China Determination mercury Industry Standards English PDF List

China "Determination mercury" Industry Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
SN/T 5643.1-2023	Rapid detection method of chemical contaminants in exported food Part 1: Determination of arsenic, cadmium, mercury and lead content X-ray fluorescence spectrometry {译} 出口食品中化学污染物的快速检测方法第1部分：砷、镉、汞、铅含量的测定 X射线荧光光谱法	China Import&Export Inspection Industry Standards Determination mercury	English PDF
SN/T 5517-2023	Determination of methylmercury in exported aquatic products and their products Fully automatic methylmercury analyzer method {译} 出口水产品及其制品中甲基汞的测定全自动甲基汞分析仪法	China Import&Export Inspection Industry Standards Determination mercury	English PDF
NY/T 4363-2023	Determination of copper, zinc, arsenic, chromium, cadmium, lead and mercury in solid manure of livestock and poultry by inductively coupled plasma mass spectrometry {译} 畜禽固体粪污中铜、锌、砷、铬、镉、铅汞的测定电感耦合等离子体质谱法	China Agriculture Industry Standards Determination mercury	English PDF
HJ 1269-2022	Soil and Sediment Determination of Methylmercury and Ethylmercury Purge and Trap/Gas Chromatography-Cold Atomic Fluorescence Spectrometry {译} 土壤和沉积物甲基汞和乙基汞的测定吹扫捕集/气相色谱-冷原子荧光光谱法	China Environment Industry Standards Determination mercury	English PDF
HJ 1268-2022	Water quality - Determination of methylmercury and ethylmercury - liquid chromatography - atomic fluorescence method {译} 水质甲基汞和乙基汞的测定液相色谱-原子荧光法	China Environment Industry Standards Determination mercury	English PDF
NB/T 14008-2021	Determination of total pore size distribution of shale-mercury injection-adsorption combined method {译} 页岩全孔径分布的测定压汞-吸附联合法	China Energy Industry Standards Determination mercury	English PDF
NY/T 1978-2022	Determination of mercury, arsenic, cadmium, lead, chromium, nickel content in fertilizer {译} 肥料汞、砷、镉、铅、铬、镍含量的测定	China Agriculture Industry Standards Determination mercury	English PDF
SN/T 5306-2021	Determination of lead, arsenic, mercury, antimony and copper in naphtha by inductively coupled plasma mass spectrometry {译} 石脑油中铅、砷、汞、锑、铜的测定电感耦合等离子体质谱法	China Import&Export Inspection Industry Standards Determination mercury	English PDF
SN/T 4763.2-2021	Determination of Mercury Content in Coal Oxygen Bomb Combustion-Atomic Fluorescence Spectrometry{译} {译} 煤中汞含量的测定氧弹燃烧-原子荧光光谱法	China Import&Export Inspection Industry Standards Determination mercury	English PDF
NB/T 10763-2021	Determination of heavy metal mercury in solid biomass fuel-solid injection direct method{译} {译} 固体生物质燃料中重金属汞的测定固体进样直接法	China Energy Industry Standards Determination mercury	English PDF
SN/T 5266-2020	Determination of copper, iron, arsenic, zinc, cadmium, mercury and silver content in mixed lead-zinc ores Inductively coupled plasma emission spectrometry {译} 混合铅锌矿中铜、铁、砷、锌、镉、汞和银含量的测定电感耦合等离子体发射光谱法	China Import&Export Inspection Industry Standards Determination mercury	English PDF
SN/T 5255-2020	Determination of lead, cadmium, arsenic, mercury, copper, chromium, nickel, manganese, barium, selenium, zinc, tin, titanium, antimony, cobalt, aluminum, beryllium, vanadium, silver, molybdenum content in coal Inductively coupled plasma mass spectrometry {译} 煤中铅、镉、砷、汞、铜、铬、镍、锰、钡、硒、锌、锡、钛、锑、钴、铝、铍、钒、银、钼含量的测定电感耦合等离子体质谱法	China Import&Export Inspection Industry Standards Determination mercury	English PDF
YS/T 1047.13-2020	Methods for chemical analysis of copper magnetite - Part 13: Determination of mercury content - Direct determination by solid injection and cold atomic absorption spectrometry {译} 铜磁铁矿化学分析方法第13部分：汞含量的测定固体进样直接测定法和冷原子吸收光谱法	China Non-ferrous Metal Industry Standards Determination mercury	English PDF
NY/T 3789-2020	Determination of Mercury in Farmland Irrigation Water Catalytic Pyrolysis-Atomic Fluorescence Method {译} 农田灌溉水中汞的测定催化热解-原子荧光法	China Agriculture Industry Standards Determination mercury	English PDF
NY/T 3788-2020	Determination of Mercury in Farmland Soil Catalytic Pyrolysis-Atomic Fluorescence Method {译} 农田土壤中汞的测定催化热解-原子荧光法	China Agriculture Industry Standards Determination mercury	English PDF
SY/T 7321-2016	(Determination of mercury content in wellhead natural gas) 井口天然气中汞含量的测定差减法	China Oil & Gas Industry Standards Determination mercury	English PDF
DL/T 1656-2016	(Determination of Mercury in Fly Ash and Slag in Thermal Power Plant) 火电厂粉煤灰及炉渣中汞含量的测定	China Electricity & Power Standards Determination mercury	English PDF
SN/T 4369-2015	(Determination of microwave and export coal arsenic, mercury, lead, cadmium, chromium, beryllium digestion - inductively coupled plasma mass spectrometry) 进出口煤炭中砷、汞、铅、镉、铬、铍的测定微波消解-电感耦合等离子体质谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 4305-2015	(Determination of antimony trioxide export inductance lead, iron, copper, arsenic, selenium, bismuth, cadmium, mercury levels coupled plasma atomic emission spectrometry) 出口三氧化二锑中铅、铁、铜、砷、硒、铋、镉、汞含量的测定电感耦合等离子体原子发射光谱法	China Import Export Inspection Standards Determination mercury	English PDF
QB/T 4821-2015	Oral cavity nursing materials Determination of mercury in toothpastes 口腔清洁护理用品牙膏中汞含量的测定方法	China Light Industry Standards Determination mercury	English PDF
SN/T 4063-2014	(Determination of mercury in medicines vegetable export direct injection - cold vapor atomic absorption spectrometry) 出口植物性中药材中汞含量的测定直接进样-冷原子吸收光谱法	China Import Export Inspection Standards Determination mercury	English PDF
JC/T 2248-2014	Determination of potassium, magnesium, sodium, strontium, zinc, arsenic, cadmium, mercury, lead, fluorine and chlorine in hydroxyapatite ceramics 羟基磷灰石类陶瓷钾、镁、钠、锶、锌、砷、镉、汞、铅、氟、氯的测定	China Building Materials Standards Determination mercury	English PDF
HJ 702-2014	Solid Waste-Determination of Mercury, Arsenic, Selenium, Bismuth, Antimony. MicrowaveDissolution/AtomicFluorescence Spectrometry 固体废物汞、砷、硒、铋、锑的测定微波消解/原子荧光法	China Environmental Protection Industry Standards Determination mercury	English PDF
SN/T 3923-2014	Determination of cadmium, lead and mercury in wood-based products of import and export. Atomic absorption spectrometry method 进出口木制品中镉、铅、汞的测定原子吸收光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3917-2014	Determination of lead, cadmium, arsenic and mercury content in calcined magnesite and magnesite 轻烧镁（菱镁石）中铅、镉、砷、汞的测定	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3912.3-2014	(Determination of imported condensate mercury in direct injection method) 进口凝析油中汞含量的测定直接进样法	China Import Export Inspection Standards Determination mercury	English PDF
HJ 694-2014	Water Quality - Determination of Mercury, Arsenic, Selenium, Bismuth and Antimony - Atomic Fluorescence Spectrometry 水质汞、砷、硒、铋和锑的测定原子荧光法	China Environmental Protection Industry Standards Determination mercury	English PDF
SN/T 3873-2014	(Export of medicinal plants total mercury - Determination) 出口药用植物中总汞的测定	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3796-2014	Determination of acid soluble impurity elements (lead, cadmium, chromium, arsenic, mercury, copper, zinc, manganese, nickel, cobalt) in talc powder. Inductively coupled plasma mass spectrometry method (ICP-MS) 滑石粉中酸溶杂质元素（铅、镉、铬、砷、汞、铜、锌、锰、镍、钴）的测定电感耦合等离子体质谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3827-2014	(Import and export of lead in cosmetics; cadmium; arsenic; mercury; antimony; chromium; Nickel; barium; strontium content - Determination - Inductively coupled plasma atomic emission spectrometry) 进出口化妆品中铅、镉、砷、汞、锑、铬、镍、钡、锶含量的测定电感耦合等离子体原子发射光谱法	China Import Export Inspection Standards Determination mercury	English PDF
HJ 680-2013	Soil and sediment. Determination of mercury, arsenic, selenium, bismuth, antimony. Microwave dissolution/Atomic Fluorescence Spectrometry 土壤和沉积物汞、砷、硒、铋、锑的测定微波消解/原子荧光法	China Environmental Protection Industry Standards Determination mercury	English PDF
SN/T 2638.5-2013	Determination of arsenic andmercury content in manganese ore. Microwave digestion-atomic fluorescence spectrometry method 锰矿中砷、汞元素测定微波消解-原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 0393-2013	Determination of total mercury in seafood for exports 出口水产品中总汞含量检验方法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3605-2013	Determination of mercury content in liquid petroleum products. Direct injection method 液体石油产品汞含量的测定直接进样法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3521-2013	Simultaneous determination of arsenic and mercury content in coal. Hydride generation-atomic fluorescence spectrometry 进口煤炭中砷、汞含量的同时测定氢化物发生-原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3520-2013	Determination of mercury in rubber and rubber products. Atomic fluorescence spectrometric method 橡胶及其制品中汞含量的测定原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3511-2013	Determination of mercury in minerals. General rules of direct mercury determining with solid injection method 矿物中汞的测定固体进样直接测汞法通则	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3479-2013	Determination of mercury,arsenic,lead in cosmetics for import andexport. Atomic fluorescence spectrometric method 进出口化妆品中汞、砷、铅的测定方法原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2765.3-2013	Simultaneous determination of arsenic and mercury content in iron ores. Microwave-assisted digestion-atomic fluorescence spectrometry 铁矿石中砷、汞含量的同时测定微波消解-原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2765.2-2013	Determination of arsenic, chromium, cadimium, lead and mercury in iron ores. Inductively coupled plasma mass spectrometry(ICP-MS) 铁矿石中砷、铬、镉、铅、汞的测定电感耦合等离子体-质谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 0736.15-2013	Test method of import and export fertilizers. Part 15:Simultaneous determination of arsenic and mercury content by microwave-assisted digestion-atomic fluorescence spectrometry 进出口化肥检验方法第15部分：微波消解-原子荧光光谱法同时测定砷、汞含量	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3372-2012	Determination of lead,cadimium,chromium,Nickel,arsenic and mercury in organic-inorganic compound fertilizers. Inductively coupled plasma atomic emission spectrometry 有机-无机复混肥料中铅、镉、铬、镍、砷和汞的测定电感耦合等离子体原子发射光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3370-2012	Determination of arsenic,mercury in tungsten ore. Atomic fluorescence spectrometric method 钨矿中砷、汞含量的测定原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3366-2012	Determination of soluble mercury,arsenic,selenium,antimony in indoor decorating and refurbishing coatings. Atomic fluorescence spectrometric method 室内装饰装修用涂料中可溶性汞、砷、硒、锑的测定原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3323.4-2012	Mill scale. Part 4: Determination of arsenic and mercury. Atomic fluorescence spectrometric method 氧化铁皮第4部分：砷、汞元素测定原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3249.3-2012	Imitation jewelry & accessory. Part 3: Determination of antimony and mercury content. Atomic fluorescence spectrometric method 仿真饰品第3部分：锑、汞含量的测定原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3249.2-2012	Imitation jewelry and accessory. Part 2: Determination of lead,cadmium,barium,antimony and mercury. Inductively coupled plasma optic emission spectrometry method 仿真饰品第2部分：铅、镉、钡、锑、汞含量的测定电感耦合等离子体原子发射光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 0564.2-2012	Titanium dioxide. Part 2: Determination of lead,mercury and soluble arsenic content in 钛白粉第2部分：铅、汞和可溶砷含量的测定	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3117-2012	Determination of arsenic,antimony and mercury in leather. Atomic fluorescence spectrometry 皮革中砷、锑和汞的测定原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3106-2012	Determination of iron,lead,zinc,arsenic,cadmium,aluminum,calcium,magnesium,molybdenum,antimony and mercury in imported sintered copper material of coarse smelting. Inductively coupled plasma atomic emission spectrometry 进口粗炼含铜烧结物料中铁、铅、锌、砷、镉、铝、钙、镁、钼、锑、汞含量的测定　电感耦合等离子体原子发射光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 1031.1-2012	Chemical analysis of crude antimony trioxide for export. Part 1: Determination of mercury content 出口粗氧化锑化学分析方法第1部分：汞含量的测定	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3034-2011	Determination of inorganic mercury,methylmercury and ethylmercury in aquatic products for export. Liquid chromatogram-atomic fluorescence spectrometry(LC-AFS) 出口水产品中无机汞、甲基汞和乙基汞的测定液相色谱-原子荧光光谱联用（lc-afs）法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3010-2011	Determination of mercury in paint. Method of direct determining of mercury with solid and liquid injection 涂料中汞含量的测定固液进样直接测汞法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 3004-2011	Determination of mercury content in iron ores. Microwave digestion-cold atomic absorption spectro photometry method 铁矿中汞含量的测定微波消解-冷原子吸收分光光度法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 0448-2011	Determination of arsenic,lead,mercury,cadmium in foodstuffs. ICP-MS method 进出口食品中砷、汞、铅、镉的检测方法电感耦合等离子体质谱（icp-ms）法	China Import Export Inspection Standards Determination mercury	English PDF
HJ 597-2011	Water quality. Determination of total mercury. Cold atomic absorption spectrophotometry 水质总汞的测定冷原子吸收分光光度法	China Environmental Protection Industry Standards Determination mercury	English PDF
SN/T 2721-2010	Determination of arsenic and mercury in export-import ores. Atomic fluorescence spectrometric method 进出口矿产品中砷和汞的检测方法原子荧光光度法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2704.4-2010	Cutting fluid and machining process waste fluid. Part 4: Determination of mercury. Direct mercury determining method 切削液和机床排泄物第4部分：汞的测定测汞仪法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2680-2010	Determination of arsenic,mercury,cadmium,lead,bismuth in iron ores. Atomic fluorescence spectrometric method 铁矿石中砷、汞、镉、铅、铋含量的测定原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2003.6-2010	Determination of lead,mercury,cadmium and chromium in electrical and electronic equipment. Part 6: Qualitative screening by spark discharge emission spectrometry 电子电气产品中铅、汞、镉、铬的定性筛选方法第6部分：火花源发射光谱法	China Import Export Inspection Standards Determination mercury	English PDF
HJ 543-2009	Stationary source emission. Determination of mercury. Cold atomic absorption spectrophotometry 固定污染源废气汞的测定冷原子吸收分光光度法（暂行）	China Environmental Protection Industry Standards Determination mercury	English PDF
HJ 542-2009	Ambient air. Determination of mercury and its compounds. Cold atomic fluorescent spectrophotometry after sulfhydryl cotton preconcentraction 环境空气汞的测定巯基棉富集-冷原子荧光分光光度法（暂行）	China Environmental Protection Industry Standards Determination mercury	English PDF
SN/T 0736.12-2009	Chemical analysis of fertilizers for import and export-Determination of arsenic,chromium,cadimium,mercury and lead-Inductively coupled plasma mass spectrometry(ICP-MS) 进出口化肥检验方法电感耦合等离子体质谱法测定有害元素砷、铬、镉、汞、铅	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2208-2008	Determination of sodium,magnesium,aluminium,calcium,chromium,iron,nickel,copper,zinc,arsenic,strontium,molybdenum,cadmium,lead,mercury,selenium,in aquatic products. Microwave digestion. ICP/MS method 水产品中钠、镁、铝、钙、铬、铁、镍、铜、锌、砷、锶、钼、镉、铅、汞、硒的测定微波消解-电感耦合等离子体-质谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2186-2008	Determination of soluble lead,cadmium,chromium and mercury in paints. Inductively coupled plasma atomic emission spectrometry 涂料中可溶性铅、镉、铬和汞的测定电感耦合等离子体原子发射光谱法	China Import Export Inspection Standards Determination mercury	English PDF
QB/T 2303.9-2008	Paste coated paper separator for batteries. Part 9: Determination of mercury content 电池用浆层纸第9部分：含汞量的测定	China Light Industry Standards Determination mercury	English PDF
QB 2930.2-2008	Limits and determination method of certain toxic elements is printing ink Part 2: lead, mercury, cadmium, chromium(VI) 油墨中某些有害元素的限量及其测定方法第2部分:铅,汞,镉,六价铬	China Light Industry Standards Determination mercury	English PDF
SN/T 1910-2007	Determination of mercury ontent in paper used for cigarettes for import-export. Atomic fluorescence spectrometry 进出口卷烟纸中汞含量的测定原子荧光法	China Import Export Inspection Standards Determination mercury	English PDF
HJ/T 343-2007	Water quality. Determination of chloride-mercury nitrate titration 水质氯化物的测定硝酸汞滴定法(试行)	China Environmental Protection Industry Standards Determination mercury	English PDF
HJ/T 341-2007	Water quality. Determination of mercury-cold atomic fluorescent spectrophotometry 水质汞的测定冷原子荧光法(试行)	China Environmental Protection Industry Standards Determination mercury	English PDF
SN/T 2003.5-2006	Determination of lead,mercury,chromium,cadmium and bromine in electrical and electrical and electronic equipment. Part 5: Qualitative screening by energy dispersive X-ray fluorescence spectrometric method 电子电气产品中铅、汞、铬、镉和溴的测定第5部分:能量色散x射线荧光光谱定量筛选法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2003.4-2006	Determination of lead,mercury,chromium,cadmium and bromine in electrical and electrical and electronic equipment. Part 4: Qualitative screening by energy dispersive X-ray fluorescence spectrometric method 电子电气产品中铅、汞、铬、镉和溴的测定第4部分:能量色散x射线荧光光谱定性筛选法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2004.7-2006	Determination of mercury in electrical and electronic equipment. Part 7: Atomic fluorescence spectrometry 电子电气产品中铅、镉的测定第7部分:原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2004.6-2006	Determination of mercury in electrical and electronic equipment. Part 6: Cold vapor atomic absorption spectrometry 电子电气产品中汞的测定第6部分:冷原子吸收法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2004.5-2006	Determination of chromium,cadmium,mercury,lead and bromine in electrical and electrical and equipment. Part 5: Inductively coupled plasma mass spectrometric method 电子电气产品中铅、汞、镉、铬、溴的测定第5部分:电感耦合等离子体质谱法(icp-ms)	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2004.4-2006	Determination of Lead,Cadmium, Chromiun and Mercury in electrical and electronic equipment. Part 4: Inductively coupled plasma atomic emission spectrometric method 电子电气产品中铅、镉、铬、汞的测定笫4部分：电感耦合等离子体原子发射光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2003.3-2006	Determination of Lead, Mercury,Cadmium and Bromine in electrical and electronic equipment. Part 3: Qualitative screening by X-ray fluorescence spectrometric method 电子电气产品中铅、汞、镉、铬和溴的测定第3部分：x光射线荧光定量筛选法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 1634-2005	Determination of cadmium, chromium, lead and mercury in corrugated boards 瓦楞纸板中镉、铬、铅、汞的测定	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2004.1-2005	Determination of mercury in electrical and electronic products - Part 1: atomic fluorescence spectrometry 电子电气产品中汞的测定第1部分:原子荧光光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 2003.1-2005	Determination of lead, mercury, cadmium, chromium, and bromine in the electrical and electronic products - Part 1: X-ray fluorescence spectroscopy qualitative screening method 电子电气产品中铅、汞、镉、铬、溴的测定第1部分:x射线荧光光谱定性筛选法	China Import Export Inspection Standards Determination mercury	English PDF
SY/T 6009.7-2003	Test method of samples of geochemical exploration for oil and gas. Part 7: Determination of thermal released mercury 油气化探试样测定方法第7部分：热释汞测定	China Oil & Gas Industry Standards Determination mercury	English PDF
SN/T 1325.1-2003	Determination of mercury content of barites for import and export. Cold atomic absorption spectrometric method 进出口重晶石中汞含量的测定冷原子吸收光谱法	China Import Export Inspection Standards Determination mercury	English PDF
SN/T 0989-2001	Method for the determination of copper, lead, mercury and arsenic in traditional-prepared Chinese medicine for export. Atomic absorption spectrophotometer 出口中成药中铜、铅、汞、砷含量检验方法原子吸收分光光度法	China Import Export Inspection Standards Determination mercury	English PDF
HJ T 27-1999	Determination of Hydrogen Chloride in Exhaust Gas from Stationary Pollution Source Mercury Thiocyanate Spectrophotometry {译} 固定污染源排气中氯化氢的测定硫氰酸汞分光光度法	China Environment Industry Standards Determination mercury	English PDF
SJ 20719-1998	Method of determination X value for mercury cadmium telluride for use in X-ray fluorimetry 碲镉汞晶体x值的x-射线荧光法测定方法	China Electronics Standards Determination mercury	English PDF
SJ 20718-1998	Method of determination trace elements in mercury cadmium telluride crystal 碲镉汞晶体中痕量元素的测定方法	China Electronics Standards Determination mercury	English PDF
SN/T 0681-1997	Determination of mercury content in zinc concentrates for export 出口锌精矿中汞的测定	China Import Export Inspection Standards Determination mercury	English PDF

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