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GB/T 1871.4-1995 Phosphate rock and concentrate--Determination of calcium oxide content--Volumetric methods - 英文版 |
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GB/T 1871.3-1995 Phosphate rock and concentrate--Determination of aluminium oxide content--Volumetric and spectrophotometric methods - 英文版 |
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GB/T 1871.2-1995 Phosphate rock and concentrate--Determination of iron oxide content--Volumetric and spectrophotometric methods - 英文版 |
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GB/T 1871.1-1995 Phosphate rock and concentrate--Determination of phosphrous pentoxide content--Quinoline phosphomolybdate gravimetric and volumetric methods - 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 13551-1995 Phosphate rock and concentrate--Determination of cadmium oxide content--Flame atomic absorption spectrometric method - 英文版 |
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GB/T 15555.10-1995 Solid waste--Determination of nickel--Dimethylglyoxime spectrophotometric method - 英文版 |
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GB/T 15436-1995 Ambient air--Determination of nitrogen oxides--Saltzman method - 英文版 |
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GB/T 15435-1995 Ambient air--Determination of nitrogen dioxide--Saltzman method - 英文版 |
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GB/T 15262-1994 Ambient air--Determination of sulfur dioxide--Formaldehyde absorbing-pararosaniline spectrophotometry - 英文版 |
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GB/T 15057.7-1994 Limestone for chemical industry--Determination of aluminium oxide content--Chromazurol S spectrophotometric method - 英文版 |
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GB/T 15057.5-1994 Limestone for chemical industry--Determination of silicon dioxide content--Molybdenum blue spectrophotometric method - 英文版 |
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GB/T 15057.4-1994 Limestone for chemical industry--Determination of iron and aluminium oxides content--Gravimetric method - 英文版 |
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GB/T 15057.2-1994 Limestone for chemical industry--Determination of calcium and magnesium oxides content - 英文版 |
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GB/T 14949.3-1994 Manganese ores--Determination of barium oxide content - 英文版 |
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GB/T 14949.11-1994 Manganese ores--Determination of carbon dioxide 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 2677.5-1993 Fibrous raw material--Determinationof one percent sodium hydroxide solubility - 英文版 |
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GB/T 13906-1992 Air quality--Determination of nitrogen oxides - 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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GB/T 13697-1992 Uranium dioxide pellet--Determination of carbon - 英文版 |
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GB/T 13373-1992 Determination of gadolinium，samarium，dysprosium and europium in uranium dioxide powders and pellets by horizontal ICP-AES - 英文版 |
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GB/T 13372-1992 Determination of traceelements in uranium dioxide powders and pellets by ICP-AES - 英文版 |
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GB/T 13371-1992 Determination of copper，iron，nickel，magnesium，manganese， zinc and silver in uranium dioxide powders and pellets by atomic absorption spectrophotometry - 英文版 |
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GB/T 13370-1992 Determination of lithium，sodium，potassium and cesium in uranium dioxidepowders and pellets by atomic absorption spectrophotometry/flame emission spectrophotometry - 英文版 |
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GB/T 13303-1991 Steels--Determination method of oxidation resistance - 英文版 |
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GB/T 13267-1991 Water quality--Determination of the acute toxicity of substance to a freshwater fish (Brachydanio rerio Hamilton-Buchanan) - 英文版 |
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GB/T 13266-1991 Water quality--Determination of the acute toxicity of substance to Daphnia (Daphnia magna straus) - 英文版 |
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GB/T 12910-1991 Paper and board--Determination of titanium dioxide - 英文版 |
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GB/T 12688.6-1990 Styrene for industrial use--Determination of trace sulfur--Oxidative micro-coulometric method - 英文版 |
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