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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| 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 Methods for chemical |
 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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
English PDF |
| GB/T 18307-2001 |
Methods for chemical analysis of crude silver 粗银化学分析方法 |
China National Standards Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
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 Methods for chemical |
English PDF |
| GB/T 223.13-2000 |
Methods for chemical analysis of iron，steel and alloy--The ammonium ferrous sulfate titrationmethod for the determination of vanadium content 钢铁及合金化学分析方法 硫酸亚铁铵滴定法测定钒含量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 17373-1998 |
Sampling Methods for chemical analysis of crudegold 合质金化学分析取样方法 |
China National Standards Methods for chemical |
English PDF |
| GB/T 4702.1-1997 |
Methods for chemical analysis of chromium metal--The ammonium ferrous sulfate volumetric method for thedetermination of chromium content 金属铬化学分析方法 硫酸亚铁铵容量法测定铬量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.74-1997 |
Methods for chemical analysis of iron，steel and alloy--The combustion gravimetric/gas-volumetric method for the determination of non-combined carbon content 钢铁及合金化学分析方法 非化合碳含量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.71-1997 |
Methods for chemical analysis of iron，steel and alloy--The gravimetric method after combustion in the pipe furnace for the determination of carbon content 钢铁及合金化学分析方法 管式炉内燃烧后重量法测定碳含量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.68-1997 |
Methods for chemical analysis of iron，steel and alloy--The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content 钢铁及合金化学分析方法 管式炉内燃烧后碘酸钾滴定法测定硫含量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.60-1997 |
Methods for chemical analysis of iron，steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content 钢铁及合金化学分析方法 高氯酸脱水重量法测定硅含量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 16484.17-1996 |
Methods for chemical analysis of rare earth chloride and carbonate--Determination of water content in rare earth carbonate 氯化稀土、碳酸稀土化学分析方法 碳酸稀土中水分量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 16480.3-1996 |
Methods for chemical analysis of yttrium and yttrium oxide--Determination of fluorine content 金属钇及氧化钇化学分析方法 氟量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.6-1994 |
Methods for chemical analysis of iron，steel and alloy--The neutralization titrimetric method for the determination of boron content 钢铁及合金化学分析方法 中和滴定法测定硼量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.50-1994 |
Methods for chemical analysis of iron，steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content 钢铁及合金化学分析方法 苯基荧光酮-溴化十六烷基三甲基胺直接光度法测定锡量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.49-1994 |
Methods for chemical analysis of iron，steel and alloy--Extraction separation-chlorophosphonazo mA spectro-photometric method for the determination of the total rare earth content 钢铁及合金化学分析方法 萃取分离-偶氮氯膦mA分光光度法测定稀土总量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.47-1994 |
Methods for chemical analysis of iron，steel and alloy--The carrier precipitation-molybdenumblue potometric method for the determination of antimony content 钢铁及合金化学分析方法 载体沉淀-钼蓝光度法测定锑量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.36-1994 |
Methods for chemical analysis of iron，steel and alloy--The neutral titration method for the determination of nitrogen content after distillation separation 钢铁及合金化学分析方法 蒸馏分离-中和滴定法测定氮量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.32-1994 |
Methods for chemical analysis of iron，steel and alloy--The hypophosphite reduction-iodimetric method for the determination of arsenic content 钢铁及合金化学分析方法 次磷酸钠还原-碘量法测定砷量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.30-1994 |
Methods for chemical analysis of iron，steel and alloy--The arsenazo Ⅲspectrophotometric method for the determination of zirconium content after separation by p-bromomandelic acid 钢铁及合金化学分析方法 对-溴苦杏仁酸沉淀分离-偶氮胂Ⅲ分光光度法测定锆量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.7-1994 |
Methods for chemical analysis of tantalum and niob-ium--Determination of phosphorus content in niob-ium 钽铌化学分析方法 铌中磷量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.6-1994 |
Methods for chemical analysis of tantalum and niob-ium--Determination of silicon content in tantalum 钽铌化学分析方法 钽中硅量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.5-1994 |
Methods for chemical analysis of tantalum and niob-ium--Determination of molybdenum and tungsten contents 钽铌化学分析方法 钼量和钨量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.4-1994 |
Methods for chemical analysis of tantalumand niob-ium--Determination of iron content 钽铌化学分析方法 铁量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.3-1994 |
Methods for chemical analysis of tantalumand niob-ium--Determination of copper content 钽铌化学分析方法 铜量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.2-1994 |
Methods for chemical analysis of tantalum and niob-ium--Determination of niobium content in tantalum 钽铌化学分析方法 钽中铌量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.13-1994 |
Methods for chemical analysis of tantalum and niob-ium--Determination of nitrogen content in tantalum 钽铌化学分析方法 钽中氮量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.1-1994 |
Methods for chemical analysis of tantalum and niob-ium--Determination of tantalum content in niobium 钽铌化学分析方法 铌中钽量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.11-1994 |
Methods for chemical analysis of tantalum and niob-ium--Determination of arsenic antimony，lead，tin and bismuth contents in niobium 钽铌化学分析方法 铌中砷、锑、铅、锡和铋量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 15076.10-1994 |
Methods for chemical analysis of tantalum and niob-ium--Determination of iron，nickel，chromium，titan-ium，zirconium， aluminium and manganese contents in niobium 钽铌化学分析方法 铌中铁、镍、铬、钛、锆、铝和锰量的测定 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.77-1994 |
Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of calcium content 钢铁及合金化学分析方法 火焰原子吸收光谱法测定钙量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.76-1994 |
Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of vanadium content 钢铁及合金化学分析方法 火焰原子吸收光谱法测定钒量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.25-1994 |
Methods for chemical analysis of iron，steel and alloy--The dimethylglyoxime gravimetric method forthe determination of nickel content 钢铁及合金化学分析方法 丁二酮肟重量法测定镍量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.22-1994 |
Methods for chemical analysis of iron，steel and alloy--The nitroso-R-salt spectrophotometric method for the determination of cobalt content 钢铁及合金化学分析方法 亚硝基R 盐分光光度法测定钴量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.21-1994 |
Methods for chemical analysis of iron，steel and alloy--The 5-Cl-PADAB spectrophotometricmethod for the determination of cobalt content 钢铁及合金化学分析方法 5-Cl-PADAB分光光度法测定钴量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.20-1994 |
Methods for chemical analysis of iron，steel and alloy--The fotentiometric titration method for the determination of cobalt content 钢铁及合金化学分析方法 电位滴定法测定钴量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.18-1994 |
Methods for chemical analysis of iron，steel and alloy--The sodium thiosulfate separation iodimetric method for the determination of copper content 钢铁及合金化学分析方法 硫代硫酸钠分离-碘量法测定铜量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.16-1991 |
Methods for chemical analysis of iron，steel and alloy--The chromotropic acid photometric method for the determination of titanium content 钢铁及合金化学分析方法 变色酸光度法测定钛量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 4333.10-1990 |
Methods for chemical analysis of ferrosilicon--The infrared absorption method for the determination of carbon content 硅铁化学分析方法 红外线吸收法测定碳量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.66-1989 |
Methods for chemical analysis of iron，steel and alloy--The thiocyanate chlorpromazine hydrochloride--chloro form extraction photometric method for the determination of tungsten content 钢铁及合金化学分析方法 硫氰酸盐-盐酸氯丙嗪-三氯甲烷萃取光度法测定钨量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.46-1989 |
Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of magnesium content 钢铁及合金化学分析方法 火焰原子吸收光谱法测定镁量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.37-1989 |
Methods for chemical analysis of iron，steel and alloy--The indophenol blue photometric method for the determination of nitrogen content after distillation separation 钢铁及合金化学分析方法 蒸馏分离-靛酚蓝光度法测定氮量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.28-1989 |
Methods for chemical analysis of iron，steel and alloy--The α-benzoinoxime gravimetric method for the determination of molybdenum content 钢铁及合金化学分析方法 α-安息香肟重量法测定钼量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.19-1989 |
Methods for chemical analysis of iron，steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content 钢铁及合金化学分析方法 新亚铜灵-三氯甲烷萃取光度法测定铜量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.17-1989 |
Methods for chemical analysis of iron，steel and alloy--The diantipyryl methane photometric method for the determination of titanium content 钢铁及合金化学分析方法 二安替比林甲烷光度法测定钛量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 3653.1-1988 |
Methods for chemical analysis of ferroboron--The alkalimetric method for the determination of boron content 硼铁化学分析方法 碱量滴定法测定硼量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 4333.8-1988 |
Methods for chemical analysisof ferrosilicon--The atomic absorption spectrometric method for the deter-mination of calcium content 硅铁化学分析方法 原子吸收光谱法测定钙量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 4333.6-1988 |
Methods for chemical analysis of ferrosilicon--The diphenylcarbazide photometric method for the determination of chromium content 硅铁化学分析方法 二苯基碳酰二肼光度法测定铬量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 4333.3-1988 |
Methods for chemical analysisof ferrosilicon--The potassium periodate photometric method for the determination of manganese content 硅铁化学分析方法 高碘酸钾光度法测定锰量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 4333.2-1988 |
Methods for chemical analysisof ferrosilicon--The reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content 硅铁化学分析方法 铋磷钼蓝光度法测定磷量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 3653.6-1988 |
Methods for chemical analysisof ferroboron--The reduced molybdoantimonylphosphoric acid photometric method for the determination of phosphorus content 硼铁化学分析方法 锑磷钼蓝光度法测定磷量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 3653.3-1988 |
Methods for chemical analysis of ferroboron--The perchloric acid dehydration-gravimetric method for the determination of silicon content 硼铁化学分析方法 高氯酸脱水重量法测定硅量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 7731.10-1988 |
Methods for chemical analysis of ferrotungsten--The infrared absorption method for the determination of carbon content 钨铁化学分析方法 红外线吸收法测定碳量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 4702.14-1988 |
Methods for chemical analysisof chromium metal--The infrared absorption method for the determination of carbon content 金属铬化学分析方法 红外线吸收法测定碳量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8654.6-1988 |
Methods for chemical analysis of manganese metal--The diamine hydrochloride-iodo-metric method for the determination of selenium content 金属锰化学分析方法 盐酸联氨-碘量法测定硒量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8156.9-1987 |
Methods for chemical analysis of aluminium fluoride for industrial use--The molybdenum blue photometric method for the determination of phosphorus content 工业用氟化铝化学分析方法 钼蓝光度法测定磷量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8156.8-1987 |
Methods for chemical analysis of aluminium fluoride for industrial use--The barium sulphate gravimetric method for the determination of sulphate content 工业用氟化铝化学分析方法 硫酸钡重量法测定硫酸根量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8156.7-1987 |
Methods for chemical analysis of aluminium fluoride for industrial use--The 1，10-phenanthroline photometric method for the determination of iron content 工业用氟化铝化学分析方法 邻二氮杂菲光度法测定铁量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8156.6-1987 |
Methods for chemical analysis of aluminium fluoride for industrial use--The molybdenum blue photometric method for the determination of silica content 工业用氟化铝化学分析方法 钼蓝光度法测定硅量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8156.5-1987 |
Methods for chemical analysis of aluminium fluoride for industrial use--The flame emission photometric method for the determination of sodium content 工业用氟化铝化学分析方法 火焰发射光度法测定钠量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8156.4-1987 |
Methods for chemical analysis of aluminium fluoride for industrial use--The EDTA volumetric method for the determination of aluminium content 工业用氟化铝化学分析方法 EDTA容量法测定铝量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8156.3-1987 |
Methods for chemical analysis of aluminium fluoride for industrial use--The distillation-thoriumnitrate volumetric method for the determination of fluoride content 工业用氟化铝化学分析方法 蒸馏-硝酸钍容量法测定氟量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8156.2-1987 |
Methods for chemical analysis of aluminium fluoride for industrial use--The electrometric method for the determination of water content 工业用氟化铝化学分析方法 电量法测定水分含量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8156.1-1987 |
Methods for chemical analysis of aluminium fluoride for industrial use--The gravimetric method for the determination of moisture content 工业用氟化铝化学分析方法 重量法测定湿存水量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 8152.6-1987 |
Methods for chemical analysis of lead concentrates--The polarographic method for the determination of bismuth content 铅精矿化学分析方法 极谱法测定铋量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 7731.5-1987 |
Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of silicon content 钨铁化学分析方法 钼蓝光度法测定硅量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 7731.4-1987 |
Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content 钨铁化学分析方法 钼蓝光度法测定磷量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 7731.1-1987 |
Methods for chemical analysis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content 钨铁化学分析方法 辛可宁重量法测定钨量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.58-1987 |
Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content 钢铁及合金化学分析方法 亚砷酸钠-亚硝酸钠滴定法测定锰量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.57-1987 |
Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content 钢铁及合金化学分析方法 萃取分离-吸附催化极谱法测定镉量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.54-1987 |
Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrophotometric method for the determination of nickel content 钢铁及合金化学分析方法 火焰原子吸收分光光度法测定镍量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.53-1987 |
Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content 钢铁及合金化学分析方法 火焰原子吸收分光光度法测定铜量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.52-1987 |
Methods for chemical analysis of iron，steel and alloy--The hydroxylamine hydrochloride-iodometric method for the determination of selenium content 钢铁及合金化学分析方法 盐酸羟胺-碘量法测定硒量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 223.51-1987 |
Methods for chemical analysis of iron，steel and alloy--The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content 钢铁及合金化学分析方法 5-Br-PADAP 光度法测定锌量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 6730.8-1986 |
Methods for chemical analysis of iron ores--The potassium dichromate volumetric method for the determination of iron (Ⅱ)content 铁矿石化学分析方法 重铬酸钾容量法测定亚铁量 |
China National Standards Methods for chemical |
English PDF |
| GB/T 6730.7-1986 |
Methods for chemical analysis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content 铁矿石化学分析方法 磺基水杨酸光度法测定金属铁量 |
China National Standards Methods for chemical |
English PDF |
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