China National Standards

China oxides GB Standards List


  •  China "oxides" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 12690.12-2024 Non-rare earth impurities in rare earth metals and their oxides - Chemical analysis methods - Part 12: Determination of thorium and uranium content - Inductively coupled plasma mass spectrometry {译}
    稀土金属及其氧化物中非稀土杂质-化学分析方法-第12部分:钍、铀量的测定-电感耦合等离子体质谱法
    China National Standards
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    GB/T 43742-2024 Methods for testing the mechanical strength of magnetic cores made of magnetic oxides {译}
    工业园区水回用指南
    China National Standards
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    GB/T 18115.6-2023 Methods for chemical analysis of rare earth impurities in rare earth metals and their oxides - Part 6: Determination of the amounts of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in europium {译}
    稀土金属及其氧化物中稀土杂质化学分析方法 第6部分:铕中镧、铈、镨、钕、钐、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18882.1-2023 Methods for chemical analysis of mixed rare earth oxides of ionic rare earth ores - Part 1: Determination of the proportions of fifteen rare earth element oxides {译}
    离子型稀土矿混合稀土氧化物化学分析方法 第1部分:十五个稀土元素氧化物配分量的测定
    China National Standards
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    GB/T 12690.1-2022 Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides—Part 1: Determination of carbon and sulfur content—High frequency-infrared absorption method {译}
    稀土金属及其氧化物中非稀土杂质化学分析方法 第1部分:碳、硫量的测定 高频-红外吸收法
    China National Standards
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    GB/T 40266-2021 Quality general rules of oxides barrier transparent plastics laminated films and pouches for food packaging
    食品包装用氧化物阻隔透明塑料复合膜、袋质量通则
    China National Standards
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    GB/T 12690.8-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8:Determination of sodium content
    稀土金属及其氧化物中非稀土杂质化学分析方法 第8部分:钠量的测定
    China National Standards
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    GB/T 12690.4-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method
    稀土金属及其氧化物中非稀土杂质化学分析方法 第4部分:氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法
    China National Standards
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    GB/T 18115.4-2021 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 4: Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 第4部分:钕中镧、铈、镨、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 12690.7-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content
    稀土金属及其氧化物中非稀土杂质化学分析方法 第7部分:硅量的测定
    China National Standards
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    GB/T 18115.2-2020 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 2: Determination of lanthanum, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 第2部分:铈中镧、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.1-2020 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttri
    稀土金属及其氧化物中稀土杂质化学分析方法 第1部分:镧中铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 38316-2019 Test method of explosive power for organic peroxides and self-reactive substances
    有机过氧化物和自反应物质作功能力的试验方法
    China National Standards
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    GB/T 38316-2019 Test method of explosive power for organic peroxides and self-reactive substances
    有机过氧化物和自反应物质作功能力的试验方法
    China National Standards
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    GB/T 37186-2018 Gas analysis—Determination of sulfur dioxide and nitrogen oxides—Ultraviolet differential optical absorption spectroscopy
    气体分析-二氧化硫和氮氧化物的测定-紫外差分吸收光谱分析法
    China National Standards
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    GB/T 12690.15-2018 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides―Part 15: Determination of calcium content
    稀土金属及其氧化物中非稀土杂质 化学分析方法 第15部分:钙量的测定
    China National Standards
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    GB/T 12690.19-2018 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents
    稀土金属及其氧化物中非稀土杂质化学分析方法 第19部分:砷、汞量的测定
    China National Standards
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    GB/T 12690.5-2017 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 5: Determination of cobalt,manganese,lead,nickel,copper,zinc,aluminum,chromium,magnesium,cadmium,vanadium and iron contents
    稀土金属及其氧化物中非稀土杂质化学分析方法 第5部分:钴、锰、铅、镍、铜、锌、铝、铬、镁、镉、钒、铁量的测定
    China National Standards
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    GB/T 12690.18-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides— Part 18: Determination of zirconium content
    稀土金属及其氧化物中非稀土杂质化学分析方法 第18部分:锆量的测定
    China National Standards
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    GB/T 12690.6-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 6: Determination of iron content—Kslium thiocyanate, 1,10-Phenanthroline spectrophotometric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 第6部分:铁量的测定 硫氰酸钾、1,10-二氮杂菲分光光度法
    China National Standards
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    GB/T 32102-2015 Determination for assay of organic peroxides—Iodometric method
    有机过氧化物含量的测定 碘量法
    China National Standards
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    GB/T 31965-2015 Praseodymium-neodymium oxides
    镨钕氧化物
    China National Standards
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    GB/T 12690.3-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 3: Determination of water content of rare earth oxides—Gravimetric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 第3部分:稀土氧化物中水分量的测定 重量法
    China National Standards
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    GB/T 12690.2-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 2: Determination of ignition loss content of rare earth oxides—Gravimetric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 第2部分:稀土氧化物中灼减量的测定 重量法
    China National Standards
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    GB/T 12690.1-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 1: Determination of carbon and sulfur contents—High frequency-infrared absorption method
    稀土金属及其氧化物中非稀土杂质化学分析方法 第1部分:碳、硫量的测定 高频-红外吸收法
    China National Standards
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    GB/T 11039.4-2014 Textiles―Tests for colour fastness―Colour fastness to contaminants―Part 4: oxides of nitrogen in the atmosphere at high humidities
    纺织品 色牢度试验 耐大气污染物色牢度 第4部分:高湿氧化氮
    China National Standards
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    GB 30000.16-2013 Rules for classification and labelling of chemicals - Part 16: Organic peroxides
    化学品分类和标签规范 第16部分:有机过氧化物
    China National Standards
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    GB/T 9630-2012 Dimensions of pot-cores made of magnetic oxides and associated parts
    磁性氧化物制成的罐形磁心及其附件的尺寸
    China National Standards
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    GB/T 28868-2012 Dimensions of uncoated ring cores of magnetic oxides
    未经涂覆的磁性氧化物环形磁心的尺寸
    China National Standards
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    GB/T 12798-2012 Axial lead cores made of magnetic oxides or iron powder
    磁性氧化物或铁粉制成的轴向引线磁心
    China National Standards
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    GB 28644.3-2012 Classification and list of organic peroxides
    有机过氧化物分类及品名表
    China National Standards
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    GB 27833-2011 Safety code for packaging of hazardous chemicals of organic peroxides
    危险化学品有机过氧化物包装规范
    China National Standards
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    GB/T 12688.4-2011 Test method of styrene for industrial use - Part 4:Determination of content of peroxides - Titrimetric method
    工业用苯乙烯试验方法 第4部分:过氧化物含量的测定 滴定法
    China National Standards
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    GB/T 26458-2011 Fatty alkyl dimethyl amine oxides
    脂肪烷基二甲基氧化胺
    China National Standards
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    GB/T 18115.15-2010 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 15: Lutetium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytte
    稀土金属及其氧化物中稀土杂质化学分析方法 第15部分:镥中镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱和钇量的测定
    China National Standards
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    GB/T 18115.14-2010 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 14 : Ytterbium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, lu
    稀土金属及其氧化物中稀土杂质化学分析方法 第14部分:镱中镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镥和钇量的测定
    China National Standards
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    GB/T 18115.13-2010 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 13: Thulium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, lut
    稀土金属及其氧化物中稀土杂质化学分析方法 第13部分:铥中镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、镱、镥和钇量的测定
    China National Standards
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    GB/T 12690.17-2010 Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 17:Determination of niobium and tantalum contents of rare earth metals
    稀土金属及其氧化物中非稀土杂质化学分析方法 第17部分:稀土金属中铌、钽量的测定
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    GB/T 12690.16-2010 Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 16: Determination of fluorine content - Ion selective electrode analysis
    稀土金属及其氧化物中非稀土杂质化学分析方法 第16部分:氟量的测定 离子选择性电极法
    China National Standards
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    GB/T 7717.10-2008 Acrylonitrile for industrial use - Part 10: Determination of content of peroxides - Spectrophotometric method
    工业用丙烯腈 第10部分: 过氧化物含量的测定 分光光度法
    China National Standards
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    GB/T 18116.2-2008 Chemical analysis methods of Yttrium-europium oxides - Determination of europium oxides
    氧化钇铕化学分析方法 氧化铕量的测定
    China National Standards
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    GB 21178-2007 Chassification procedure for self-reactive substances and organic peroxides
    自反应物质和有机过氧化物分类程序
    China National Standards
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    GB/T 20873-2007 PM-cores made of magnetic oxides and associated parts-dimensions
    磁性氧化物制成的PM磁心及其附件的尺寸
    China National Standards
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    GB/T 20872-2007 Dimensions of low-profile cores made of magnetic oxides
    磁性氧化物制成的低矮形磁芯的尺寸
    China National Standards
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    GB/T 18115.9-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Dysprosium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 镝中镧、铈、镨、钕、钐、铕、钆、铽、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.8-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Terbium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 铽中镧、铈、镨、钕、钐、铕、钆、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.7-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Gadolinium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 钆中镧、铈、镨、钕、钐、铕、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.6-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Europium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 铕中镧、铈、镨、钕、钐、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.5-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Samarium-Determination of lanthanum, cerium, praseodymium, neodymium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 钐中镧、铈、镨、钕、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.4-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Neodymium-Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 钕中镧、铈、镨、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.3-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Praseodymium-Determination of lanthanum, cerium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 镨中镧、铈、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.2-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Cerium-Determination of lanthanum, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 铈中镧、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.12-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Yttrium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lut
    稀土金属及其氧化物中稀土杂质化学分析方法 钇中镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱和镥量的测定
    China National Standards
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    GB/T 18115.1-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Lanthanum-Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 镧中铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.11-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Erbium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 铒中镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 18115.10-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Holmium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, erbium, thulium, ytterbium, lutetium and yt
    稀土金属及其氧化物中稀土杂质化学分析方法 钬中镧、铈、镨、钕、钐、铕、钆、铽、镝、铒、铥、镱、镥和钇量的测定
    China National Standards
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    GB/T 12690.14-2006 Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides Determination of titanium in rare earth metals
    稀土金属及其氧化物中非稀土杂质化学分析方法 钛量的测定
    China National Standards
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    GB/T 11039.1-2005 Textiles-Tests for colour fastness-Colour fastness to Contaminants part1:nitrogen oxides
    纺织品 色牢度试验 耐大气污染物色牢度 第1部分:氧化氮
    China National Standards
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    GB 19521.12-2004 Safety code for inspection ofhazardous properties for dangerous goods of organic peroxides
    有机过氧化物危险货物危险特性检验安全规范
    China National Standards
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    GB/T 12690.9-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals andtheir oxides--Determination of chlorine content--Silver nitrate turbidimetric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 氯量的测定 硝酸银比浊法
    China National Standards
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    GB/T 12690.8-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of sodium content--Flame atomic absorption spectrometric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 钠量的测定 火焰原子吸收光谱法
    China National Standards
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    GB/T 12690.7-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of silicon content--Molybdenum blue spectrophotometric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 硅量的测定 钼蓝分光光度法
    China National Standards
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    GB/T 12690.6-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate,1,10-phenanthroline spectrophotometric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 铁量的测定 硫氰酸钾、1,10-二氮杂菲分光光度法
    China National Standards
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    GB/T 12690.5-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method--Determination of Co、M
    稀土金属及其氧化物中非稀土杂质化学分析方法 铝、铬、锰、铁、钴、镍、铜、锌、铅的测定 电感耦合等离子体发射光谱法(方法1) 钴、锰、铅、镍、铜、锌、铝、铬的测定 电感耦合等离子
    China National Standards
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    GB/T 12690.4-2003 Chemical analysis methods for non-rare earth impurities ofrare earth metals and their oxides--Determination of oxygen and nitrogen content--Impulse-infrared and impulse-thermal conductance absorption method
    稀土金属及其氧化物中非稀土杂质化学分析方法 氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法
    China National Standards
    oxides

    English PDF
    GB/T 12690.13-2003 Chemical analysis methods for non-rareearth impurities of rare earth metals and their oxides--Determination of molybdenum and tungsten content--Induct-ively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum
    稀土金属及其氧化物中非稀土杂质化学分析方法 钼、钨量的测定 电感耦合等离子体发射光谱法和电感耦合等离子体质谱法
    China National Standards
    oxides

    English PDF
    GB/T 12690.12-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of thorium content--Arsenazo III spectrophotometric method and inductively coupled plasma mass spectrum method
    稀土金属及其氧化物中非稀土杂质化学分析方法 钍量的测定 偶氮胂III分光光度法和电感耦合等离子体质谱法
    China National Standards
    oxides

    English PDF
    GB/T 12690.11-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 镁量的测定 火焰原子吸收光谱法
    China National Standards
    oxides

    English PDF
    GB/T 12690.10-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 磷量的测定 钼蓝分光光度法
    China National Standards
    oxides

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    GB/T 15245-2002 Quantitative analysis of rare earth element(REE)oxides by electron probe microanalysis(EPMA)
    稀土氧化物的电子探针定量分析方法
    China National Standards
    oxides

    English PDF
    GB/T 17828-1999 Butadiene for industrial use--Determination of peroxides--Titrimetric method
    工业用丁二烯中过氧化物含量的测定 滴定法
    China National Standards
    oxides

    English PDF
    GB/T 17096-1997 Hygienic standard for nitrogen oxides in indoor air
    室内空气中氮氧化物卫生标准
    China National Standards
    oxides

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    GB/T 16032-1995 Workplace air--Determination of nitrogen oxides--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
    车间空气中氧化氮的盐酸萘乙二胺分光光度测定方法
    China National Standards
    oxides

    English PDF
    GB/T 15436-1995 Ambient air--Determination of nitrogen oxides--Saltzman method
    环境空气 氮氧化物的测定 Saltzman法
    China National Standards
    oxides

    English PDF
    GB/T 15057.4-1994 Limestone for chemical industry--Determination of iron and aluminium oxides content--Gravimetric method
    化工用石灰石中三氧化二物含量的测定 重量法
    China National Standards
    oxides

    English PDF
    GB/T 15057.2-1994 Limestone for chemical industry--Determination of calcium and magnesium oxides content
    化工用石灰石中氧化钙和氧化镁含量的测定
    China National Standards
    oxides

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    GB/T 13906-1992 Air quality--Determination of nitrogen oxides
    空气质量 氮氧化物的测定
    China National Standards
    oxides

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    GB 11529-1989 Hygienic standard for cobalt and its oxides in the air of workplace
    车间空气中钴及其氧化物卫生标准
    China National Standards
    oxides

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    GB/T 10192-1988 Dimensions of screw cores made of ferromagnetic oxides
    磁性氧化物制成的螺纹磁芯的尺寸
    China National Standards
    oxides

    English PDF
    GB/T 9636-1988 Aerial rods and slabs made of magnetic oxides
    磁性氧化物制成的圆天线棒和扁天线棒
    China National Standards
    oxides

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    GB/T 8969-1988 Air quality--Determination of nitrogen oxides in ambient air--Griess-saltzman method
    空气质量 氮氧化物的测定 盐酸萘乙二胺比色法
    China National Standards
    oxides

    English PDF
    GB 7801-1987 Diagnostic criteria and principles of management of occupational acute nitrogen oxides
    职业性急性氮氧化物中毒诊断标准及处理原则
    China National Standards
    oxides

    English PDF

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