Copper-nickel separation method
Copper-nickel separation method, Total:157 items.
The international standard classification for "Copper-nickel separation method" includes: Other organic chemicals , Cadmium, cobalt and their alloys , Copper and copper alloys , Nickel, chromium and their alloys , Coals , Other non-ferrous metals and their alloys , Chemical analysis , Ferroalloys , Non-ferrous metals in general , Metallic coatings , Metalliferous minerals , Chemical analysis of metals , Testing of metals .
The Chinese standard classification for "Copper-nickel separation method" includes: Organic chemicals in general , Light metals and their alloys analysis method , Heavy metals and their alloys analysis method , Coal analysis methods , Rare metals and their alloys , Basic standards and general methods for water treatment agent , Steel and iron alloy analysis method , Metal physical property test method , Rare metals and their alloys analysis method , Material Protection , Basic standard and general method , Heavy metal ore , Electrician alloy parts , Material and component for instrument and meter , Welding and cutting , Precious metals and its alloy analysis method , Semimetal and semiconductor material analysis method .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 5121.5-1996 Copper and copperr alloys-Determination of nickl content
- GB/T 10267.3-1988 Method for analysis of calcium metal-The direct determination of iron,nickel,copper,manganese and magnesium in calcium metal by atomic absorption spectrometry
- GB/T 5122.2-1985 Methods for chemical analysis of brass--The electrolytic separation--EDTA titrimetric method for the determination of lead content
- GB/T 5121.5-2008 Methods for chemical analysis of copper and copper alloys - Part 5: Determination of nickel content
- GB/T 23607-2009 Methods for chemical analysis of copper anode mud—Determination of arsenic,bismuth,iron,nickel,lead,antimony,selenium and tellurium content—Inductively coupled plasma-atomic emission
- GB/T 32794-2016 Pig iron contenting nickel - Determination of nickel, cobalt, chromium, copper, phosphorus content - Inductively coupled plasma atomic emission spectrometry
- GB/T 43098.2-2023 Analysis of water treatment chemicals—Part 2: Determination of arsenic, mercury, cadmium, chromium, lead, nickel and copper—Inductively coupled plasma mass spectrometry(ICP-MS)
- GB/T 19225-2003 Determination of copper,cobalt,nickel and zinc in coal
- GB/T 32793-2016 Methods for chemical analysis of nickel sinter and nickel oxide - Determination of nickel, cobalt, copper, iron, zinc, manganese contents - Electrolytic gravimetric method and Inductively coupled plasma atomic emission spectrometric method
- GB/T 8638.8-1988 Nickel base alloy powder; Determination of copper content; Neocuproine-chloroform extraction spectrophotometric method
- GB/T 27581-2011 Electromagnetic interference shielding film—Electroless copper plating solution—Method of determining concentration of Ni2+ and Cu2+
- GB/T 4375.12-1984 Methods for chemical analysis of gallium;The spectrochemical method for the determination of lead,copper,nickel,aluminum,indium and zinc content
- GB/T 5121.28-2010 Method for chemical analysis of copper and copper alloys - Part 28:Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,
- GB/T 3884.6-2000 Methods for chemical analysis of copper concentrates-Determination of lead,zinc,cadmium and nickel contents
- GB/T 15917.2-1995 Dysprosium and dysprosium oxide--Determination of copper, molybdenum, nickel and titanium contents--Inductively coupled plasma atomic emission spectrographic method
- 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、Mn、Pb、Ni
- GB/T 10267.6-1988 Method for analysis of calcium metal--The determination of iron, nickel, copper and manganese in calcium metal by atomic absorption spectrophotometry after extractive separation
- GB/T 3248-1982 Determining method of resistivity of copper, nickel and their alloys
Professional Standard - Aviation
- HB 5422.10-1989 Copper alloy chemical analysis method Diacetyl diacetyl oxime precipitation separation - EDTA volumetric determination of nickel content
- HB/Z 5088.6-1999 Analysis Method for Electronickelling Solution - Determination of Copper Content with Atomic Absorption Spectrometry Method
- HB 5220.19-1995 Method for chemical analysis of superalloys-Separation of copper-iron reagents and copper reagents-EDTA volumetric method for determination of aluminum content
- HB/Z 5089.1-2004 Methods for analysis of plating black nickel solutions
Professional Standard - Non-ferrous Metal
- YS/T 745.10-2023 Methods for chemical analysis of copper anode?slime- Part 10:Determination of iridium?and rhodium?contents- Nickel sulphide fire assay -inductively coupled plasma mass spectrometry
- YS/T 325-1994 Nickel-copper alloy (NCu28-2.5-1.5) chemical analysis method
- YS/T 470.1-2004 Methods for chemical analysis of copper-beryllium alloys - Determination of beryllium,cobalt,nickel,titanium,iron,aluminum,silicon,lead,magnesium,contents - LCP-AES method
- YS/T 556.16-2011 Methods for chemical analysis of antimony concentrates Part 16:Determination of lead zinc copper cadmium nickel content -inductively coupled plasma atomic emission spectrometry
- YS/T 281.17-2011 Methods for chemical analysis of cobalt- Part 17:Determination of aluminum,manganese nickel copper zinc,cadmium tin arsenic antimony lead and bismuth content-Inductively coupled plasma mass spectrometery
- YS/T 539.8-2006 Nickel base alloy powder -- Determination of copper content -- Neocuproine-chloroform extraction spectrophotometric method
- YS/T 1006.2-2014 Methods for chemical analysis of lithium nickel cobalt manganese oxide—Part 2:Determination of lithium,nickel,cobalt,manganese,sodium,magnesium,aluminium,potassium,copper,calcium,iron,zinc and silicon content—Inductively coupled plasma atomic emission s
- YS/T 953.10-2014 Methods for chemical analysis of fire smelting nickel substrate material―Part 10: Determination of nickel,chromium,manganese,cobalt,copper and phosphorus contents―Inductively coupled plasma atomic emission spectrometric method
- YS/T 1013-2014 Method for chemical analysis of high purity tellurium—Determination of sodium,magnesium,aluminum,chromium,iron,nickel,copper,zinc,selenium,silver,tin,lead,bismuth contents—Inductively coupled plasma-mass spectrum method
- YS/T 325.2-2009 Methods for chemical analysis of nickel-copper alloy—Part 2:Determination of copper content—Electrolysis weight method
- YS/T 1086-2015 Test methods for chemical analysis of high purity antimony―Determination of magnesium,manganese,iron,nickel,copper,zinc,arsenic,selenium,silver,cadmium,gold,lead and bismuth content―Inductively coupled plasma-mass spectrum method
- YS/T 252.4-2007 Methods for chemical analysis of nickel matte-Determination of cobalt content-Sodium thiosulphate titrimetric method
- YS/T 325.1-2009 Methods for chemical analysis of nickel-copper alloy - Part 1: Determination of nickel content - The Na2EDTA titrimetric method
- YS/T 341.1-2006 Methods for chemical analysis of nickel concentrates - Determination of nickel content - Dimethylglyoxime precipitate separatioin - EDTA titration method
- YS/T 981.2-2014 Methods for chemical analysis of high purity indium—Determination of magnesium,aluminum,iron,nickel,copper,zinc,silver,cadmium,tin and lead—Inductively coupled plasma mass spectrometry
- YS/T 521.6-2009 Methods for chemical analysis of blister copper - Determination of arsenic,antimony,bismuth,lead,zinc and nickel contents - Inductively coupled plasma-atomic emission spectrometry
- YS/T 586-2006 Method for chemical analysis of copper and copper alloys - The inductively coupled plasma atomic emission spectrometric method
- YS/T 820.10-2012 Methods for chemical analysis of laterite nickel ores—Part 10:Determination of calcium,cobalt,copper,magnesium,manganese,nickel,phosphate and zinc content—Inductively coupled plasma atomic emission spectrometry
- YS/T 716.6-2009 Methods for chemical analysis of low grade blister - Part 6: Determination of arsenic,bismuth,nickel,lead,antimony,tin and zinc contents - Inductively coupled plasma-atomic emission sp
Taiwan Provincial Standard of the People's Republic of China
- CNS 12125-1987 Method of Chemical Analysis for Nickel -Copper Alloy
- CNS 11942-6-1999 Methods for determination of nickel in copper and copper alloys
- CNS 8977-1982 Recommended Practice for Copper - Nickel - Chromium Plating
- CNS 11942.6-1999 Methods for determination of nickel in copper and copper alloys
Guangdong Provincial Standard of the People's Republic of China
- DB44/T 1815-2016 Determination of Nickel Content by Chemical Analysis Method of Scrap Copper
国家质量监督检验检疫总局
- SN/T 4501.1-2016 Chemical analysis of nickel concentrate - Part 1: Determination of nickel, cobalt, copper, manganese, magnesium, calcium content-Inductively coupled plasma atomic emission spectrometry
Professional Standard - Commodity Inspection
- SN/T 2763.6-2014 Chemical analysis of nickel laterite ore - Part 6: Determination of nickel, calcium, titanium, magnesium, copper, cobalt, chromium, zinc and phosphorus content - Inductively coupled plasma atomic emission spectrometric method
Professional Standard - Machinery
- JB/T 9499.5-1999 Method for chemical analysis of constantan resistance alloy The EDTA titrimetric method for the determination of nickel content after separation copper by electrolysis
- JB/T 9552.8-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of magnesium by chromotrope 2R photometric method
- JB/T 9493.3-1999 Method for chemical analysis of manganin and novokostant resistance alloy The dimethylglyoxime gravimetric method for the determination of nickel content
- JB/T 7520.6-1994 Chemical Analysis Method for Phosphorus Copper Brazing Filler Metal - Determination of Nickel Content with Dimethylglyoxime Photometric Method
工业和信息化部/国家能源局
- JB/T 7520.6-2017 Methods for chemical analysis of copper base brazing filler metals. Part 6: Determination of nickel content
工业和信息化部
- YS/T 1569.5-2022 Methods for chemical analysis of lithium nickel manganese oxide-Part 5:Determination of chloride content-lon selective electrode method
- YS/T 1562.3-2022 Methods for chemical analysis of tungsten copper alloys- Part 3:Determination of cobalt,iron,nickel and zinc contents- Inductively coupled plasma atomic emission spectrometric method
- YS/T 1198-2017 Silver chemical analysis method Determination of copper, bismuth, iron, lead, antimony, palladium, selenium, tellurium, arsenic, cobalt, manganese, nickel, tin, zinc, cadmium by inductively coupled plasma mass spectrometry
- YS/T 1287-2018 Method for chemical analysis of high purity cadium- Determination of magnesium, aluminum, calium, chromium, iron nickel, copper, zinc, silver, tin, antimony, lead, bismuth contents- Inductively coupled plasma-mass spectrum method
- YS/T 1122.2-2016 Methods for chemical analysis of(hydro) chloroplatinic acid--Part 2: determination of palladium, rhodium, iridium, gold, silver, chromium, copper, iron, nickel, lead, tin contents--Inductivity coupled plasma mass spectrometry
- YS/T 1115.12-2016 Methods for chemical analysis of copper ores and tailings—Part 12: Determination of copper, lead, zinc, nickel, cobalt, cadmium, magnesium and manganese contents—Inductively coupled plasma atomic emission spectrometric method
- YS/T 1563.4-2022 Methods for chemical analysis of molybdenum rhenium alloy- Part 4: Determination of aluminum, calcium, copper, iron, magnesium, manganese, nickel, tin and tungsten contents- Inductively coupled plasma mass spectrometry
国家药监局
- YY/T 1823-2022 Cardiovascular implants-Standard test method for nickel ion release of nickel-titanium alloy
Group Standards of the People's Republic of China
- T/NXCL 006-2021 High-purity beryllium chemical analysis method Determination of iron, chromium, magnesium, copper, aluminum, manganese, nickel, zinc and silver content Inductively coupled plasma mass spectrometry
国家市场监督管理总局、中国国家标准化管理委员会
- GB/T 8647.11-2019 Methods for chemical analysis of nickel-Part 11:Determination of magnesium,aluminum,manganese,cobalt,copper,zinc,cadmium,tin,antimony,lead,bismuth contents-Inductively coupled plasma mass spectrometry
- GB/T 5121.28-2021 Methods for chemical analysis of copper and copper alloys—Part 28:Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry
- GB/T 37211.2-2018 Methods for chemical analysis of germanium metal—Part 2:Determination of aluminium,iron,copper,nickle,lead,cadmium,magnesium,cobalt,indium,zinc content—Inductively coupled plasma mass spectrometry method
Professional Standard - Rare Earth
- XB/T 618.1-2015 Chemical analysis methods of neodymium-magnesium alloy. Part 1: Determination of aluminum, copper, iron, nickel and silicon contents. Inductively coupled plasma atomic emission spectrometry
- XB/T 614.6-2011 Chemical analysis methods of gadolinium-magnesium alloy—Part 6:Determination of aluminum calcium copper iron nickle and silicon contents—Inductively coupled plasma atomic emission spectrometry
GOSTR
- GOST 6689.1-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of copper
- GOST 6689.2-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of nickel
- GOST 6689.9-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of cobalt
- GOST 6689.24-1992 Nickel, nickel and copper-nickel alloys. Method for the determination of calcium
- GOST 6689.18-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of sulphur
- GOST 6689.12-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of magnesium
- GOST 6689.17-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of bismuth
- GOST 6689.4-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of zinc
- GOST 6689.19-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of phosphorus
- GOST 6689.22-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of tin
- GOST 6689.13-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of arsenic
- GOST 6689.11-1992 Nickel, nickel and copper-nickel alloys. Method for the determination of tungsten
- GOST 6689.20-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of lead
- GOST 6689.14-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of chromium
- GOST 6689.8-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of aluminium
- GOST 6689.7-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of silicon
- GOST 6689.10-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of carbon
- GOST 6689.6-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of manganese
- GOST 6689.21-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of titanium
- GOST 6689.5-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of iron
- GOST 6689.15-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of antimony
- GOST 6689.3-1992 Nickel, nickel and copper-nickel alloys. Method for the determination of nickel and cobalt sum
- GOST 6689.16-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of zinc, cadmium, lead, bismuth and tin
Korean Agency for Technology and Standards (KATS)
- KS D 1962-2011 Methods for chemical analysis of cupro-nickel and nickel silver
- KS D 2605-2003 METHODS FOR CHEMICAL ANALYSIS OF NICKEL-COPPER ALLOY
- KS D 2605-1993 Methods for chemical analysis of nickel-copper alloy
- KS D 1963-2019 Methods for chemical analysis of copper nickel resistance material
- KS D 1897-2016 Methods for determination of nickel in copper and copper alloys
- KS D 1897-2021 Methods for determination of nickel in copper and copper alloys
- KS D 1962-1993 Methods for chemical analysis of cupro-nickel and nickel silver
- KS D 1897-1993 Methods for determination of nickel in copper and copper alloys
- KS D 1897-2016(2021) Methods for determination of nickel in copper and copper alloys
- KS D 1897-2011 Methods for determination of nickel in copper and copper alloys
- KS D 1963-2009 Methods for chemical analysis of copper nickel resistance material
- KS D 1963-2009(2019) Methods for chemical analysis of copper nickel resistance material
- KS D ISO 13898-2-2010(2020) Steel and iron-Determination of nickel, copper and cobalt contents-Inductively coupled plasma atomic emission spectrometric method-Part 2:Determination of nickel content
- KS D ISO 13898-3-2010(2020) Steel and iron-Determination of nickel, copper and cobalt contents-Inductively coupled plasma atomic emission spectrometric method-Part 3:Determination of copper content
- KS D ISO 4742-2003(2018) Copper alloys-Determination of nickel content-Gravimetric method
- KS D ISO 4743-2002(2012) Copper alloys-Determination of nickel content-Titrimetric method
- KS D 2605-1993(1998) METHODS FOR CHEMICAL ANALYSIS OF NICKEL-COPPER ALLOY
- KS D 1974-2003 Methods for determination of copper innickel materials for electron tubes
- KS D 1962-2003(2006) Methods for chemical analysis of cupro-nickel and nickel silver
- KS D 9506-1978 TESTING METHODS FOR NICKEL AND Chromium PLATING ON COPPER ALLOYS
- KS D ISO 13898-4-2010(2020) Steel and iron-Determination of nickel, copper and cobalt contents-Inductively coupled plasma atomic emission spectrometric method-Part 4:Determination of cobalt content
- KS D ISO 13898-2-2020 Steel and iron-Determination of nickel, copper and cobalt contents-Inductively coupled plasma atomic emission spectrometric method-Part 2:Determination of nickel content
American Society for Testing and Materials (ASTM)
- ASTM E75-76(2004) Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys
- ASTM E76-88(1998) Standard Test Methods for Chemical Analysis of Nickel-Copper Alloys (Withdrawn 2003)
Japanese Industrial Standards Committee (JISC)
- JIS H 1271:1962 Methods for chemical analysis of nickel-copper alloy
- JIS H 1413:1996 Methods of chemical analysis for copper nickel resistance material
- JIS H 1056:1997 Methods for determination of nickel in copper and copper alloys
- JIS H 1272:1998 Methods for determination of copper in nickel and nickel alloys
- JIS H 1056:2003 Methods for determination of nickel in copper and copper alloys
- JIS H 1272:1988 Methods for determination of copper in nickel and nickel alloy castings
- JIS H 1056 AMD 1:2013 Methods for determination of nickel in copper and copper alloys (Amendment 1)
RU-GOST R
- GOST 13047.10-2014 Nickel. Cobalt. Methods for determination of copper
- GOST 15934.13-1980 Copper concentrates. Method for the determination of nickel
- GOST 1953.5-1979 Tin bronze. Methods for the determination of nickel
- GOST 15027.5-1977 Non-tin bronze. Methods for the determination of nickel
- GOST 6689.23-1980 Nickel and copper-nickel alloys. Method for atomic-absorption determination of magnesium, nickel, cobalt, lead, manganese, aluminium, iron chromium, zinc, copper and titanium
- GOST 13938.6-1978 Copper. Methods for the determination of nickel / Note: To be replaced by GOST 31382 (2009).
- GOST 13047.10-2002 Nickel. Cobalt. Methods for determination of copper
- GOST 13047.10-1981 Nickel. Method for the determination of lead
IN-BIS
- IS 6517 Pt.1-1972 Methods for chemical analysis of copper master alloys Part Ⅰ Copper-nickel alloys
YU-JUS
- JUS C.A1.177-1984 Mothods for Chemical analysis of copper and copper alloys. Spectrophotometric determination of nickel in copper and copper alloys
- JUS C.A1.611-1979 Methods for chemical analysis of copper and copper alloys. Determination of nickel by atomic absorpfion
British Standards Institution (BSI)
- BS 6721-8:1989 Sampling and analysis of copper and copper alloys. Method for determination of nickel in copper alloys: titrimetric method
- BS 1748 Pts.1-5:1961 Methods for the analysis of copper alloys - Methods for the determination of copper, lead, iron, aluminium and nickel in copper alloys
- BS 6721-7:1989 Sampling and analysis of copper and copper alloys. Method for determination of nickel in copper alloys: gravimetric method
- BS 1748-6:1960 Methods for the analysis of copper alloys - Method for the determination of tin in copper alloys (nickel coil reduction method)
- BS 6200-3.40.2:1997 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Multi-element methods. Determination of nickel, copper and cobalt contents by inductively coupled plasma atomic emission spectrometric method. Determination of nickel c...
- BS 6200-3.40.3:1997 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Multi-element methods. Determination of nickel, copper and cobalt contents by inductively coupled plasma atomic emission spectrometric method. Determination of copper c...
AR-IRAM
- IRAM 640-1952 Chemical analysis methods for copper-nickel alloys and copper-nickel-zinc alloys
TR-TSE
- TS 3295-1979 METHODS FOR THE CHEMICAL ANALYSIS FOR NICKEL DETERMINATION OF COPPER CONTENT
KR-KS
- KS D ISO 4742-2003(2023) Copper alloys-Determination of nickel content-Gravimetric method
- KS D ISO TS 18223-2023 Nickel alloys — Determination of Nickel content — Inductively coupled plasma atomic emission spectrometric method
GSO
- GSO ISO 13898-2:2013 Steel and iron -- Determination of nickel, copper and cobalt contents -- Inductively coupled plasma atomic emission spectrometric method -- Part 2: Determination of nickel content
- DL/T 867-2023 Analytical methods for arsenic, cadmium, chromium, copper, nickel, lead and zinc in fly ash
- BH GSO ISO 13898-2:2016 Steel and iron -- Determination of nickel, copper and cobalt contents -- Inductively coupled plasma atomic emission spectrometric method -- Part 2: Determination of nickel content
United States Navy
- NAVY MIL-F-24032 A-1989 FLASK, SEPARATOR, 3000 PSI, K-MONEL
IT-UNI
- UNI 3364-1953 Chemical analysis methods of metallic materials. Determination of nickel in copper and copper alloys. Gravimetric analysis
- UNI 3673-1955 Chemical analysis methods of metallic materials. Determination of copper in nickel. electrolysis
- UNI 3365-1953 Chemical analysis methods of metallic materials. Determination of nickel in copper alloys. electrolysis
German Institute for Standardization
- DIN 50506:1973-10 Chemical analysis of copper and copper alloys; photometric determination of nickel in copper alloys containing 2,5 % of nickel at maximum
AT-ON
- ONORM M 3407-1985 Wrought copper alloys; copper- nickel-zinc-alloys (nickel-silver); chemical composition
Association Francaise de Normalisation
- NF A06-750:2013 Analyse chimique du cuivre et des alliages de cuivre - Détermination du nickel - Méthode gravimétrique
CZ-CSN
- CSN 42 0621 Cast.38-1980 Chemical analysis of non-ferrous metals and alloys. Copper. Determination of nickel by the photometric method
- CSN ISO 4742:1992 Copper alloys - Determination of nickel content - Gravimetric method
- CSN 44 1695-1988 Chemical analysis of tetrahedrite. Determination of nickel
SCC
- BS DD 95-2:1984 Analysis of higher purity copper cathode Cu-CATH-1-Method for determination of chromium, cobalt, iron, nickel and zinc by discrete volume nebulization atomic absorption spectrophotometry
- SPC GB/T 37211.2-2018 Methods for chemical analysis of germanium metal -- Part 2:Determination of aluminium,iron,copper,nickle,lead,cadmium,magnesium,cobalt,indium,zinc content -- Inductively coupled plasma mass spectrometry method (TEXT OF DOCUMENT IS IN CHINESE)
Determination methods for chromium, cadmium, zinc, nickel, iron, copper, lead,Determination method of nickel copper arsenic cadmium lead