium compounds--Colorimetric comparison method - 英文版 |
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