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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 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 mica |
 English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| GB/T 6609.22-2004 |
Chemical analysis methods and determination of physical performance of alumina--Sampling 氧化铝化学分析方法和物理性能测定方法 取样 |
China National Standards mica |
English PDF |
| GB/T 6609.21-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of gallium trioxide content--Butyrhodamine B spectrophotometric method 氧化铝化学分析方法和物理性能测定方法 丁基罗丹明B分光光度法测定三氧化二镓含量 |
China National Standards mica |
English PDF |
| GB/T 6609.20-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of magnesia content--Flame atomic absorption spectrophotometric method 氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化镁含量 |
China National Standards mica |
English PDF |
| GB/T 6609.19-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of lithia content--Flame atomic absorption spectrophotometric method 氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化锂含量 |
China National Standards mica |
English PDF |
| GB/T 6609.18-2004 |
Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N，N-dimethyl-P-phenylenediamine spectrophotometric method 氧化铝化学分析方法和物理性能测定方法 N，N-二甲基对苯二胺分光光度法测定硫酸根含量 |
China National Standards mica |
English PDF |
| GB/T 6609.17-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of phosphorus pentoxide content--Molybdenum blue spectrophotometric method 氧化铝化学分析方法和物理性能测定方法 钼蓝分光光度法测定五氧化二磷含量 |
China National Standards mica |
English PDF |
| GB/T 6609.16-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of boron trioxide content--Curcumin spectrophotometric method 氧化铝化学分析方法和物理性能测定方法 姜黄素分光光度法测定三氧化二硼含量 |
China National Standards mica |
English PDF |
| GB/T 6609.15-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of chlorine content--Ferric thiocyanate photometric method 氧化铝化学分析方法和物理性能测定方法 硫氰酸铁光度法测定氯含量 |
China National Standards mica |
English PDF |
| GB/T 6609.14-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of fluorine content--Lanthanum-alizarincomplexone spectrophotometric method 氧化铝化学分析方法和物理性能测定方法 镧-茜素络合酮分光光度法测定氟含量 |
China National Standards mica |
English PDF |
| GB/T 6609.13-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of calcium oxide content--Flame atomic absorption spectrophotometric method 氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化钙含量 |
China National Standards mica |
English PDF |
| GB/T 6609.12-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of zinc oxide content--Flame atomic absorption spectrophotometricmethod 氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化锌含量 |
China National Standards mica |
English PDF |
| GB/T 6609.11-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of manganous oxide content--Flame atomic absorption spectrophotometric method 氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定一氧化锰含量 |
China National Standards mica |
English PDF |
| GB/T 6609.10-2004 |
Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method 氧化铝化学分析方法和物理性能测定方法 苯甲酰苯基羟胺萃取光度法测定五氧化二钒含量 |
China National Standards mica |
English PDF |
| GB/T 1819.9-2004 |
Methods for chemical analysis of tin concentrates--Determination of tungsten trioxide content--The thiocyanate spectrophotometric method 锡精矿化学分析方法 三氧化钨量的测定 硫氰酸盐分光光度法 |
China National Standards mica |
English PDF |
| GB/T 1819.8-2004 |
Methods for chemical analysis of tin concentrates--Determination of zinc content--Flame atomic absorption spectrometric method 锡精矿化学分析方法 锌量的测定 火焰原子吸收光谱法 |
China National Standards mica |
English PDF |
| GB/T 1819.7-2004 |
Methods for chemical analysis of tin concentrates--Determination of bismuth content--Flame atomicabsorption spectrometric method 锡精矿化学分析方法 铋量的测定 火焰原子吸收光谱法 |
China National Standards mica |
English PDF |
| GB/T 1819.6-2004 |
Methods for chemical analysis of tin concentrates--Determination of antimony content--The malachite green spectrometric method and the flame atomic absorption spectrometric method 锡精矿化学分析方法 锑量的测定 孔雀绿分光光度法和火焰原子吸收光谱法 |
China National Standards mica |
English PDF |
| GB/T 1819.5-2004 |
Methods for chemical analysis of tin concentrates--Determination of arsenic content--The molybdoantimonyarsenate blue spectrophotometric method and the distillation-iodimetric titrimetric method 锡精矿化学分析方法 砷量的测定 砷锑钼蓝分光光度法和蒸馏分离-碘滴定法 |
China National Standards mica |
English PDF |
| GB/T 1819.4-2004 |
Methodsfor chemical analysis of tin concentrates--Determination of lead content--Flameatomic absorption spectrometric method and EDTA titrimetric method 锡精矿化学分析方法 铅量的测定 火焰原子吸收光谱法和EDTA滴定法 |
China National Standards mica |
English PDF |
| GB/T 1819.3-2004 |
Methods for chemical analysis of tin concentrates--Determination of iron content--The cerium sulfate titrimetric method 锡精矿化学分析方法 铁量的测定 硫酸铈滴定法 |
China National Standards mica |
English PDF |
| GB/T 1819.2-2004 |
Methods for chemical analysis of tin concentrates--Determination of tin content--The potassium iodate titrimetric method 锡精矿化学分析方法 锡量的测定 碘酸钾滴定法 |
China National Standards mica |
English PDF |
| GB/T 1819.13-2004 |
Methodsfor chemical analysis of tin concentrates--Determination of magnesium oxide andcalcium oxide contents--Flame atomic absorption spectrometric method 锡精矿化学分析方法 氧化镁、氧化钙量的测定 火焰原子吸收光谱法 |
China National Standards mica |
English PDF |
| GB/T 1819.12-2004 |
Methods for chemical analysis of tin concentrates--Determination of silicon dioxide content--The silicomolybdenum blue spectrophotometric method 锡精矿化学分析方法 二氧化硅量的测定 硅钼蓝分光光度法 |
China National Standards mica |
English PDF |
| GB/T 1819.1-2004 |
Methods for chemical analysisof tin concentrates--Determination of water content--The weighing method 锡精矿化学分析方法 水分量的测定 称量法 |
China National Standards mica |
English PDF |
| GB/T 1819.11-2004 |
Methods for chemical analysis of tin concentrates--Determination of aluminum oxide content--The chromazuzol S spectrophotometric method 锡精矿化学分析方法 三氧化二铝量的测定 铬天青S分光光度法 |
China National Standards mica |
English PDF |
| GB/T 1819.10-2004 |
Methods for chemical analysis of tin concentrates--Determination of sulphur content--The high frequency infrared absorption method and the combustion potassium iodate titrimetric method 锡精矿化学分析方法 硫量的测定 高频红外吸收法和燃烧-碘酸钾滴定法 |
China National Standards mica |
English PDF |
| GB/T 13884-2003 |
Determination of cobalt in feed--Atomicabsorption spectroscopy 饲料中钴的测定 原子吸收光谱法 |
China National Standards mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
English PDF |
| 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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
English PDF |
| GB/T 674-2003 |
Chemical reagent--Copper(II)oxide powder 化学试剂 粉状氧化铜 |
China National Standards mica |
English PDF |
| GB/T 656-2003 |
Chemical reagent--Ammonium dichromate 化学试剂 重铬酸铵 |
China National Standards mica |
English PDF |
| GB/T 606-2003 |
Chemical reagent--General method for the determination of water--Karl Fischer method 化学试剂 水分测定通用方法 卡尔·费休法 |
China National Standards mica |
English PDF |
| GB/T 1265-2003 |
Chemical reagent--Sodium bromide 化学试剂 溴化钠 |
China National Standards mica |
English PDF |
| GB/T 6681-2003 |
General rules for sampling gaseous chemical products 气体化工产品采样通则 |
China National Standards mica |
English PDF |
| GB/T 6680-2003 |
General rules for sampling liquid chemical products 液体化工产品采样通则 |
China National Standards mica |
English PDF |
| GB/T 6679-2003 |
General rules for sampling solid chemical products 固体化工产品采样通则 |
China National Standards mica |
English PDF |
| GB/T 6678-2003 |
General principles for sampling chemical products 化工产品采样总则 |
China National Standards mica |
English PDF |
| GB/T 3045-2003 |
Abrasive grains--Chemical analysis of silicon carbide 普通磨料 碳化硅化学分析方法 |
China National Standards mica |
English PDF |
| GB/T 11213.3-2003 |
Sodium hydroxide for chemical fiber use--Determination of the calcium content--EDTA complexometric method 化纤用氢氧化钠 钙含量的测定 EDTA络合滴定法 |
China National Standards mica |
English PDF |
| GB/T 5009.1-2003 |
Methods of food hygienic analysis--Physical and chemical section--General principles 食品卫生检验方法 理化部分 总则 |
China National Standards mica |
English PDF |
| GB/T 652-2003 |
Chemical reagent--Barium chloride dihydrate 化学试剂 氯化钡 |
China National Standards mica |
English PDF |
| GB/T 6285-2003 |
Determination of trace oxygen in gases--Eletrochemical method 气体中微量氧的测定 电化学法 |
China National Standards mica |
English PDF |
| GB 19062-2003 |
Regulation of controlsoil pollution for destruction chemical weapons abandoned in China by Japan 销毁日本遗弃在华化学武器土壤污染控制标准(试行) |
China National Standards mica |
English PDF |
| GB 19061-2003 |
Regulation of controlwater pollutant for the destruction of abandoned chemical weapons by Japan inChina 销毁日本遗弃在华化学武器水污染物控制标准(试行) |
China National Standards mica |
English PDF |
| GB 19060-2003 |
Emission regulationof air pollutants for destruction of chemical weapons abandoned in China by Japan 销毁日本遗弃在华化学武器大气污染物排放标准(试行) |
China National Standards mica |
English PDF |
| GB 19059-2003 |
Regulation for concentration of pollutants in the workplace air for destruction of chemicalweapons abandoned in China by Japan 销毁日本遗弃在华化学武器工作区空气中污染物浓度标准(试行) |
China National Standards mica |
English PDF |
| GB 19058-2003 |
Environmental protection technological regulation on the entire process for the destruction of abandoned chemical weapons by Japan in China 销毁日本遗弃在华化学武器全过程环境保护技术规定(试行) |
China National Standards mica |
English PDF |
| GB 19057-2003 |
Regulation for solid waste treatment and disposal for the destruction of abandoned chemical weapons by Japan in China 销毁日本遗弃在华化学武器固体废物处理处置标准(试行) |
China National Standards mica |
English PDF |
| GB/T 10574.9-2003 |
Methods for chemical analysis of tin-lead solders--Determination of aluminum content 锡铅焊料化学分析方法 铝量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.8-2003 |
Methods for chemical analysis of tin-lead solders--Determination of zinc content 锡铅焊料化学分析方法 锌量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.7-2003 |
Methods for chemical analysis of tin-lead solders--Determination of silver content 锡铅焊料化学分析方法 银量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.6-2003 |
Methods for chemical analysis of tin-lead solders--Determination of copper content 锡铅焊料化学分析方法 铜量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.5-2003 |
Methods for chemical analysis of tin-lead solders--Determination of arsenic content 锡铅焊料化学分析方法 砷量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.4-2003 |
Methods for chemical analysis of tin-lead solders--Determination of iron content 锡铅焊料化学分析方法 铁量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.3-2003 |
Methods for chemical analysis of tin-lead solders--Determination of bismuth content 锡铅焊料化学分析方法 铋量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.2-2003 |
Methods for chemical analysis of tin-lead solders--Determination of antimony content 锡铅焊料化学分析方法 锑量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.13-2003 |
Methods for chemical analysis of tin-lead solders--Determination of copper，iron，cadmium，silver，gold，arsenic，zinc，aluminium，bismuth，phosphorous content 锡铅焊料化学分析方法 铜、铁、镉、银、金、砷、锌、铝、铋、磷量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.12-2003 |
Methods for chemical analysis of tin-lead solders--Determination of sulphur content 锡铅焊料化学分析方法 硫量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.1-2003 |
Methods for chemical analysis of tin-lead solders--Determination of tin content 锡铅焊料化学分析方法 锡量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.11-2003 |
Methods for chemical analysis of tin-lead solders--Determination of phosphorus content 锡铅焊料化学分析方法 磷量的测定 |
China National Standards mica |
English PDF |
| GB/T 10574.10-2003 |
Methods for chemical analysis of tin-lead solders--Determination of cadmium content 锡铅焊料化学分析方法 镉量的测定 |
China National Standards mica |
English PDF |
| GB/T 679-2002 |
Chemical reagent--Ethanol 化学试剂 乙醇(95%) |
China National Standards mica |
English PDF |
| GB/T 603-2002 |
Chemical reagent--Preparations of reagent solutions for use in test methods 化学试剂 试验方法中所用制剂及制品的制备 |
China National Standards mica |
English PDF |
| GB/T 602-2002 |
Chemical reagent--Preparations of standard solutions for impurity 化学试剂 杂质测定用标准溶液的制备 |
China National Standards mica |
English PDF |
| GB/T 601-2002 |
Chemical reagent--Preparations of standard volumetric solutions 化学试剂 标准滴定溶液的制备 |
China National Standards mica |
English PDF |
| GB/T 3396-2002 |
Ethylene and propylene for industrial use--Determination of trace oxygen--Electrochemical method 工业用乙烯、丙烯中微量氧的测定 电化学法 |
China National Standards mica |
English PDF |
| GB/T 678-2002 |
Chemical reagent--Ethanol 化学试剂 乙醇(无水乙醇) |
China National Standards mica |
English PDF |
| GB/T 6684-2002 |
Chemical reagent--Hydrogen peroxide 30% 化学试剂 30%过氧化氢 |
China National Standards mica |
English PDF |
| GB/T 682-2002 |
Chemical reagent--Trichloromethane 化学试剂 三氯甲烷 |
China National Standards mica |
English PDF |
| GB/T 12591-2002 |
Chemical reagent--Diethyl ether 化学试剂 乙醚 |
China National Standards mica |
English PDF |
| GB/T 15519-2002 |
Chemical conversion coatings--Black oxide coating on iron and steel--Specification and test methods 化学转化膜 钢铁黑色氧化膜 规范和试验方法 |
China National Standards mica |
English PDF |
| GB/T 2930.5-2001 |
Rules for forage seed testing--Biochemical test for viability 牧草种子检验规程 生活力的生物化学(四唑)测定 |
China National Standards mica |
English PDF |
| GB/T 18307-2001 |
Methods for chemical analysis of crude silver 粗银化学分析方法 |
China National Standards mica |
English PDF |
| GB 18282.1-2000 |
Sterilization of health care products--Chemical indicators--Part 1:General requirements 医疗保健产品灭菌 化学指示物 第1部分:通则 |
China National Standards mica |
English PDF |
| GB 18265-2000 |
Operation conditions and technical requirements for enterprises handling dangerous chemicals business 危险化学品经营企业开业条件和技术要求 |
China National Standards mica |
English PDF |
| GB/T 223.78-2000 |
Methods for chemical analysis of iron，steel and alloy--Curcumin spectrophotometric method for the determination of boron content 钢铁及合金化学分析方法 姜黄素直接光度法测定硼含量 |
China National Standards mica |
English PDF |
| GB/T 223.34-2000 |
Methods for chemical analysis of iron，steel and alloy--The determination of hydrochloric acid-insoluble content of iron powders 钢铁及合金化学分析方法 铁粉中盐酸不溶物的测定 |
China National Standards mica |
English PDF |
| GB 16852.6-2000 |
Diagnosis of occupational acute chemicals poisoning--Part 6:Diagnostic criteria of occupational acute toxic pulmonopathy 职业性急性化学物中毒的诊断 第6部分:职业性急性化学物中毒性呼吸系统疾病的诊断 |
China National Standards mica |
English PDF |
| GB/T 3051-2000 |
Inorganic chemical products for industrial use--General method for determination of chloride content--Mercurimetric method 无机化工产品中氯化物含量测定的通用方法 汞量法 |
China National Standards mica |
English PDF |
| GB/T 3050-2000 |
Inorganic chemical products for industrial use--General method for determination of chloride content--Potentiometric method 无机化工产品中氯化物含量测定的通用方法 电位滴定法 |
China National Standards mica |
English PDF |
| GB/T 2305-2000 |
Chemical reagent--Phosphorus(V) oxide 化学试剂 五氧化二磷 |
China National Standards mica |
English PDF |
| GB/T 223.8-2000 |
Methods for chemical analysis of iron，steel and alloy--The sodium fluoride separation--EDTA titration method for the determination of aluminium content 钢铁及合金化学分析方法 氟化钠分离-EDTA滴定法测定铝含量 |
China National Standards mica |
English PDF |
| GB/T 223.14-2000 |
Methods for chemical analysis of iron，steel and alloy--The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content 钢铁及合金化学分析方法 钽试剂萃取光度法测定钒含量 |
China National Standards mica |
English PDF |
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