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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
Standard Code | Standard Title | Standard Class | Order |
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GB/T 32309-2015 |
Hydrogen peroxide low temperature plasma sterilizer 过氧化氢低温等离子体灭菌器 |
China National Standards oxide |
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GB 1903.4-2015 |
National food safety standard — Food nutritional fortification substance — Zinc oxide 食品安全国家标准 食品营养强化剂 氧化锌 |
China National Standards oxide |
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GB/T 32112-2015 |
Determination of peroxide in oral care products—High performance liquid chromatography method 口腔护理产品中过氧化物的测定方法 高效液相色谱法 |
China National Standards oxide |
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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 oxide |
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GB 32051-2015 |
The norm of energy consumption per unit products of titanium dioxide 钛白粉单位产品能源消耗限额 |
China National Standards oxide |
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GB/T 31968-2015 |
Rare earth composite yttrium zirconium oxide ceramic powder 稀土复合钇锆陶瓷粉 |
China National Standards oxide |
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GB/T 31965-2015 |
Praseodymium-neodymium oxides 镨钕氧化物 |
China National Standards oxide |
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GB/T 5240-2015 |
Neodymium oxide 氧化钕 |
China National Standards oxide |
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GB/T 5239-2015 |
Praseodymium oxide 氧化镨 |
China National Standards oxide |
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GB/T 5121.29-2015 |
Methods for chemical analysis of copper and copper alloys—Part 29: Determination of aluminium oxide content 铜及铜合金化学分析方法 第29部分:三氧化二铝含量的测定 |
China National Standards oxide |
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GB/T 4372.4-2015 |
Methods for chemical analysis of zincoxide produced by direct process—Part 4:Determination of cadmium oxide content—Flame atomic absorption spectrometry method 直接法氧化锌化学分析方法 第4部分:氧化镉量的测定 火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 4372.3-2015 |
Methods for chemical analysis of zincoxide produced by direct process—Part 3:Determination of copper oxide content—Flame atomic absorption spectrometry method 直接法氧化锌化学分析方法 第3部分:氧化铜量的测定 火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 4154-2015 |
Lanthanum oxide 氧化镧 |
China National Standards oxide |
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GB/T 3504-2015 |
Europium oxide 氧化铕 |
China National Standards oxide |
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GB/T 3503-2015 |
Yttrium oxide 氧化钇 |
China National Standards oxide |
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GB/T 20169-2015 |
Mixed rare earth oxide of ion-absorpted type rare earth ore 离子型稀土矿混合稀土氧化物 |
China National Standards oxide |
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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 oxide |
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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 oxide |
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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 oxide |
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GB/T 6346.3-2015 |
Fixed capacitors for use in electronic equipment—Part 3: Sectional specification—Surface mount fixed tantalum electrolytic capacitors with manganese dioxide solid electrolyte 电子设备用固定电容器 第3部分:分规范 表面安装MnO2固体电解质钽固定电容器 |
China National Standards oxide |
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GB/T 6346.301-2015 |
Fixed capacitors for use in electronic equipment—Part 3-1: Blank detail specification—Surface mount fixed tantalum electrolytic capacitors with manganese dioxide solid electrolyte—Assessment level EZ 电子设备用固定电容器 第3-1部分:空白详细规范 表面安装MnO2固体电解质钽固定电容器 评定水平EZ |
China National Standards oxide |
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GB/T 13698-2015 |
Determination of total hydrogen in uranium dioxide pellets 二氧化铀芯块中总氢的测定 |
China National Standards oxide |
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GB/T 11846-2015 |
Determination of silicon in uranium dioxide powder and pellets by spectrophotometry 二氧化铀粉末和芯块中硅的测定 分光光度法 |
China National Standards oxide |
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GB/T 11844-2015 |
Determination of fluorine and chlorine in uranium dioxide powder and pellets—Pyrohydrolysis ion-selective electrode method 二氧化铀粉末和芯块中氟、氯的测定 高温水解-离子选择性电极法 |
China National Standards oxide |
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GB/T 31709-2015 |
Data processing of background atmospheric carbon dioxide and methane concentration measured by in situ gas chromatographic (GC) system 气相色谱法本底大气二氧化碳和甲烷浓度在线观测数据处理方法 |
China National Standards oxide |
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GB/T 31707-2015 |
Data processing of background atmospheric carbon monoxide concentration measured by in situ gas chromatographic (GC) system 气相色谱法本底大气一氧化碳浓度在线观测数据处理方法 |
China National Standards oxide |
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GB/T 31705-2015 |
In situ mesaurement of background atmospheric carbon dioxide and methane concentration by gas chromatographic(GC) system 气相色谱法本底大气二氧化碳和甲烷浓度在线观测方法 |
China National Standards oxide |
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GB/T 5598-2015 |
Test method for thermal conductivity of beryllium oxide ceramics 氧化铍瓷导热系数测定方法 |
China National Standards oxide |
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GB/T 4372.7-2014 |
Methods for chemical analysis of zinc oxide produced by direct process―Part 7:Determinantion of ferric oxide content―Flame atomic absorption spectrometry method 直接法氧化锌化学分析方法 第7部分:三氧化二铁量的测定 火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 4372.6-2014 |
Methods for chemical analysis of zincoxide produced by direct process―Part 6:Testing of metallic zinc 直接法氧化锌化学分析方法 第6部分:金属锌的检验 |
China National Standards oxide |
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GB/T 4372.5-2014 |
Methods for chemical analysis of zinc oxide produced by direct process―Part 5:Determination of manganese content―Flame atomic absorption spectrometry method 直接法氧化锌化学分析方法 第5部分:锰量的测定 火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 4372.2-2014 |
Methods for chemical analysis of zinc oxide produced by direct process―Part 2:Determination of lead oxide content―Flame atomic absorption spectrometry method 直接法氧化锌化学分析方法 第2部分:氧化铅量的测定 火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 4372.1-2014 |
Methods for chemical analysis of zincoxide produced by direct process―Part 1:Determination of zinc oxide content―Na2EDTA titration method 直接法氧化锌化学分析方法 第1部分:氧化锌量的测定 Na2EDTA滴定法 |
China National Standards oxide |
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GB/T 3884.18-2014 |
Methods for chemical analysis of copper concentrates―Part 18:Determination of arsenic,antimony,bismuth,lead,zinc,nickel,cadmium,cobalt,magnesium oxide,calcium oxide contents―Inductively coupled plasma atomic emission spectrometry 铜精矿化学分析方法 第18部分:砷、锑、铋、铅、锌、镍、镉、钴、氧化镁、氧化钙量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards oxide |
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GB/T 3884.17-2014 |
Methods for chemical analysis of copper concentrates―Part 17:Determination of aluminium oxide content―Chromazurol S spectrophotometric method and fluoride salts device-Na2EDTA titrimetric method 铜精矿化学分析方法 第17部分:三氧化二铝量的测定 铬天青S胶束增溶光度法和沉淀分离-氟盐置换-Na2EDTA滴定法 |
China National Standards oxide |
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GB/T 3884.16-2014 |
Methods for chemical analysis of copper concentrates―Part 16: Determination of silicon dioxide content―K2SiF6 titrimetric method and Gravimetric method 铜精矿化学分析方法 第16部分:二氧化硅量的测定 氟硅酸钾滴定法和重量法 |
China National Standards oxide |
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GB/T 31225-2014 |
Test method for the thickness of silicon oxide on Si substrate by ellipsometer 椭圆偏振仪测量硅表面上二氧化硅薄层厚度的方法 |
China National Standards oxide |
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GB/T 7698-2014 |
Sodium hydroxide for industrial use―Determination of carbonates content―Titrimetric method 工业用氢氧化钠 碳酸盐含量的测定 滴定法 |
China National Standards oxide |
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GB/T 4348.2-2014 |
Sodium hydroxide for industrial use―Determination of sodium chloride content―Mercurimetric method 工业用氢氧化钠 氯化钠含量的测定 汞量法 |
China National Standards oxide |
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GB/T 31193-2014 |
Test method of activity for titanium oxide type sulfur recovery catalyst 二氧化钛型硫磺回收催化剂活性试验方法 |
China National Standards oxide |
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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 oxide |
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GB/T 30984.2-2014 |
Solar glass―Part 2:Transparent conductive oxide coated glass 太阳能用玻璃 第2部分:透明导电氧化物膜玻璃 |
China National Standards oxide |
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GB/T 20252-2014 |
Lithium cobalt oxide 钴酸锂 |
China National Standards oxide |
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GB/T 30793-2014 |
Measuring ratio of anatase to rutile in titanium dioxide pigments by X-ray diffraction X-射线衍射法测定二氧化钛颜料中锐钛型与金红石型比率 |
China National Standards oxide |
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GB/T 1919-2014 |
Potassium hydroxide for industrial use 工业氢氧化钾 |
China National Standards oxide |
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GB/T 1616-2014 |
Hydrogen peroxide for industrial use 工业过氧化氢 |
China National Standards oxide |
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GB/T 30836-2014 |
Lithium titanium oxide and its carbon composite anode materials for lithium ion battery 锂离子电池用钛酸锂及其炭复合负极材料 |
China National Standards oxide |
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GB/T 3286.9-2014 |
Method for chemical analysis of limestone and dolomite―Part 9: The determination of carbon dioxide content―The caustic asbestos absorption gravimetric method 石灰石及白云石化学分析方法 第9部分:二氧化碳含量的测定 烧碱石棉吸收重量法 |
China National Standards oxide |
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GB/T 3286.5-2014 |
Method for chemical analysis of limestone and dolomite―Part 5:The determination of manganese oxide content―The periodate oxidation spectrophotometric method 石灰石及白云石化学分析方法 第5部分:氧化锰含量的测定 高碘酸盐氧化分光光度法 |
China National Standards oxide |
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GB/T 30537-2014 |
Superconductivity―Measurements for bulk high temperature superconductors―Trapped flux density of large grain oxide superconductors 超导电性 块状高温超导体的测量 大晶粒氧化物超导体的俘获磁通密度 |
China National Standards oxide |
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GB 30614-2014 |
National Food Safety Standard-Food Additives-Calcium oxide 食品安全国家标准 食品添加剂 氧化钙 |
China National Standards oxide |
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GB/T 30449-2013 |
Nanoscale tin dioxide 纳米二氧化锡 |
China National Standards oxide |
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GB/T 4062-2013 |
Antimony trioxide 三氧化二锑 |
China National Standards oxide |
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GB 29979-2013 |
National Food Safety Standard Food Additive Identification Allyl disulfide Food Additive Identification Linalool oxide 食品安全国家标准 食品添加剂 氧化芳樟醇 |
China National Standards oxide |
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GB/T 8766-2013 |
Lithium hydroxide monohydrate 单水氢氧化锂 |
China National Standards oxide |
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GB/T 3457-2013 |
Tungstic oxide 氧化钨 |
China National Standards oxide |
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GB/T 11064.9-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 9: Determination of sulfate content - Barium sulfate nephelometry method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第9部分: 硫酸根量的测定 硫酸钡浊度法 |
China National Standards oxide |
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GB/T 11064.8-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 8: Determination of silicon content - Molybdenum blue spectrophotometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第8部分:硅量的测定 钼蓝分光光度法 |
China National Standards oxide |
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GB/T 11064.7-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 7: Determination of iron content-1,10-phenanthroline spectrophotometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第7部分:铁量的测定 邻二氮杂菲分光光度法 |
China National Standards oxide |
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GB/T 11064.6-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 6: Determination of magnesium content - Flame atomic absorption spectrometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第6部分:镁量的测定 火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 11064.5-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 5: Determination of calcium content - Flame atomic absorption spectrometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第5部分:钙量的测定 火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 11064.16-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 16: Determination of calcium,magnesium,copper,lead,zinc,nickel,manganese,cadmium and aluminum content - Inductively coupled plasma atomic emission 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第16部分:钙、镁、铜、铅、锌、镍、锰、镉、铝量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards oxide |
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GB/T 11064.15-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 15: Determination of fluoride content - Ion selective method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第15部分:氟量的测定 离子选择电极法 |
China National Standards oxide |
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GB/T 11064.14-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 14: Determination of arsenic content - Molybdenum blue spectropotometic method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第14部分:砷量的测定 钼蓝分光光度法 |
China National Standards oxide |
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GB/T 11064.13-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 13: Determination of aluminum content - Chromazurol S-cetylpyridine bromide spectrophotometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第13部分:铝量的测定 铬天青S-溴化十六烷基吡啶分光光度法 |
China National Standards oxide |
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GB/T 11064.12-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 12: Determination of carbonate content - Acid-alkali titrimetric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第12部分:碳酸根量的测定 酸碱滴定法 |
China National Standards oxide |
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GB/T 11064.11-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 11: Determination of acid-insolubles content - Gravimetric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第11部分:酸不溶物量的测定 重量法 |
China National Standards oxide |
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GB/T 11064.10-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 10: Determination of chloride content - Silver chloride nephelometry method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第10部分:氯量的测定 氯化银浊度法 |
China National Standards oxide |
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GB/T 2423.19-2013 |
Environmental testing - Part 2: Test methods - Test Kc: Sulphur dioxide test for contacts and connections 环境试验 第2部分:试验方法 试验Kc:接触点和连接件的二氧化硫试验 |
China National Standards oxide |
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GB/T 2424.11-2013 |
Environmental testing - Part 2: Test methods - Guidance to test Kc: Sulphur dioxide test for contacts and connections 环境试验 第2部分:试验方法 试验Kc:接触点和连接件的二氧化硫试验导则 |
China National Standards oxide |
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GB/T 19277.2-2013 |
Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions - Method by analysis of evolved carbon dioxide - Part 2: Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test 受控堆肥条件下材料最终需氧生物分解能力的测定 采用测定释放的二氧化碳的方法 第2部分: 用重量分析法测定实验室条件下二氧化碳的释放量 |
China National Standards oxide |
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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 oxide |
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GB 19572-2013 |
Low pressure carbon dioxide extinguishing system and components 低压二氧化碳灭火系统及部件 |
China National Standards oxide |
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GB/T 29650-2013 |
Refractory products - Determination of resistance to carbon monoxide 耐火材料 抗一氧化碳性试验方法 |
China National Standards oxide |
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GB/T 11064.4-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 4: Determination of potassium and sodium content - Flame atomic absorption spectrometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第4部分:钾量和钠量的测定 火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 11064.3-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 3: Determination of lithium chloride content - Potentiometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第3部分:氯化锂量的测定 电位滴定法 |
China National Standards oxide |
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GB/T 11064.2-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 2: Determination of lithium hydroxide content - Acid-alkali titrimetric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第2部分:氢氧化锂量的测定 酸碱滴定法 |
China National Standards oxide |
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GB/T 11064.1-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 1: Determination of lithium carbonate content - Acid-alkali titrimetric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第1部分:碳酸锂量的测定 酸碱滴定法 |
China National Standards oxide |
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GB/T 4348.1-2013 |
Sodium hydroxide for industrial use - Determination of sodium hydroxide and sodium carbonate content 工业用氢氧化钠 氢氧化钠和碳酸钠含量的测定 |
China National Standards oxide |
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GB/T 29643-2013 |
Sodium hydroxide for industrial use - Laboratory sample - Preparation of the main solution for carrying out certain determinations 工业用氢氧化钠 实验室样品和进行项目测定用主溶液的制备 |
China National Standards oxide |
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GB/T 11212-2013 |
Sodium hydroxide for chemical fiber use 化纤用氢氧化钠 |
China National Standards oxide |
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GB/T 4497.2-2013 |
Rubber - Determination of total sulfur content - Part 2: Sodium peroxide fusion method 橡胶 全硫含量的测定 第2部分:过氧化钠熔融法 |
China National Standards oxide |
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GB/T 8151.17-2012 |
Methods for chemical analysis of zinc concentrates - Part 17:Determination of zinc content - Hydroxide precipitation and Na2EDTA titrimetric method 锌精矿化学分析方法 第17部分:锌量的测定 氢氧化物沉淀-Na2EDTA滴定法 |
China National Standards oxide |
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GB/T 8151.4-2012 |
Methods for chemical analysis of zinc concentrates - Part 4: Determination of silicon dioxide content - Molybdenum blue spectrophotometry 锌精矿化学分析方法 第4部分:二氧化硅量的测定 钼蓝分光光度法 |
China National Standards oxide |
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GB/T 3884.4-2012 |
Methods for chemical analysis of copper concentrates - Part 4: Determination of magnesium oxide content - Flame atomic absorption spectrophotometry method 铜精矿化学分析方法 第4部分:氧化镁量的测定 火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 3494-2012 |
Zinc oxide produced by direct method 直接法氧化锌 |
China National Standards oxide |
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GB/T 4348.3-2012 |
Sodium hydroxide for industrial use - Determination of iron content-1,10-phenanthroline photometric method 工业用氢氧化钠 铁含量的测定 1,10-菲啰啉分光光度法 |
China National Standards oxide |
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GB/T 28957.2-2012 |
Road vehicles - Test dust for filter evaluation - Part 2 : Aluminium oxide test dust 道路车辆 用于滤清器评定的试验粉尘 第2部分:氧化铝试验粉尘 |
China National Standards oxide |
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GB/T 28957.1-2012 |
Road vehicles - Test dust for filter evaluation - Part 1: Silicon dioxide test dust 道路车辆 用于滤清器评定的试验粉尘 第1部分:氧化硅试验粉尘 |
China National Standards oxide |
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GB/T 27894.6-2012 |
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen helium oxygen nitrogen carbon dioxide and C1 to C8 hydrocarbons using three capillary columns 天然气 在一定不确定度下用气相色谱法测定组成 第6部分:用三根毛细管色谱柱测定氢、氦、氧、氮、二氧化碳和C1至C8的烃类 |
China National Standards oxide |
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GB 28931-2012 |
Safety and sanitation standard for chlorine dioxide disinfectant generator 二氧化氯消毒剂发生器安全与卫生标准 |
China National Standards oxide |
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GB/T 4155-2012 |
Cerium oxide 氧化铈 |
China National Standards oxide |
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GB/T 3286.4-2012 |
Methods for chemical analysis of limestone and dolomite - Part 4: The determination of iron oxide content - The o-phenanthroline spectrophotometric method and the flame atomic absorption spectrometric method 石灰石及白云石化学分析方法 第4部分:氧化铁含量的测定 邻二氮杂菲分光光度法和火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 3286.3-2012 |
Methods for chemical analysis of limestone and dolomite - Part 3: The determination of aluminium oxide content - The chrome azurol S spectrophotometric method and the complexometric titration method 石灰石及白云石化学分析方法 第3部分:氧化铝含量的测定 铬天青S分光光度法和络合滴定法 |
China National Standards oxide |
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GB/T 3286.2-2012 |
Methods for chemical analysis of limestone and dolomite - Part 2: The determination of silicon dioxide content - The silicomolybdic blue spectrophotometric method and the perchloric acid dehydration gravimetric method 石灰石及白云石化学分析方法 第2部分:二氧化硅含量的测定 硅钼蓝分光光度法和高氯酸脱水重量法 |
China National Standards oxide |
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GB/T 3286.1-2012 |
Methods for chemical analysis of limestone and dolomite - Part 1: The determination of calcium oxide and magnesium oxide content - The complexometric titration method and the flame atomic absorption spectrometric method 石灰石及白云石化学分析方法 第1部分:氧化钙和氧化镁含量的测定 络合滴定法和火焰原子吸收光谱法 |
China National Standards oxide |
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GB/T 20166.1-2012 |
Chemical analysis methods of rare earth polishing powder - Part 1: Determination of cerium oxide content - Titrimetry 稀土抛光粉化学分析方法 第1部分:氧化铈量的测定 滴定法 |
China National Standards oxide |
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GB/T 18116.1-2012 |
Yttrium-europium oxide - Part 1: Determination of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide and luteti 氧化钇铕化学分析方法 第1部分:氧化镧、氧化铈、氧化镨、氧化钕、氧化钐、氧化钆、氧化铽、氧化镝、氧化钬、氧化铒、氧化铥、氧化镱和氧化镥量的测定 |
China National Standards oxide |
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GB/T 27894.5-2012 |
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 5: Determination of nitrogen,carbon dioxideand C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columns 天然气 在一定不确定度下用气相色谱法测定组成 第5部分:实验室和在线工艺系统中用三根色谱柱测定氮、二氧化碳和C1至C5及C6+的烃类 |
China National Standards oxide |
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GB/T 27894.4-2012 |
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen,carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns 天然气 在一定不确定度下用气相色谱法测定组成 第4部分:实验室和在线测量系统中用两根色谱柱测定氮、二氧化碳和C1至C5及C6+的烃类 |
China National Standards oxide |
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