China National Standards

China carbonate Industry Standards English PDF List


  •  China "carbonate" Industry Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    HS/T 76-2023 Verification method for properties of calcium carbonate powder {译}
    碳酸钙粉体属性的验证方法
    China Customs Industry Standards
    carbonate

    English PDF
    YY/T 1913-2023 Method for determination of 2,2-bis(4-hydroxyphenyl)propane (bisphenol A) residue in medical polycarbonate materials {译}
    医用聚碳酸酯材料中2,2-二(4-羟基苯基)丙烷(双酚A)残留量测定方法
    China Pharmaceutics Industry Standards
    carbonate

    English PDF
    HG/T 4520—2023 Industrial cobalt carbonate {译}
    工业碳酸钴
    China Chemistry Industry Standards
    carbonate

    English PDF
    YS/T 1574-2022 Tetraammine platinum(II) bicarbonate {译}
    二碳酸氢根四氨合铂(II)
    China Non-ferrous Metal Industry Standards
    carbonate

    English PDF
    YS/T 1552-2022 Crude Lithium carbonate {译}
    粗碳酸锂
    China Non-ferrous Metal Industry Standards
    carbonate

    English PDF
    HG/T 6121-2022 Green Design Product Evaluation Technical Specification Barium carbonate {译}
    绿色设计产品评价技术规范 碳酸钡
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 6119-2022 Green Design Product Evaluation Technical Specification Sodium Percarbonate {译}
    绿色设计产品评价技术规范 过氧碳酸钠
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 6068-2022 Sports non-slip basic magnesium carbonate paste {译}
    运动防滑碱式碳酸镁膏
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 6067-2022 Sports non-slip basic magnesium carbonate block {译}
    运动防滑碱式碳酸镁块
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 2503-2022 polycarbonate resin {译}
    聚碳酸酯树脂
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 5991-2021 Green Factory Evaluation Requirements for Polycarbonate Industry {译}
    聚碳酸酯行业绿色工厂评价要求
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 5978-2021 Technical Specifications for Evaluation of Green Design Products Sodium carbonate (Soda Ash) {译}
    绿色设计产品评价技术规范 碳酸钠(纯碱)
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 5974-2021 Evaluation requirements for green factories in the sodium carbonate (soda ash) industry {译}
    碳酸钠(纯碱)行业绿色工厂评价要求
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 5787-2021 Boron trifluoride dimethyl carbonate complex {译}
    三氟化硼碳酸二甲酯络合物
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 5786-2021 Propylene carbonate for industrial use {译}
    工业用碳酸丙烯酯
    China Chemistry Industry Standards
    carbonate

    English PDF
    YS/T 546-2021 High Purity Lithium carbonate{译} {译}
    高纯碳酸锂
    China Non-ferrous Metal Industry Standards
    carbonate

    English PDF
    HG/T 5920-2021 Crude manganese carbonate{译} {译}
    粗碳酸锰
    China Chemistry Industry Standards
    carbonate

    English PDF
    SY/T 7621-2021 Technical Specification for Compiling Development Plan for carbonate Fracture-Cave Reservoir{译} {译}
    碳酸盐岩缝洞型油藏开发方案编制技术规范
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    HG/T 4696-2020 Industrial basic nickel carbonate {译}
    工业碱式碳酸镍
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 4519-2020 Industrial basic cobalt carbonate {译}
    工业碱式碳酸钴
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 5741-2020 Crude Nickel carbonate {译}
    粗碳酸镍
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 5740-2020 Crude cobalt carbonate {译}
    粗碳酸钴
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 5735-2020 Nickel Cobalt Manganese carbonate {译}
    碳酸镍钴锰
    China Chemistry Industry Standards
    carbonate

    English PDF
    HG/T 5160-2017 (Industrial di - tert - butyl dicarbonate)
    工业用二碳酸二叔丁酯
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 5158-2017 (Industrial methyl ethyl carbonate)
    工业用碳酸甲乙酯
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 5157-2017 (Industrial use of diethyl carbonate)
    工业用碳酸二乙酯
    China Chemical Industry Standards
    carbonate

    English PDF
    SY/T 7362-2017 (Technical specification for evaluation of marine carbonate zone)
    海相碳酸盐岩油气区带评价技术规范
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    SY/T 7314-2016 (Preparation and Test Procedure of carbonate Micro - area)
    碳酸盐岩微区样品制备及测试规程
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    NB/SH/T 0933-2016 (Determination of the content of orthostructured low carbonates in Fischer - Tropsch synthetic oil by liquid - liquid extraction - ion chromatography)
    费托合成油中正构低碳酸含量的测定 液液萃取-离子色谱法
    China Energy industry Standards
    carbonate

    English PDF
    HG/T 2523-2016 (Industrial basic zinc carbonate)
    工业碱式碳酸锌
    China Chemical Industry Standards
    carbonate

    English PDF
    SJ/T 11635-2016 (Determination of the electronics industry with the developer carbonate ions automatic potentiometric titration)
    电子工业用显影液中碳酸根离子的测定 自动电位滴定法
    China Electronics Standards
    carbonate

    English PDF
    HG/T 4885-2015 The quota and calculation method of energy consumption per unit products of calcium carbonate precipitagted for industrial use
    工业沉淀碳酸钙 单位产品能耗限额及计算方法
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4835-2015 Basic lead carbonate
    碱式碳酸铅
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4825-2015 Basic cupric carbonate for industrial use
    工业碱式碳酸铜
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 3791-2015 Suspension poly (vinyl chloride) resins via vinyl chloride and nano-calcium carbonate in situ polymerization
    氯乙烯-纳米碳酸钙 原位聚合悬浮法聚氯乙烯树脂
    China Chemical Industry Standards
    carbonate

    English PDF
    DL/T 1431-2015 (Coal (fly ash, slag) Determination of carbonate carbon dioxide hydrochloric acid decomposition - coulometric titration)
    煤(飞灰、渣)中碳酸盐二氧化碳的测定 盐酸分解—库仑滴定法
    China Electricity & Power Standards
    carbonate

    English PDF
    HG/T 4790-2014 Fluoroethylene carbonate
    氟代碳酸乙烯酯
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4696-2014 Basic nickel carbonate for industrial use
    工业碱式碳酸镍
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4695-2014 High purity barium carbonate for industrial use
    工业高纯碳酸钡
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 3785-2014 Zirconium carbonate for industrial use
    工业碳酸锆
    China Chemical Industry Standards
    carbonate

    English PDF
    SY/T 6992-2014 Specification of well-logging data processing and interpretation for carbonate formation
    碳酸盐岩地层测井资料处理与解释规范
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    HJ 704-2014 Soil quality-Determinationofavailablephosphorus. Sodium hydrogen carbonate solutionMoSbantispectrophotometric method
    土壤 有效磷的测定 碳酸氢钠浸提-钼锑抗分光光度法
    China Environmental Protection Industry Standards
    carbonate

    English PDF
    QB/T 4657-2014 l-Menthol ethylene glycol carbonate
    l-薄荷醇乙二醇碳酸酯
    China Light Industry Standards
    carbonate

    English PDF
    QB/T 4642-2014 (-)-Menthol l-and 2-propylene glycol carbonate
    l-薄荷醇1,2-丙二醇碳酸酯
    China Light Industry Standards
    carbonate

    English PDF
    HG/T 4544-2013 Method for the recovery of manganese carbonate from liquid waste of 1, 4-dihydroxy benzene production
    对苯二酚生产废液回收再利用生产碳酸锰的方法
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4541-2013 Water treatment chemicals. Determination of scale inhibition performance. Limited carbonate method
    水处理剂 阻垢性能的测定 极限碳酸盐法
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4528-2013 Heavy calcium carbonate for tooth-paste use
    牙膏用重质碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4527-2013 Calcium carbonate in slurry and paste form
    浆状和膏状碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4520-2013 Cobalt carbonate for industrial use
    工业碳酸钴
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4519-2013 Basic cobaltous carbonate
    碱式碳酸钴
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4508-2013 High purity strontium carbonate
    高纯碳酸锶
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 3249.4-2013 Heavy calcium carbonate for rubber industrial use
    橡胶工业用重质碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 3249.3-2013 Heavy calcium carbonate for plastic industrial use
    塑料工业用重质碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 3249.2-2013 Heavy calcium carbonate for paint and coating industrial use
    涂料工业用重质碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 3249.1-2013 Heavy calcium carbonate for paper industrial use
    造纸工业用重质碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 2764-2013 Sodium percarbonate for industrial use
    工业过氧碳酸钠
    China Chemical Industry Standards
    carbonate

    English PDF
    SN/T 3652-2013 Food contact materials. Polymers. Determination of diphenyl carbonate in food simulants. High performance liquid chromatography(HPLC)
    食品接触材料 高分子材料 食品模拟物中碳酸二苯酯的测定 高效液相色谱法
    China Import Export Inspection Standards
    carbonate

    English PDF
    HG/T 4314-2012 Non-phosphoric sodium percarbonate for industrial use
    工业无磷过氧碳酸钠
    China Chemical Industry Standards
    carbonate

    English PDF
    DL/T 1151.16-2012 Analytical methods of scale and corrosion products in power plants. Part 16: Test of alkali, carbonate, bicarbonate in water-soluble scaling
    火力发电厂垢和腐蚀产物分析方法 第16部分:水溶性垢中碱、碳酸盐及重碳酸盐的测定
    China Electricity & Power Standards
    carbonate

    English PDF
    DL/T 1151.20-2012 Analytical methods of scale and corrosion products in power plants. Part 20: Determination of carbon dioxide in carbonate scale
    火力发电厂垢和腐蚀产物分析方法 第20部分:碳酸盐垢中二氧化碳的测定
    China Electricity & Power Standards
    carbonate

    English PDF
    QB/T 2317-2012 Oral care and cleansing products. Crude calcium carbonate for toothpaste
    口腔清洁护理用品 牙膏用天然碳酸钙
    China Light Industry Standards
    carbonate

    English PDF
    JG/T 347-2012 Polycarbonate solid sheet
    聚碳酸酯(pc)实心板
    China Building & Construction Standards
    carbonate

    English PDF
    JG/T 116-2012 Polycarbonate multiwall sheet
    聚碳酸酯(pc)中空板
    China Building & Construction Standards
    carbonate

    English PDF
    SY/T 6867-2012 Test method of core carbonate content
    岩石碳酸盐含量测定方法
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    SY/T 5821-2012 Water shutoff technology with organic plugging agent for carbonate reservoir
    碳酸盐岩油藏有机堵剂堵水工艺作法
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    HG/T 4218-2011 Modified ammonium bicarbonate granular fertilizer
    改性碳酸氢铵颗粒肥
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4204-2011 Little arsenic calcium carbonate
    低砷碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4203-2011 Manganese carbonate for industrial use
    工业碳酸锰
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 4196-2011 Chemical reagent. Sodium carbonate decahydrate
    化学试剂 十水合碳酸钠(碳酸钠)
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 2836-2011 Manganese carbonate for soft ferrite use
    软磁铁氧体用碳酸锰
    China Chemical Industry Standards
    carbonate

    English PDF
    SN/T 3056.9-2011 Determination of essential parameters of chemical raw materials for use in fireworks and firecrackers. Par 9:Sodium hydrogen carbonate
    烟花爆竹用化工原材料关键指标的测定 第9部分:碳酸氢钠
    China Import Export Inspection Standards
    carbonate

    English PDF
    SN/T 3056.4-2011 Determination of essential parameers of chemical raw materials for use in fireworks and firecrackers. Part 4: Basic cupric carbonate
    烟花爆竹用化工原材料关键指标的测定 第4部分:碱式碳酸铜
    China Import Export Inspection Standards
    carbonate

    English PDF
    SN/T 3056.10-2011 Determination of essential parameters of chemical raw materials for use in fireworks and firecrackers. Part 10: Strontium carbonate
    烟花爆竹用化工原材料关键指标的测定 第10部分:碳酸锶
    China Import Export Inspection Standards
    carbonate

    English PDF
    SN/T 2890-2011 Food contact materials for export. Polymers. Determination of triethylamine and tributylamine in polycarbonate resin and its products. Gas chromatography
    出口食品接触材料 高分子材料 聚碳酸酯树脂及其制品中三乙胺及三正丁胺的测定 气相色谱法
    China Import Export Inspection Standards
    carbonate

    English PDF
    SN/T 2813-2011 Food contact materials for export. Polymers. Determination of the extractives from the articles of melamine-formaldehyde,nylon and polycarbonate
    食品接触材料 高分子材料 三聚氰胺-甲醛树脂、尼龙树脂和聚碳酸酯树脂中提取物的测定
    China Import Export Inspection Standards
    carbonate

    English PDF
    SN/T 2779-2011 Methods for sampling and sample preparation of sodium carbonate in bulk for export
    出口散装纯碱的取制样方法
    China Import Export Inspection Standards
    carbonate

    English PDF
    SY/T 6809-2010 Calibration method for carbonate analyser of rock
    岩石碳酸盐分析仪校准方法
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    YY/T 0806-2010 Polycarbonate material for manufacture of infusion, transfusion and injection equipments for medical use and other medical devices
    医用输液、输血、注射及其他医疗器械用聚碳酸酯专用料
    China Medicine & Medical Device Standards
    carbonate

    English PDF
    HG/T 2969-2010 Strontium carbonate for industrial use
    工业碳酸锶
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 2959-2010 Hydrated basic magnesium carbonate for industrial use
    工业水合碱式碳酸镁
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 2828-2010 Potassium bicarbonate for industrial use
    工业碳酸氢钾
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 2776-2010 Fine precipitated calcium carbonate and fine actived precipitated calcium carbonate for industrial use
    工业微细沉淀碳酸钙和工业微细活性沉淀碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 2226-2010 Ordinary precipitated calcium carbonate for industrial use
    普通工业沉淀碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 2522-2009 Heavy postassium carbonate for industrial use
    工业重质碳酸钾
    China Chemical Industry Standards
    carbonate

    English PDF
    SY/T 5579.3-2008 Reservoir description method. Part 3: carbonate buried hill reservoir
    油藏描述方法 第3部分:碳酸盐岩潜山油藏
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    SY/T 5238-2008 Analysis method for carbon and oxygen isotope in organic matter and carbonate
    有机物和碳酸盐岩碳、氧同位素分析方法
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    SN/T 2043-2008 Rules for inspection of nano-calcium carbonate
    纳米碳酸钙检验规程
    China Import Export Inspection Standards
    carbonate

    English PDF
    HG/T 3998-2008 Norm of water intake sodium carbonate
    纯碱取水定额
    China Chemical Industry Standards
    carbonate

    English PDF
    HG/T 3972-2007 Feed grade sodium bicarbonate
    饲料级 碳酸氢钠
    China Chemical Industry Standards
    carbonate

    English PDF
    SN/T 1891.8-2007 Hygienic standard for import and export microwave food containers and packaging materials. Part 8: Polycarbonate resin
    进出口微波食品包装容器及包装材料卫生标准 第8部分:聚碳酸酯树脂
    China Import Export Inspection Standards
    carbonate

    English PDF
    JC/T 1021.3-2007 Methods for chemical analysis of nonmetal mineral and rock. Part 3: Methods for chemical analysis of carbonate rock, mineral
    非金属矿物和岩石化学分析方法 第3部分 碳酸盐岩石、矿物化学分析方法
    China Building Materials Standards
    carbonate

    English PDF
    SN/T 1888.10-2007 Hygienic standard for export and import irradiated food containers and packaging materials. Part 10: Polycarbonate resin
    进出口辐照食品包装容器及材料卫生标准 第10部分:聚碳酸酯树脂
    China Import Export Inspection Standards
    carbonate

    English PDF
    QB/T 2811-2006 Ground calcium carbonate for paper
    造纸研磨碳酸钙
    China Light Industry Standards
    carbonate

    English PDF
    HG/T 2567-2006 Activated precipitated calcium carbonate for industrial use
    工业活性沉淀碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    DL/T 502.6-2006 Analytical methods of steam and water in power plants. Part 6: Determination of total carbonate
    火力发电厂水汽分析方法 第6部分:总碳酸盐的测定
    China Electricity & Power Standards
    carbonate

    English PDF
    SY/T 6009.6-2003 Test method of samples of geochemical exploration for oil and gas. Part 6: Determination of alterative carbonate (△C)
    油气化探试样测定方法 第6部分:蚀变碳酸盐(△C)测定
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    SY/T 5478-2003 The division of diagenetic stages in carbonate rocks
    碳酸盐岩成岩阶段划分
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    SY/T 6526-2002 Measuring method of dynamic reaction rate for hydrochloric acid with carbonate rock
    盐酸与碳酸盐岩动态反应速率测定方法
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    SJ 50972/3-2002 Capacitors, fixed, metallized polycarbonate film dielectric, DC, estabilshed reliabilty, type CLSK235, detail specification for
    clsk235型有可靠性指标的金属化聚碳酸酯薄膜介质直流固定电容器详细规范
    China Electronics Standards
    carbonate

    English PDF
    SY/T 5516-2000 Chemical analysis method for carbonate rocks
    碳酸盐岩化学分析方法
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    QB/T 2503-2000 (Non-carbonated beverage bottle filling and capping machine washed)
    不含气饮料冲瓶灌装拧盖机
    China Light Industry Standards
    carbonate

    English PDF
    HG 2940-2000 Feed grade light calcium carbonate
    饲料级.轻质碳酸钙
    China Chemical Industry Standards
    carbonate

    English PDF
    QB 2460-1999 (Polycarbonate (PC) drinking water tank)
    聚碳酸酯(PC)饮用水罐
    China Light Industry Standards
    carbonate

    English PDF
    QB 1413-1999 (Food additives. Biological calcium carbonate)
    食品添加剂.生物碳酸钙
    China Light Industry Standards
    carbonate

    English PDF
    HG/T 3020-1999 Polycarbonate (PC) moulding and extrusion materials. Designation system
    聚碳酸酯(PC)模塑和挤塑材料命名
    China Chemical Industry Standards
    carbonate

    English PDF
    SY/T 6299-1997 Core carbonate content analyser
    岩心碳酸盐含量分析仪
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    HG 2842-1997 Rare earths content and determination in ammonium bicarbonate-compound fertilizers (tentative)
    碳铵复混肥料中稀土元素的含量及测定(暂行)
    China Chemical Industry Standards
    carbonate

    English PDF
    SJ/T 10921-1996 Potassium silicate solution for use in electronic industry. Methods for determination of potassium carbonate
    电子工业用硅酸钾溶液中碳酸钾的测定方法
    China Electronics Standards
    carbonate

    English PDF
    HG 2790-1996 (Food additives. Magnesium carbonate)
    食品添加剂.碱式碳酸镁
    China Chemical Industry Standards
    carbonate

    English PDF
    HG 2788-1996 (Food additive. Peroxy carbonate)
    食品添加剂.过氧碳酸钠
    China Chemical Industry Standards
    carbonate

    English PDF
    SY/T 5725-1995 (Fine calcium carbonate drilling fluid)
    钻井液用超细碳酸钙
    China Oil & Gas Industry Standards
    carbonate

    English PDF
    QB 2142-1995 (carbonated beverage bottles)
    碳酸饮料玻璃瓶
    China Light Industry Standards
    carbonate

    English PDF
    SN/T 0480.13-1995 Method of analysis of baryte for export. Determination of alkali-soluble carbonate
    出口重晶石分析方法 碱溶性碳酸盐的测定
    China Import Export Inspection Standards
    carbonate

    English PDF
    QB/T 2115-1995 (Determination of carbonate content in detergents)
    洗涤剂中碳酸盐含量的测定
    China Light Industry Standards
    carbonate

    English PDF
    SJ 50972/1-1994 Detailed specifications for CLSK28 and CLSK29 fixed metalized polycarbonate film dielectric DC capacitors with reliability indexes
    有可靠性指标的clsk28和clsk29型金属化聚碳酸酯薄膜介质直流固定电容器详细规范
    China Electronics Standards
    carbonate

    English PDF
    SJ/T 10461-1993 Strontium carbonate for use in electronic glass
    电子玻璃用碳酸锶
    China Electronics Standards
    carbonate

    English PDF
    HG/T 2234-1991 (Determination of the viscosity of a dilute solution of polycarbonate)
    聚碳酸酯稀溶液粘数测定方法
    China Chemical Industry Standards
    carbonate

    English PDF
    SJ/T 10013-1991 Detailed specifications for electronic components - CLS21 fixed metalized polycarbonate film dielectric DC capacitors - Assessment level E (Applicable for certification)
    电子器件详细规范 cls21型金属化聚碳酸酯膜介质直流固定电容器 评定水平e(可供认证用)
    China Electronics Standards
    carbonate

    English PDF
    HG 29805-1991 (The overall energy consumption of sodium carbonate product calculation)
    碳酸钠产品综合能耗计算方法
    China Chemical Industry Standards
    carbonate

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