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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 |
|---|---|---|---|
| GB/T 23392.4-2009 |
Technical specification for the forecast of diseases and insects on cruciferous plants - Part 4: Spodoptera exigua(Hvbner) 十字花科蔬菜病虫害测报技术规范 第4部分：甜菜夜蛾 |
China National Standards or |
 English PDF |
| GB/T 23392.3-2009 |
Technical specification for the forecast of diseases and insects on cruciferous plants - Part 3: Plutella xylostella linnaeus 十字花科蔬菜病虫害测报技术规范 第3部分：小菜蛾 |
China National Standards or |
English PDF |
| GB/T 23392.2-2009 |
Technical specification for the forecast of diseases and insects on cruciferous plants - Part 2: Erwinia carotovora subsp. carotovora (Jones) Bergey et al. 十字花科蔬菜病虫害测报技术规范 第2部分：软腐病 |
China National Standards or |
English PDF |
| GB/T 23392.1-2009 |
Technical specification for the forecast of diseases and insects on cruciferous plants - Part 1: Pernospora parasitica (Pers.) Fr. 十字花科蔬菜病虫害测报技术规范 第1部分：霜霉病 |
China National Standards or |
English PDF |
| GB/T 23391.3-2009 |
Technical specification for control of northern corn leaf blight，southern corn leaf blight and asian corn borer - Part 3: Asian corn borer 玉米大、小斑病和玉米螟防治技术规范 第3部分：玉米螟 |
China National Standards or |
English PDF |
| GB/T 23391.2-2009 |
Technical specification for control of northern corn leaf blight，southern corn leaf blight and asian corn borer - Part 2: Southern leaf blight 玉米大、小斑病和玉米螟防治技术规范 第2部分：玉米小斑病 |
China National Standards or |
English PDF |
| GB/T 23391.1-2009 |
Technical specification for control of northern corn leaf blight，southern corn leaf blight and asian corn borer - Part 1: Northern corn leaf blight 玉米大、小斑病和玉米螟防治技术规范 第1部分：玉米大斑病 |
China National Standards or |
English PDF |
| GB/T 23390-2009 |
Principle for environmental safety evaluation of aquafeed 水产配合饲料环境安全性评价规程 |
China National Standards or |
English PDF |
| GB/T 23387-2009 |
Evaluation of forage nutritional quality - Grading index（GI）method 饲草营养品质评定 GI法 |
China National Standards or |
English PDF |
| GB/T 23385-2009 |
Determination of ampicillin in feed - High performance liquid chromatography 饲料中氨苄青霉素的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23383-2009 |
Determination of sodium hydrogen diacetate in foods - High performance liquid chromatography method 食品中双乙酸钠的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23382-2009 |
Determination of sodium propionate and calcium propionate in foods - High performance liquid chromatography method 食品中丙酸钠、丙酸钙的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 2338-2002 |
Requirements and tests for overhead line spacers 架空电力线路间隔棒技术条件和试验方法 |
China National Standards or |
English PDF |
| GB/T 23381-2009 |
Determination of 6 -benzylaminopurine in foods - High-performance liquid chromatography 食品中6-苄基腺嘌呤的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23379-2009 |
Method for determination of imidacloprid residues in fruits, vegetables and teas - High performance liquid chromatographic method 水果、蔬菜及茶叶中吡虫啉残留的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23378-2009 |
Method for the determination of Neotame in foods - High-performance liquid chromatography 食品中纽甜的测定方法 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23377-2009 |
Determination of dehydroacetic acid in food - High performance liquid chromatography 食品中脱氢乙酸的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23375-2009 |
Determination of copper，iron，zinc，calcium，magnesium and phosphorus content in vegetables and derived products 蔬菜及其制品中铜、铁、锌、钙、镁、磷的测定 |
China National Standards or |
English PDF |
| GB/T 23372-2009 |
Determination of inorganic-arsenic in foods - Liquid chromatography - Inductive coupled plasma mass spectrometer 食品中无机砷的测定 液相色谱 电感耦合等离子体质谱法 |
China National Standards or |
English PDF |
| GB/T 23371.3-2009 |
Basic principles for graphical symbols for use on electrical equipment - Part 3: Guidelines for the application of graphical symbols 电气设备用图形符号基本规则 第3部分：应用导则 |
China National Standards or |
English PDF |
| GB/T 23371.2-2009 |
Basic principles for graphical symbols for use on electrical equipment - Part 2: Form and use of arrows 电气设备用图形符号基本规则 第2部分：箭头的形式与使用 |
China National Standards or |
English PDF |
| GB/T 23371.1-2013 |
Basic principles for graphical symbols for use on electrical equipment―Part 1: Creation of graphical symbols for registration 电气设备用图形符号基本规则 第1部分：注册用图形符号的生成 |
China National Standards or |
English PDF |
| GB/T 23369-2009 |
Standard test method for determination of magnetic saturation (MS) of cemented carbides 硬质合金磁饱和（MS）测定的标准试验方法 |
China National Standards or |
English PDF |
| GB/T 23368.2-2009 |
Methods for chemical analysis of ammonium metatungstate - Part 2: Determination of zinc content - Flame atomic absorption spectrometry 偏钨酸铵化学分析方法 第2部分：锌量的测定 火焰原子吸收光谱法 |
China National Standards or |
English PDF |
| GB/T 23368.1-2009 |
Methods for chemical analysis of ammonium metatungstate - Part 1: Determination of water insoluble content - Gravimetric analysis 偏钨酸铵化学分析方法 第1部分：水不溶物量的测定 称量法 |
China National Standards or |
English PDF |
| GB/T 23367.2-2009 |
Methods for chemical analysis of lithium cobalt oxide - Part 2: Determination of lithium，nickel，manganese，magnesium，aluminium，iron，sodium，calcium and copper content - Inductively coupled plasma atomic emission spectrometry 钴酸锂化学分析方法 第2部分：锂、镍、锰、镁、铝、铁、钠、钙和铜量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards or |
English PDF |
| GB/T 23367.1-2009 |
Methods for chemical analysis of lithium cobalt oxide - Part 1: Determination of cobalt content - EDTA titration 钴酸锂化学分析方法 第1部分：钴量的测定 EDTA滴定法 |
China National Standards or |
English PDF |
| GB/T 23366-2009 |
Electrochemical performance test of lithium cobalt oxide - Test method for discharge plateau capacity ratio and cycle life 钴酸锂电化学性能测试 放电平台容量比率及循环寿命测试方法 |
China National Standards or |
English PDF |
| GB/T 23365-2009 |
Electrochemical performance test of lithium cobalt oxide - Test method for specific capacity and charge-discharge efficiency of the first cycle 钴酸锂电化学性能测试 首次放电比容量及首次充放电效率测试方法 |
China National Standards or |
English PDF |
| GB/T 23364.6-2009 |
Methods for chemical analysis of high purity indium oxide - Part 6: Determination of the loss on ignition - Gravimetric analysis 高纯氧化铟化学分析方法 第6部分：灼减量的测定 称量法 |
China National Standards or |
English PDF |
| GB/T 23364.5-2009 |
Methods for chemical analysis of high purity indium oxide - Part 5: Determination of chlorine content - Mercuric sulfocyanide spectrophotometry 高纯氧化铟化学分析方法 第5部分：氯量的测定 硫氰酸汞分光光度法 |
China National Standards or |
English PDF |
| GB/T 23364.4-2009 |
Methods for chemical analysis of high purity indium oxide - Part 4: Determination of aluminum, iron, copper, zinc, cadmium, lead and thallium content - Inductively coupled plasma mass spectrometry 高纯氧化铟化学分析方法 第4部分：铝、铁、铜、锌、镉、铅和铊量的测定 电感耦合等离子体质谱法 |
China National Standards or |
English PDF |
| GB/T 23364.3-2009 |
Methods for chemical analysis of high purity indium oxide - Part 3: Determination of antimony content - Atomic fluorescence spectrometry 高纯氧化铟化学分析方法 第3部分：锑量的测定 原子荧光光谱法 |
China National Standards or |
English PDF |
| GB/T 23364.2-2009 |
Methods for chemical analysis of high purity indium oxide - Part 2: Determination of tin content - Phenylfluorone spectrophotometry 高纯氧化铟化学分析方法 第2部分：锡量的测定 苯基荧光酮分光光度法 |
China National Standards or |
English PDF |
| GB/T 23364.1-2009 |
Methods for chemical analysis of high purity indium oxide - Part 1: Determination of arsenic content - Atomic fluorescence spectrometry 高纯氧化铟化学分析方法 第1部分：砷量的测定 原子荧光光谱法 |
China National Standards or |
English PDF |
| GB/T 2336-2000 |
Technical requirements for damper 防振锤技术条件 |
China National Standards or |
English PDF |
| GB/T 23362.6-2009 |
Methods for chemical analysis of high purity indium hydroxide - Part 6: Determination of the loss on ignition - Gravimetric analysis 高纯氢氧化铟化学分析方法 第6部分：灼减量的测定 称量法 |
China National Standards or |
English PDF |
| GB/T 23362.5-2009 |
Methods for chemical analysis of high purity indium hydroxide - Part 5: Determination of chlorine content - Mercuric sulfocyanide spectrophotometry 高纯氢氧化铟化学分析方法 第5部分：氯量的测定 硫氰酸汞分光光度法 |
China National Standards or |
English PDF |
| GB/T 23362.4-2009 |
Methods for chemical analysis of high purity indium hydroxide - Part 4: Determination of aluminum, iron, copper, zinc, cadmium, lead and thallium content - Inductively coupled plasma mass spectrometry 高纯氢氧化铟化学分析方法 第4部分：铝、铁、铜、锌、镉、铅和铊量的测定 电感耦合等离子体质谱法 |
China National Standards or |
English PDF |
| GB/T 23362.3-2009 |
Methods for chemical analysis of high purity indium hydroxide - Part 3: Determination of antimony content - Atomic fluorescence spectrometry 高纯氢氧化铟化学分析方法 第3部分：锑量的测定 原子荧光光谱法 |
China National Standards or |
English PDF |
| GB/T 23362.2-2009 |
Methods for chemical analysis of high purity indium hydroxide - Part 2: Determination of tin content - Phenylfluorone spectrophotometry 高纯氢氧化铟化学分析方法 第2部分：锡量的测定 苯基荧光酮分光光度法 |
China National Standards or |
English PDF |
| GB/T 23362.1-2009 |
Methods for chemical analysis of high purity indium hydroxide - Part 1: Determination of arsenic content - Atomic fluorescence spectrometry 高纯氢氧化铟化学分析方法 第1部分：砷量的测定 原子荧光光谱法 |
China National Standards or |
English PDF |
| GB/T 23360-2009 |
Method of evaluating the thermal performance of enclosures 机壳热特性的估算方法 |
China National Standards or |
English PDF |
| GB/T 23359-2009 |
Frame-type cabinets for low-voltage switchgear 框架式低压机柜 |
China National Standards or |
English PDF |
| GB/T 23358-2009 |
Cigarettes - Determination of major aromatic amines in total particulate matter of mainstream cigarette smoke - GC-MS method 卷烟 主流烟气总粒相物中主要芳香胺的测定 气相色谱-质谱联用法 |
China National Standards or |
English PDF |
| GB/T 23349-2009 |
Ecological index of arsenic,cadmium,lead,chromium and mercury for fertilizers 肥料中砷、镉、铅、铬、汞生态指标 |
China National Standards or |
English PDF |
| GB/T 23346-2009 |
Good distribution practice for food 食品良好流通规范 |
China National Standards or |
English PDF |
| GB/T 23345-2009 |
Textiles - Determination of dyestuffs of disperse yellow 23 and disperse orange 149 纺织品 分散黄23和分散橙149染料的测定 |
China National Standards or |
English PDF |
| GB/T 23343-2009 |
Textiles - Tests for colour fastness - Colour fastness to domestic and commercial laundering - Oxidative bleach response using a non-phosphate reference detergent incorporating a low temperature bleach activator 纺织品 色牢度试验 耐家庭和商业洗涤色牢度 使用含有低温漂白活性剂的无磷标准洗涤剂的氧化漂白反应 |
China National Standards or |
English PDF |
| GB/T 23336-2009 |
General technical requirements for semitrailer 半挂车通用技术条件 |
China National Standards or |
English PDF |
| GB/T 23333-2009 |
Evaporative air cooler 蒸发式冷风扇 |
China National Standards or |
English PDF |
| GB/T 23328-2009 |
Woven garments for students 机织学生服 |
China National Standards or |
English PDF |
| GB/T 23326-2009 |
Stainless steel fibers and cotton-polyester blended grey fabric with electromagnetic shielding performance 不锈钢纤维与棉涤混纺电磁波屏蔽本色布 |
China National Standards or |
English PDF |
| GB/T 23324-2009 |
Textiles - Determination of surfactant - Distearyl dimethyl ammonium chloride 纺织品 表面活性剂的测定 二硬脂基二甲基氯化铵 |
China National Standards or |
English PDF |
| GB/T 23321-2009 |
Textiles - Water resistance - Rain tests: Exposure to a horizontal water spray 纺织品 防水性 水平喷射淋雨试验 |
China National Standards or |
English PDF |
| GB/T 23320-2009 |
Textiles - Determination of resistance to water absorption - Tumble-jar absorption test 纺织品 抗吸水性的测定 翻转吸收法 |
China National Standards or |
English PDF |
| GB/T 23317-2009 |
Specification for clothing made from coated fabrics for protection against wet weather 涂层服装抗湿技术要求 |
China National Standards or |
English PDF |
| GB/T 23316-2009 |
Anti-static requirement and test methods of working clothing 工作服 防静电性能的要求及试验方法 |
China National Standards or |
English PDF |
| GB/T 23312.7-2009 |
Enamelled round aluminium winding wire - Part 7: Polyester or polyesterimide overcoated with polyamide-imide enamelled round aluminium wire, class 200 漆包铝圆绕组线 第7部分：200级聚酯或聚酯亚胺/聚酰胺酰亚胺复合漆包铝圆线 |
China National Standards or |
English PDF |
| GB/T 23312.6-2009 |
Enamelled round aluminium winding wire - Part 6: Polyester or polyesterimide overcoated with polyamide enamelled round aluminium wire, class 180 漆包铝圆绕组线 第6部分：180级聚酯或聚酯亚胺/聚酰胺复合漆包铝圆线 |
China National Standards or |
English PDF |
| GB/T 23309-2009 |
Aluminium-magnesium alloy wires for shield in cable 电缆屏蔽用铝镁合金线 |
China National Standards or |
English PDF |
| GB/T 23308-2009 |
Aluminium-magnesium-silicon alloy wire for overhead line conductors 架空绞线用铝-镁-硅系合金圆线 |
China National Standards or |
English PDF |
| GB/T 23307-2009 |
Floor socket-outlets for household and similar purposes 家用和类似用途地面插座 |
China National Standards or |
English PDF |
| GB/T 23306-2009 |
Specifications for flameproof three-phase asynchronous motors for use on dispensers （frame size 63 to 100） 燃油加油机用隔爆型三相异步电动机(机座号63～100)技术条件 |
China National Standards or |
English PDF |
| GB/T 23304-2009 |
Shipbuilding - Shiplines - Formats and data organization 造船 船体型线 格式和数据结构 |
China National Standards or |
English PDF |
| GB/T 23303-2009 |
Ships and marine technology - Inflatable rescue boats - Coated fabrics for inflatable chambers 船舶与海上技术 充气式救助艇 充气腔用胶布 |
China National Standards or |
English PDF |
| GB/T 23302-2009 |
Ships and marine technology - Sea anchors for survival craft and rescue boats 船舶与海上技术 救生艇筏和救助艇用海锚 |
China National Standards or |
English PDF |
| GB/T 23301-2009 |
Casting aluminum alloy for automobile wheels 汽车车轮用铸造铝合金 |
China National Standards or |
English PDF |
| GB/T 23298-2009 |
Ships and marine technology - Gas inflation systems for inflatable life-saving appliances 船舶与海上技术 气胀式救生装置用充气系统 |
China National Standards or |
English PDF |
| GB/T 23296.9-2009 |
Food contact materials - Polymer - Determination of acrylamide in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中丙烯酰胺的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.7-2009 |
Food contact materials - Determination of epichlorohydrin in plastics - High performance liquid chromatography 食品接触材料 塑料中表氯醇含量的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.26-2009 |
Food contact materials - Polymer - Determination of formaldehyde and hexamethylenetetramine in food simulants - Spectrophotometry 食品接触材料 高分子材料 食品模拟物中甲醛和六亚甲基四胺的测定 分光光度法 |
China National Standards or |
English PDF |
| GB/T 23296.25-2009 |
Food contact materials - Polymer - Determination of 1,3-benzenedimethanamine in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中1，3-苯二甲胺的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.24-2009 |
Food contact materials - Polymer - Determination of 1,2-dihydroxybenzene,1,3-dihydroxybenzene,1,4-dihydroxybenzene,4,4’-dihydroxybenzophenone and 4,4’dihydroxybiphenyl in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中1,2-苯二酚、1,3-苯二酚、1,4-苯二酚、4,4’-二羟二苯甲酮、4,4'-二羟联苯的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.22-2009 |
Food contact materials - Determination of isocyanates in plastics - High performance liquid chromatography 食品接触材料 塑料中异氰酸酯含量的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.21-2009 |
Food contact materials - Polymer - Determination of maleic acid and maleic anhydride in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中顺丁烯二酸及顺丁烯二酸酐的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.16-2009 |
Food contact materials - Polymer - Determination of 2,2-bis(4-hydroxyphenyl)propane（bisphenol A ）in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中2，2-二（4-羟基苯基）丙烷（双酚A）的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.15-2009 |
Food contact materials - Polymer - Determination of 2,4,6-triamino-1,3,5-triazine（melamine）in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中2，4，6-三氨基-1，3，5-三嗪（三聚氰胺）的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.14-2009 |
Food contact materials - Polymer - Determination of vinyl chloride in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中氯乙烯的测定 气相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.13-2009 |
Food contact materials - Determination of vinyl chloride monomer in plastics - Gas chromatography 食品接触材料 塑料中氯乙烯单体的测定 气相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.12-2009 |
Food contact materials - Polymer - Determination of 11-aminoundecanoic acid in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中11-氨基十一酸的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23296.1-2009 |
Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Guide to test methods for the specific migration of substances from plastics to foods and food simulants and the determination of substances in plastics and th 食品接触材料 塑料中受限物质 塑料中物质向食品及食品模拟物特定迁移试验和含量测定方法以及食品模拟物暴露条件选择的指南 |
China National Standards or |
English PDF |
| GB/T 23296.10-2009 |
Food contact materials - Polymer - Determination of terephthalic acid in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中对苯二甲酸的测定 高效液相色谱法 |
China National Standards or |
English PDF |
| GB/T 23295.1-2009 |
Geographical names information services - Part 1: General principle 地名信息服务 第1部分：通则 |
China National Standards or |
English PDF |
| GB/T 23294-2009 |
Abrasion resistant refractory materials 耐磨耐火材料 |
China National Standards or |
English PDF |
| GB/T 23293-2009 |
Nitride bonded refractory products and their mortars 氮化物结合耐火制品及其配套耐火泥浆 |
China National Standards or |
English PDF |
| GB/T 23292-2009 |
Test methods for tractor fuel tank 拖拉机燃油箱 试验方法 |
China National Standards or |
English PDF |
| GB/T 23291-2009 |
Machine tools - Test conditions for self-centring，manually-operated chucks with one-piece jaws 机床 整体爪手动自定心卡盘检验条件 |
China National Standards or |
English PDF |
| GB/T 23289-2009 |
Bibliographic references and source identifiers for terminology work 术语工作 文后参考文献及源标识符 |
China National Standards or |
English PDF |
| GB/T 23288-2009 |
General technical requirements for ligneous cinerary caskets 木质骨灰盒通用技术条件 |
China National Standards or |
English PDF |
| GB/T 23286.1-2009 |
Document management - Electronic document file format for long-term preservation - Part 1: Use of PDF 1.4(PDF/A-1) 文献管理 长期保存的电子文档文件格式 第1部分：PDF1.4(PDF/A-1)的使用 |
China National Standards or |
English PDF |
| GB/T 23282-2009 |
Metal forming machinery - Noise measurement method of sound power levels 锻压机械噪声声功率级测量方法 |
China National Standards or |
English PDF |
| GB/T 23281-2009 |
Metal forming machinery -noise measurement method of sound pressure levels 锻压机械噪声声压级测量方法 |
China National Standards or |
English PDF |
| GB/T 23278.8-2009 |
Methods for chemical analysis of sodium stannate - Part 8: Determination of nitrate content - Ion selective electrode method 锡酸钠化学分析方法 第8部分：硝酸盐含量的测定 离子选择电极法 |
China National Standards or |
English PDF |
| GB/T 23278.7-2009 |
Methods for chemical analysis of sodium stannate - Part 7: Determination of alkali insoluble matter - Gravimetric analysis 锡酸钠化学分析方法 第7部分：碱不溶物的测定 重量法 |
China National Standards or |
English PDF |
| GB/T 23278.6-2009 |
Methods for chemical analysis of sodium stannate - Part 6: Determination of free alkali content - Titration 锡酸钠化学分析方法 第6部分：游离碱的测定 中和滴定法 |
China National Standards or |
English PDF |
| GB/T 23278.5-2009 |
Methods for chemical analysis of sodium stannate - Part 5: Determination of antimony content - Malachite green photometric method 锡酸钠化学分析方法 第5部分：锑量的测定 孔雀绿分光光度法 |
China National Standards or |
English PDF |
| GB/T 23278.4-2009 |
Methods for chemical analysis of sodium stannate - Part 4: Determination of lead content - Flame atomic absorption spectrometry 锡酸钠化学分析方法 第4部分：铅量的测定 原子吸收光谱法 |
China National Standards or |
English PDF |
| GB/T 23278.3-2009 |
Methods for chemical analysis of sodium stannate - Part 3: Determination of arsenic content - Molybdoantimonyarsenate blue spectrophotometric method 锡酸钠化学分析方法 第3部分：砷量的测定 砷锑钼蓝分光光度法 |
China National Standards or |
English PDF |
| GB/T 23278.2-2009 |
Methods for chemical analysis of sodium stannate - Part 2: Determination of iron content - 1，10-phenanthroline photometric method 锡酸钠化学分析方法 第2部分：铁量的测定 1，10-二氮杂菲分光光度法 |
China National Standards or |
English PDF |
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