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GB/T 11910-1989 Water quality--Determination of nickel--Dimethylglyoxime spectrophotometric method - 英文版 |
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GB/T 11909-1989 Water quality--Determination of silver--Spectrophotometric method with 3，5-Br2-PADAP - 英文版 |
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GB/T 11907-1989 Water quality--Determination ofsilver--Flame atomic absorption spectrophotometric method - 英文版 |
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GB/T 11906-1989 Water quality--Determination of manganese--Potassium periodate spectrophotometric method - 英文版 |
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GB/T 11905-1989 Water quality--Determination ofcalcium and magnesium--Atomic absorption spectrophotometric method - 英文版 |
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GB/T 11902-1989 Water quality--Determination of selenium--Diaminonaphthalene fluorometric method - 英文版 |
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GB/T 11901-1989 Water quality--Determination of suspended substance--Gravimetric method - 英文版 |
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GB/T 11900-1989 Water quality--Determination of trace amounts of arsenic--Spectrophotometric method with silver salt - 英文版 |
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GB/T 11899-1989 Water quality--Determination of sulfate--Gravimetric method - 英文版 |
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GB/T 11898-1989 Water quality--Determination of free chlorine and total chlorine--Spectrophotometric method using N，N-diethyl-1，4-phenylenediamine - 英文版 |
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GB/T 11897-1989 Water quality--Determination of free chlorine and total chlorine--Titrimetric method using N，N-diethyl-1，4-phenylenediamine - 英文版 |
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GB/T 11896-1989 Water quality--Determination of chloride--Silver nitrate titration method - 英文版 |
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GB/T 11895-1989 Water quality--Determination of benzo(a)-pyrene--Acetylated paper chromatography with fluorescence spectrophotometric method - 英文版 |
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GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photo metric method - 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 11890-1989 Water quality--Determination of benzeneand its analogies--Gas chromatographic method - 英文版 |
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GB/T 11889-1989 Water quality--Determination of aniline compounds--Spectrophotometric method with N-(1-naphthyl) ethy lenediamine - 英文版 |
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GB/T 11841-1989 Uraniumdioxide powder and pellets--Determination of uranium--Ferrous sulfate reduction-potassium dichromate oxidation titrimatric method - 英文版 |
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GB/T 11848.4-1989 Determination of arsenic in uranium ore concentrate by diethyldithiocarbamate photometric method - 英文版 |
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GB/T 11848.11-1989 Determination of thorium in uranium ore concentrate by thorin photometric method - 英文版 |
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GB/T 11845-1989 Uranium dioxide powder and pellets--Determination of tungsten--Spectrophotometric method - 英文版 |
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GB/T 11843-1989 Uranium dioxide powder and pellets--Determination of nitrogen--Spectrophotometric method - 英文版 |
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GB/T 11842-1989 Determination of oxygen to uranium atomic ratic in uranium dioxide powder and pellets by thermogravimetric method - 英文版 |
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GB/T 223.66-1989 Methods for chemical analysis of iron，steel and alloy--The thiocyanate chlorpromazine hydrochloride--chloro form extraction photometric method for the determination of tungsten content - 英文版 |
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GB/T 223.46-1989 Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of magnesium content - 英文版 |
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GB/T 223.37-1989 Methods for chemical analysis of iron，steel and alloy--The indophenol blue photometric method for the determination of nitrogen content after distillation separation - 英文版 |
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GB/T 223.28-1989 Methods for chemical analysis of iron，steel and alloy--The α-benzoinoxime gravimetric method for the determination of molybdenum content - 英文版 |
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GB/T 223.19-1989 Methods for chemical analysis of iron，steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content - 英文版 |
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GB/T 223.17-1989 Methods for chemical analysis of iron，steel and alloy--The diantipyryl methane photometric method for the determination of titanium content - 英文版 |
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GB/T 11137-1989 Black petroleum products--Determination of kinematic viscosity (reverse-flow method) and calculation of dynamic viscosity - 英文版 |
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