Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

Column purity

Column purity, Total:225 items.

The international standard classification for "Column purity" includes: Gas and steam turbines, Steam engines , Paper and board , Pulps , Gases for industrial application , Laboratory ware and related apparatus , Temperature-measuring instruments , Chemical analysis , Carbon materials , Biology. Botany. Zoology .

The Chinese standard classification for "Column purity" includes: Steam turbine and its auxiliary equipment , Paper pulp and paperboard , Industrial gas and chemical gas , Temperature and pressure instrument , Pharmaceutical processing machinery and equipment , Lathe , Spacecraft power system , Chemical Measurement , Technical management , Graphite material .


General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

National Metrological Technical Specifications of the People's Republic of China

  • JJF 1961-2022 Metrological Technical Specification for Purity Assessment of Certified Reference Materials―High Purity Metal Certified Reference Materials
  • JJF 1855-2020 Metrological Technical Specification for Purity Assessment of Certified Reference Materials—Organic Purity Certified Reference Materials

Taiwan Provincial Standard of the People's Republic of China

Group Standards of the People's Republic of China

未注明发布机构

Professional Standard - Machinery

Military Standard of the People's Republic of China-General Armament Department

Professional Standard - Aerospace

  • QJ 2838.1-1996 Analysis Method for Methyl Hydrazine Purity and Water - Methyl Hydrazine Purity (Potassium Iodate Method)

National Metrological Verification Regulations of the People's Republic of China

Professional Standard - Electron

  • SJ 20516-1995 Analytical method of the purities for electrode-posited gold coating

Professional Standard - Building Materials

国家市场监督管理总局、中国国家标准化管理委员会

Anhui Provincial Standard of the People's Republic of China

  • DB34/T 924-2009 Colorimetric method for the determination of the purity of sesame oil

American Society for Testing and Materials (ASTM)

RU-GOST R

CZ-CSN

Indonesia Standards

  • SNI 13-3613-1994 Pure gold, Test method of purity by atomic absorption spectrophotometer apparatus
  • SNI 13-3612-1994 Pure platinum test method of purity by atomic absorption spectrophotometer apparatus
  • SNI 13-3611-1994 Test method for purity of refined silver by atomic absorption spectrophotometer apparatus

SCC

Association Francaise de Normalisation

KR-KS

IPC - Association Connecting Electronics Industries

International Organization for Standardization (ISO)

  • ISO 19229:2015 Gas analysis - Purity analysis and the treatment of purity data
  • ISO 19229:2019 Gas analysis — Purity analysis and the treatment of purity data
  • ISO 6246:2017 Petroleum products - Gum content of fuels - Jet evaporation method
  • ISO 6246:2017/Amd 1:2019 Petroleum products — Gum content of fuels — Jet evaporation method — Amendment 1: Purity requirement for n-heptane
  • ISO 9202:1991 Jewellery; fineness of precious metal alloys
  • ISO 9202:2014 Jewellery - Fineness of precious metal alloys

British Standards Institution (BSI)

GSO

Korean Agency for Technology and Standards (KATS)

Japanese Industrial Standards Committee (JISC)

U.S. Air Force

ET-QSAE

Society of Automotive Engineers (SAE)

RO-ASRO

United States Navy

HU-MSZT

GOST

German Institute for Standardization

American National Standards Institute (ANSI)

Universal Oil Products Company (UOP)

  • UOP 720-2008 Impurities in, and Purity of, High Purity p-Xylene by GC

American Society of Mechanical Engineers (ASME)

VN-TCVN

AR-IRAM

International Electrotechnical Commission (IEC)

PL-PKN

IEC - International Electrotechnical Commission

ES-AENOR

  • UNE 74-020-1991 Acoustics. Standard reference zero for the calibration of pure tone air conduction audiometers

Danish Standards Foundation

Standard Association of Australia (SAA)

PT-IPQ

  • NP 166-1958 Commercial calcium carbide. Acetylene purity

CEN - European Committee for Standardization

  • EN ISO 9202:2019 Jewellery and precious metals - Fineness of precious metal alloys

European Committee for Standardization (CEN)

  • EN 29202:1992 Jewellery - Fineness of Precious Metal Alloys (ISO 9202 : 1991)

GM Europe

  • GME GMI L-1-15-2007 Steering Column Stiffness (English/German; This specification may be applied only for current projects incl. Global Epsilon e (37##). It is Superceded for all future projects and replaced by GMW14216.)

ESDU - Engineering Sciences Data Unit

CH-SNV

SAE - SAE International