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GB/T 223.76-1994 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrometric method for the determination of vanadium content - 英文版 |
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GB/T 223.25-1994 Methods for chemical analysis of iron,steel and alloy--The dimethylglyoxime gravimetric method forthe determination of nickel content - 英文版 |
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GB/T 223.22-1994 Methods for chemical analysis of iron,steel and alloy--The nitroso-R-salt spectrophotometric method for the determination of cobalt content - 英文版 |
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GB/T 223.21-1994 Methods for chemical analysis of iron,steel and alloy--The 5-Cl-PADAB spectrophotometricmethod for the determination of cobalt content - 英文版 |
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GB/T 223.20-1994 Methods for chemical analysis of iron,steel and alloy--The fotentiometric titration method for the determination of cobalt content - 英文版 |
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GB/T 223.18-1994 Methods for chemical analysis of iron,steel and alloy--The sodium thiosulfate separation iodimetric method for the determination of copper content - 英文版 |
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GB/T 1601-1993 Determination method of pH value for pesticides - 英文版 |
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GB/T 14827-1993 Organic chemical products forindustrial use--Test method for the determination of acidity and alkal-inity--Volumetric method - 英文版 |
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GB/T 14802-1993 Textiles--Determination of smoke density--Light extinction method - 英文版 |
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GB/T 14673-1993 Water quality--Determination of vanadium--Graphite furnace atomic absorption spectrometric method - 英文版 |
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GB/T 14671-1993 Water quality--Determination of barium--Potentiometric titration method - 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 14680-1993 Air quality--Determination of carbon disulfide--Diethylamine spectrophometric 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 14675-1993 Air quality--Determination of odor--Triangle odor bag 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 14571.1-1993 Ethylene glycol for industrial use--Determination of acidity--Titrimetric method - 英文版 |
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GB/T 14489.3-1993 Method for determination of free fatty acids content of oils in oilseeds - 英文版 |
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GB/T 14378-1993 Water quality--Determination of diethylenetriamine--Salicyiclaldehyde spectrophotometric method - 英文版 |
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GB/T 14377-1993 Water quality--Determination of triethylamine--Bromophenol blue spectrophotometric method - 英文版 |
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GB/T 14376-1993 Water quality--Determination of asymmetrical dimethyl hydrazine--Amino ferrocyanide sodium spectrophotometric method - 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 13747.9-1992 Zirconium and zirconium alloys--Determination of magnesium content--Flame absorption spectrometric method - 英文版 |
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GB/T 13747.8-1992 Zirconium and zirconium alloys--Determination of cobalt content--1-Nitroso-2-hydroxy-3,6-naphthalene-disulfonic acid (sodium salt) spectrophotometric method - 英文版 |
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GB/T 13747.7-1992 Zirconium and zirconium alloys--Determination of manganese content--Potassium periodate spectrophotometric method - 英文版 |
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GB/T 13747.6-1992 Zirconium and zirconium alloys--Determination of copper content--2,9-Dimethyl-1,10-phenanthroline spectrophotometric method - 英文版 |
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GB/T 13747.5-1992 Zirconium and zirconium alloys--Determination of aluminium content--Chrome azurol S spectrophotometric method - 英文版 |
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GB/T 13747.4-1992 Zirconium and zirconium alloys--Determination of chromium content--Diphenylcarbazide spectrophoto-metric method - 英文版 |
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GB/T 13747.3-1992 Zirconium and zirconium alloys--Determination of nickel content--Dimethylglyoxime spectrophoto-metric method - 英文版 |
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