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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.
  •  China "" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 6730.45-2006 Iron ores - Determination of arsenic content - Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation
    铁矿石 砷含量的测定 砷化氢分离-砷钼蓝分光光度法
    China National Standards

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    GB/T 6730.36-2016 Iron ores—Determination of cupper content—Flame atomic absorption spectrometric method
    铁矿石 铜含量的测定 火焰原子吸收光谱法
    China National Standards

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    GB/T 6730.36-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of copper content
    铁矿石化学分析方法 原子吸收分光光度法测定铜量
    China National Standards

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    GB/T 6730.32-2013 Iron ores - Determination of vanadium content - The ammonium ferrous sulfate titrimetric method
    铁矿石 钒含量的测定 硫酸亚铁铵滴定法
    China National Standards

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    GB/T 6730.3-1986 Methods for chemical analysis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples
    铁矿石化学分析方法 重量法测定分析试样中吸湿水量
    China National Standards

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    GB/T 6730.28-2006 Iron ores―Determinaton of fluorine content―Ion-selective electrode method
    铁矿石 氟含量的测定 离子选择电极法
    China National Standards

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    GB/T 6730.25-2006 Iron ores - Determination of total rare earth contents - Oxalate gravimetric method
    铁矿石 稀土总量的测定 草酸盐重量法
    China National Standards

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    GB/T 6730.24-2006 Iron ores - Determination of total rare earth contents - Chlorophosphonazo mA spectrophotometric method
    铁矿石 稀土总量的测定 萃取分离-偶氮氯膦mA分光光度法
    China National Standards

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    GB/T 6730.23-2006 Iron ores - Determination of titanium content - The ferric ammonium sulfate titrimetric method
    铁矿石 钛含量的测定 硫酸铁铵滴定法
    China National Standards

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    GB/T 6730.18-2006 Iron ores - Determination of phosphorus content - Molybdenum blue spectrophotometric method
    铁矿石 磷含量的测定 钼蓝分光光度法
    China National Standards

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    GB/T 6730.17-2014 Iron ores―Determination of sulfur content―Combustion iodometric method
    铁矿石 硫含量的测定 燃烧碘量法
    China National Standards

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    GB/T 6730.14-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content
    铁矿石化学分析方法 原子吸收分光光度法测定钙和镁量
    China National Standards

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    GB/T 6730.13-2007 Iron ores - Determination of calcium and magnesium content - EGTA-CyDTA titrimetric method
    铁矿石 钙和镁含量的测定 EGTA-CyDTA滴定法
    China National Standards

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    GB/T 6730.1-2016 Iron ores—Preparation of predried test samples for chemical analysis
    铁矿石 分析用预干燥试样的制备
    China National Standards

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    GB/T 6730.1-1986 Methods for chemical analysis of iron ores--Preparation of predried test samples for chemical analysis
    铁矿石化学分析方法 分析用预干燥试样的制备
    China National Standards

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    GB/T 6730.11-2007 Iron ores - Determination of aluminium content - EDTA titrimetric method
    铁矿石 铝含量的测定 EDTA滴定法
    China National Standards

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    GB/T 6730.10-2014 Iron ores―Determination of silicon content―Gravimetric methods
    铁矿石 硅含量的测定 重量法
    China National Standards

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    GB/T 6728-2002 Cold formed steel hollow sections for general structure--Dimensions,shapes,weight and permissible deviations
    结构用冷弯空心型钢 尺寸、外形、重量及允许偏差
    China National Standards

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    GB/T 6726-2008 Cold forming sectional steel for vehicles - Dimensions, shape, weight and tolerances
    汽车用冷弯型钢尺寸、外形、重量及允许偏差
    China National Standards

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    GB/T 6725-2008 Cold forming steel sections
    冷弯型钢
    China National Standards

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    GB/T 6723-2008 Cold forming sectional steel - Open sectional steel for general structure - Dimensions, shape, weight and permissible tolerances
    通用冷弯开口型钢尺寸、外形、重量及允许偏差
    China National Standards

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    GB/T 672-2006 Chemical reagent - Magnesium chloride hexahydrate
    化学试剂 六水合氯化镁(氯化镁)
    China National Standards

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    GB/T 6721-1986 Statistical standard of economic losses from injury-fatal accidents of enterprise staff and workers
    企业职工伤亡事故经济损失统计标准
    China National Standards

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    GB/T 67-2016 Slotted pan head screws
    开槽盘头螺钉
    China National Standards

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    GB/T 67-2008 Slotted pan head screws - Product grade A
    开槽盘头螺钉
    China National Standards

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    GB/T 6719-2009 Specifications for bag house
    袋式除尘器技术要求
    China National Standards

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    GB/T 671-1998 Chemical reagent--Magnesium sulfate heptahydrate
    化学试剂 硫酸镁
    China National Standards

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    GB/T 6706-2005 Determination of water Content of coking Phenol by cryoscopic method
    焦化苯酚水分测定--结晶点下降法
    China National Standards

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    GB/T 6705-2008 Coking phenol
    焦化苯酚
    China National Standards

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    GB/T 6702-2000 Naphthalene sulphuric acid test
    萘酸洗比色试验方法
    China National Standards

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    GB/T 670-2007 Chemical reagent - Silver nitrate
    化学试剂 硝酸银
    China National Standards

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    GB/T 6701-2005 Method for the determination of The non-volatile of naphthalene
    萘不挥发物的测定方法
    China National Standards

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    GB/T 6699-2015 Coking naphthalene
    焦化萘
    China National Standards

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    GB/T 6693-2009 Dyestuffs - Determination of the dusting behaviour
    染料 粉尘飞扬性的测定
    China National Standards

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    GB/T 6692-2006 Resin finishing agent―Determination of relative density
    树脂整理剂 相对密度的测定
    China National Standards

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    GB/T 669-1994 Chemical reagent--Strontium nitrate
    化学试剂 硝酸锶
    China National Standards

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    GB/T 6691-2007 Resin finishing agent - Determination of refractive index
    树脂整理剂 折射率的测定
    China National Standards

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    GB/T 6688-2008 Dyestuffs - Determination of relative strength and color difference - Instrumental method
    染料 相对强度和色差的测定 仪器法
    China National Standards

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    GB/T 6687-2006 Glossary of dyestuff terms
    染料名词术语
    China National Standards

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    GB/T 6686-2006 Classification of colours
    染料分类
    China National Standards

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    GB/T 6685-2007 Chemical reagent - Hydroxylammonium chloride
    化学试剂 氯化羟胺 (盐酸羟胺)
    China National Standards

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    GB/T 6684-2002 Chemical reagent--Hydrogen peroxide 30%
    化学试剂 30%过氧化氢
    China National Standards

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    GB/T 6683-1997 Petroleum products--Determination of precision data in relation to methods of test
    石油产品试验方法精密度数据确定法
    China National Standards

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    GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods
    分析实验室用水规格和试验方法
    China National Standards

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    GB/T 6681-2003 General rules for sampling gaseous chemical products
    气体化工产品采样通则
    China National Standards

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    GB/T 6680-2003 General rules for sampling liquid chemical products
    液体化工产品采样通则
    China National Standards

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    GB/T 6679-2003 General rules for sampling solid chemical products
    固体化工产品采样通则
    China National Standards

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    GB/T 6678-2003 General principles for sampling chemical products
    化工产品采样总则
    China National Standards

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    GB/T 6677-2008 Classification of cloth shoes
    布鞋分类
    China National Standards

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    GB/T 6673-2001 Plastics film and sheeting--Determination of length and width
    塑料薄膜和薄片长度和宽度的测定
    China National Standards

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    GB/T 6672-2001 Plastics film and sheeting--Determination of thickness by mechanical scanning
    塑料薄膜和薄片厚度测定 机械测量法
    China National Standards

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    GB/T 667-1995 Chemical reagent--Zinc nitrate hexahydrate
    化学试剂 六水合硝酸锌(硝酸锌)
    China National Standards

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    GB/T 6671-2001 Thermoplastics pipes--Determination of longitudinal reversion
    热塑性塑料管材 纵向回缩率的测定
    China National Standards

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    GB/T 6670-2008 Flexible cellular polymeric materials - Determination of resilience by ball rebound
    软质泡沫聚合材料 落球法回弹性能的测定
    China National Standards

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    GB/T 6669-2008 Flexible cellular polymeric materials - Determination of compression set
    软质泡沫聚合材料 压缩永久变形的测定
    China National Standards

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    GB/T 6667-1986 Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section two:measurements in the antennas and passive repeaters
    地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第二节 天线和无源转向器的测量
    China National Standards

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    GB/T 6663.1-2007 Directly heated negative temperature coefficient thermistors - Part 1: Generic specification
    直热式负温度系数热敏电阻器 第1部分:总规范
    China National Standards

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    GB/T 6662-1986 Methods of measurement for equipment used in terrestrial radio-relay systems--Part 1:Measurements common to sub-systems and simulated systems--Section three--Measurements in the intermediate-frequency range
    地面无线电接力系统所用设备的测量方法 第一部分:分系统和仿真系统通用的测量 第三节:中频范围的测量
    China National Standards

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    GB/T 666-2011 Chemical reagent - Zinc sulfate heptahydrate
    化学试剂 七水合硫酸锌(硫酸锌)
    China National Standards

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    GB/T 6661-1986 Nipples for insert earphones
    插入式耳机的乳头状接头
    China National Standards

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    GB/T 6656-2008 D.C. ferrite permanent magnet motors
    铁氧体永磁直流电动机
    China National Standards

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    GB/T 665-2007 Chemical reagent - Copper(Ⅱ) Sulfate pentahydrate
    化学试剂 无水合硫酸铜(Ⅱ)(硫酸铜)
    China National Standards

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    GB/T 6648-1986 Blank detail specification for semiconductor inte-grated circuit static read/write memories
    半导体集成电路静态读/ 写存储器空白详细规范(可供认证用)
    China National Standards

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    GB/T 6646-2008 Chrysotile asbestos test methods
    温石棉试验方法
    China National Standards

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    GB/T 6645-2008 Granulated electric furnace phosphorous slag used for cement
    用于水泥中的粒化电炉磷渣
    China National Standards

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    GB/T 6643-1986 General purpose rigid coaxial transmission lines and their associated flange connectors--Generic specification
    通用硬同轴传输线及其法兰连接器总规范
    China National Standards

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    GB/T 664-2011 Chemical reagent - Iron(Ⅱ)sulfate heptahydrate
    化学试剂 七水合硫酸亚铁(硫酸亚铁)
    China National Standards

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    GB/T 6627-1986 Designations for lumbered synthetic quartz crystals
    人造石英晶体棒材型号命名方法
    China National Standards

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    GB/T 6624-2009 Standard method for measuring the surface quality of polished silicon slices by visual inspection
    硅抛光片表面质量目测检验方法
    China National Standards

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    GB/T 6621-2009 Testing methods for surface flatness of silicon slices
    硅片表面平整度测试方法
    China National Standards

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    GB/T 6620-2009 Test method for measuring warp on silicon slices by noncontact scanning
    硅片翘曲度非接触式测试方法
    China National Standards

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    GB/T 6619-2009 Test methods for bow of silicon wafers
    硅片弯曲度测试方法
    China National Standards

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    GB/T 6618-2009 Test method for thickness and total thickness variation of silicon slices
    硅片厚度和总厚度变化测试方法
    China National Standards

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    GB/T 6617-2009 Test method for measuring resistivity of silicon wafer using spreading resistance probe
    硅片电阻率测定 扩展电阻探针法
    China National Standards

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    GB/T 6616-2009 Test methods for measuring resistivity of semiconductor wafers or sheet resistance of semiconductor films with a noncontact eddy-current gauge
    半导体硅片电阻率及硅薄膜薄层电阻测试方法 非接触涡流法
    China National Standards

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    GB/T 6614-2014 Titanium and titanium alloy castings
    钛及钛合金铸件
    China National Standards

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    GB/T 661-2011 Chemical reagent - Ammonium iron(II) sulfate hexahydrate
    化学试剂 六水合硫酸铁(Ⅱ)铵(硫酸亚铁铵)
    China National Standards

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    GB/T 6611-2008 Terminology and metallographs for titanium and titanium alloys
    钛及钛合金术语和金相图谱
    China National Standards

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    GB/T 6609.9-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of cupric oxide content--2,9-Dimethyl-1,10 phenanthroline photometric method
    氧化铝化学分析方法和物理性能测定方法 新亚铜灵光度法测定氧化铜含量
    China National Standards

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    GB/T 6609.8-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of chromium sesquioxide content--Diphenyl carbazide photometric method
    氧化铝化学分析方法和物理性能测定方法 二苯基碳酰二肼光度法测定三氧化二铬含量
    China National Standards

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    GB/T 6609.7-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of titanium dioxide content--Diantiprylmehane photometric method
    氧化铝化学分析方法和物理性能测定方法 二安替吡啉甲烷光度法测定二氧化钛含量
    China National Standards

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    GB/T 6609.6-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of potassium oxide content--Flame photometric method
    氧化铝化学分析方法和物理性能测定方法 火焰光度法测定氧化钾含量
    China National Standards

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    GB/T 6609.5-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of sodium oxide content
    氧化铝化学分析方法和物理性能测定方法 氧化钠含量的测定
    China National Standards

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    GB/T 6609.4-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of ferric oxide content--Orthophenanthroline photometric method
    氧化铝化学分析方法和物理性能测定方法 邻二氮杂菲光度法测定三氧化二铁含量
    China National Standards

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    GB/T 6609.37-2009 Chemical analysis methods and determination of physical performance of alumina - Part 37: Determination of the particles size content less then 20μm
    氧化铝化学分析方法和物理性能测定方法 第37部分:粒度小于20μm颗粒含量的测定
    China National Standards

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    GB/T 6609.36-2009 Chemical analysis methods and determination of physical performance of alumina - Part 36: Determination of flow time
    氧化铝化学分析方法和物理性能测定方法 第36部分:流动时间的测定
    China National Standards

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    GB/T 6609.35-2009 Chemical analysis methods and determination of physical performance of alumina - Part 35: Determination of specific surface area by nitrogen adsorption
    氧化铝化学分析方法和物理性能测定方法 第35部分:比表面积的测定 氮吸附法
    China National Standards

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    GB/T 6609.34-2009 Chemical analysis methods and determination of physical performance of alumina - Part 34: Method of calculating alumina content
    氧化铝化学分析方法和物理性能测定方法 第34部分:三氧化二铝含量的计算方法
    China National Standards

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    GB/T 6609.33-2009 Chemical analysis methods and determination of physical performance of alumina - Part 33: Determination of attrition index
    氧化铝化学分析方法和物理性能测定方法 第33部分:磨损指数的测定
    China National Standards

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    GB/T 6609.32-2009 Chemical analysis methods and determination of physical performance of alumina - Part 32: Determination of a-alumina content by X-ray diffraction
    氧化铝化学分析方法和物理性能测定方法 第32部分:a-三氧化二铝含量的测定 X-射线衍射法
    China National Standards

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    GB/T 6609.3-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of silicon dioxide content--Molybdenum blue photometric method
    氧化铝化学分析方法和物理性能测定方法 钼蓝光度法测定二氧化硅含量
    China National Standards

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    GB/T 6609.31-2009 Chemical analysis methods and determination of physical performance of alumina - Part 31: Determination of angle of flow
    氧化铝化学分析方法和物理性能测定方法 第31部分:流动角的测定
    China National Standards

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    GB/T 6609.30-2009 Chemical analysis methods and determination of physical performance of alumina - Part 30: X-ray fluorescence spectrometric method for the determination centent of trace elements
    氧化铝化学分析方法和物理性能测定方法 第30部分:X射线荧光光谱法测定微量元素含量
    China National Standards

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    GB/T 6609.29-2004 Chemical analysismethods and determination of physical performance of alumina--Determination of an absorption index
    氧化铝化学分析方法和物理性能测定方法 吸附指数的测定
    China National Standards

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    GB/T 6609.28-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of the fine particle size distribution(less than 60μm)--Method using electroformed sieves
    氧化铝化学分析方法和物理性能测定方法 小于60μm的细粉末粒度分布的测定 湿筛法
    China National Standards

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    GB/T 6609.27-2009 Chemical analysis methods and determination of physical performance of alumina - Part 27: Partical size analysis - Method using electriformed sieves
    氧化铝化学分析方法和物理性能测定方法 第27部分:粒度分析 筛分法
    China National Standards

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    GB/T 6609.26-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of absolute density--Pycnometer method
    氧化铝化学分析方法和物理性能测定方法 有效密度的测定 比重瓶法
    China National Standards

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    GB/T 6609.25-2004 Chemical analysismethods and determination of physical performance of alumina--Determination of untamped density
    氧化铝化学分析方法和物理性能测定方法 松装密度的测定
    China National Standards

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    GB/T 6609.24-2004 Chemical analysis methods and determination of physical performance of alumina--Measurement of the angle of repose
    氧化铝化学分析方法和物理性能测定方法 安息角的测定
    China National Standards

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    GB/T 6609.23-2004 Chemical analysis methods and determination of physical performance of alumina--Preparation andstorage of test samples
    氧化铝化学分析方法和物理性能测定方法 试样的制备和贮存
    China National Standards

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