H15 贵金属及其合金分析方法 标准查询与下载



共找到 306 条与 贵金属及其合金分析方法 相关的标准,共 21

本标准规定了金中银含量的测定方法。 本标准适用于金中银含量的测定。测定范围:0.0005%~0.0400%。

Gold--Determination of silver content--Flame atomic absorption spectometric method

ICS
77.120.70
CCS
H15
发布
1989-03-31
实施
1990-02-01

本标准规定了银中银含量的测定方法。 本标准适用于银中银含量的测定。测定范围:99.850%~99.980%。

Silver--Determination of silver content--Silver chloride precopitation--Flame atomic absorption spectrometric method

ICS
77.120.70
CCS
H15
发布
1989-03-31
实施
1990-02-01

试样用硝酸及盐溶解并蒸至近干,加盐酸驱除硝酸,在微酸性介质中用亚硝酸钠还原以分离金,滤液中加钼酸铵和硫脲,使磷生成磷钼蓝络合物,在液长680毫微米处用分光光度法测定磷。 本方法适用于分析金磷合金中不大于1%磷。

Method for chemical analysis of gold-phosphorus alloys

ICS
77.120.70
CCS
H15
发布
1979-02-13
实施
1979-10-01

试样用硝酸及盐酸溶解,加盐酸赶除硝酸,用溴酸钠氧化,在碳酸氢钠(pH8)溶液中,钯、铑呈水合氧化物形式沉淀,铂却留在溶液中。滤出沉淀溶于盐酸中,再重复溴酸钠氧化沉淀一次,使钯、铑与铂完全分离。再将钯、铑的沉淀溶于盐酸中,在约3%盐酸溶液中,加丁二肟乙醇溶液沉淀钯,过滤与铑分离,用烘干丁二肟钯的沉淀的重量法测定钯量。滤液中的铑量,用氯化亚锡分光光度法测定之。 本方法适用于分析铂钯铑合金中4%钯及3.5%铑。

Method for chemical analysis of platinum-palladium-rhodium alloys

ICS
77.120.70
CCS
H15
发布
1979-02-13
实施
1979-10-01

试样用封管氯化法溶解,以硫脲分光光度法测定钉,铂对钉的显色有微小负干扰,可在绘制钉的标准曲线时加入一定量的铂以消除之。 本法适用于分析铂钉合金中5~10%钉。

Method for chemical analysis of platinum-ruthenium alloys

ICS
77.120.70
CCS
H15
发布
1979-02-13
实施
1979-10-01

本法适用于分析铂铑合金中5~70%铑。

Method for chemical analysis of platinum-rhodium alloys

ICS
77.120.70
CCS
H15
发布
1979-02-13
实施
1979-10-01

本文件适用于镍铂合中氧含金量和氮含量的测定。测定范围:0.0010%~0.020%。

Chemical analysis methods for nickel-platinum alloys, determination of oxygen and nitrogen content, pulse-infrared absorption method and thermal conductivity detection method

ICS
77.120.99
CCS
H15
发布
2022-09-30
实施
2023-04-01

本文件适用于铑炭中铑含量的测定。测定范围:0.100%~8.00%。

Chemical analysis methods for rhodium carbon - Determination of rhodium content - Inductively coupled plasma atomic emission spectrometry

ICS
77.120.99
CCS
H15
发布
2022-09-30
实施
2023-04-01

本部分适用于银钨合金中钨含量的测定。测定范围:20.00%~90.00%。

Methods for chemical analysis of silver-tungsten alloys Part 2: Determination of tungsten content Cinchonine gravimetric method

ICS
77.120.99
CCS
H15
发布
2022-09-30
实施
2023-04-01

本文件适用于银钨合金中钴、铬、铜、镁、铁、钾、钠、锡、镍、硅、锌含量的测定。

Methods for chemical analysis of silver-tungsten alloys Part 3: Determination of cobalt, chromium, copper, magnesium, iron, potassium, sodium, tin, nickel, silicon and zinc content by inductively coupled plasma atomic emission spectrometry

ICS
77.120.99
CCS
H15
发布
2022-09-30
实施
2023-04-01

本文件适用于银钨合金中银含量的测定。测定范围:质量分数20.00%~80.00%。

Methods for chemical analysis of silver-tungsten alloys Part 1: Determination of silver content by potentiometric titration

ICS
77.120.99
CCS
H15
发布
2022-09-30
实施
2023-04-01

本文件适用于银钨合金中碳含量的测定。测定范围:0.002%~0.20%。

Methods for chemical analysis of silver-tungsten alloys Part 4: Determination of carbon content High-frequency induction furnace combustion infrared absorption method

ICS
77.120.99
CCS
H15
发布
2022-09-30
实施
2023-04-01

Chemical analysis method of high-purity iridium Determination of impurity element content Glow discharge mass spectrometry

ICS
77.040.30
CCS
H15
发布
2021-12-02
实施
2022-04-01

Methods for chemical analysis of silver concentrates Part 17: Determination of silica content Molybdenum blue spectrophotometry

ICS
77.120.99
CCS
H15
发布
2021-12-02
实施
2022-04-01

Analysis method for platinum compounds Determination of impurity anion content Ion chromatography

ICS
77.040.30
CCS
H15
发布
2021-12-02
实施
2022-04-01

Analysis method for palladium compounds Determination of impurity anion content Ion chromatography

ICS
77.040.30
CCS
H15
发布
2021-12-02
实施
2022-04-01

Chemical analysis methods for ruthenium compounds Determination of platinum, palladium, rhodium, iridium, gold, silver, copper, iron, nickel, magnesium, manganese, lead, zinc, calcium and sodium content by inductively coupled plasma atomic emission spectr

ICS
77.040.30
CCS
H15
发布
2021-12-02
实施
2022-04-01

Chemical analysis method for high purity gold Determination of impurity element content Glow discharge mass spectrometry

ICS
77.040.30
CCS
H15
发布
2021-12-02
实施
2022-04-01

High purity palladium chemical analysis method Determination of impurity element content Glow discharge mass spectrometry

ICS
77.040.30
CCS
H15
发布
2021-12-02
实施
2022-04-01

Chemical analysis method for high purity rhodium Determination of impurity element content Glow discharge mass spectrometry

ICS
77.040.30
CCS
H15
发布
2021-12-02
实施
2022-04-01



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