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Isotope measurement time

Isotope measurement time, Total:141 items.

The international standard classification for "Isotope measurement time" includes: Soil quality and pedology in general , Radiation protection , Measurement of volume, mass, density, viscosity , Clocks .

The Chinese standard classification for "Isotope measurement time" includes: Quantity and Unit , Soil and fertilizer in general , Material composition analysis instrument and environment detection instrument in general , Basic standard and general method , Horology .


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

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

  • GB/T 37848-2019 Determination of strontium isotopic ratios in aqueous solution
  • GB 3102.1-1993 Quantities and units of space and time
  • GB/T 3102.1-1993 Quantities and units of space and time
  • GB/T 42490-2023 Soil quality—Determination of total content and isotope ratio of organic carbon and nitrogen of soil and biological samples—Stable isotope ratio mass spectrometry
  • GB/T 17672-2025 Measurement methods for lead, strontium, and neodymium isotope analysis in rocks

Professional Standard - Geology

  • DZ/T 0184.8-1997 Determination of 40Ar -39 Ar isotope geological age and argon isotope ratio
  • DZ/T 0184.6-1997 Determination of samarium-neodymium isotope geological age and neodymium isotope ratio
  • DZ/T 0184.5-2024 Isotope analysis methods for geological samples. Part 5: Determination of isotope ages of rubidium-strontium systems and strontium isotope ratios of geological samples by thermal ionization mass spectrometry
  • DZ/T 0184.2-1997 Determination of the geological age of trace acorite uranium lead isotepe
  • DZ/T 0184.4-1997 Determination of rubidium-strontium isotope geological age and strontium isotope ratio in rock and mineral
  • DZ/T 0184.7-1997 Determination of potassium-argon isotope geological age
  • DZ/T 0184.9-2024 Isotope analysis methods for geological samples. Part 9: Determination of argon-argon isotope age and argon isotope ratio of geological samples. Furnace method
  • DZ/T 0184.22-1997 Determination of silicon isotopic composition
  • DZ/T 0184.12-1997 Determination of trace lead isotopic composition in rock and mineral
  • DZ/T 0184.4-2024 Isotope analysis methods for geological samples - Part 4: Determination of isotopic ages of samarium-neodymium system and neodymium isotope ratios of geological samples - Thermal ionization mass spectrometry

Taiwan Provincial Standard of the People's Republic of China

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

  • GJB 10188-2021 General specifications for isotope thermoelectric cells for space use
  • GJB 8791-2018 Mass spectrometric method for measuring abundances of lithium isotope

Group Standards of the People's Republic of China

  • T/NAIA 0208-2023 Determination of Stable Isotope Ratio of Carbon and Nitrogen in Lycium Barbarum by Stable Isotope Analyzer Method
  • T/CIMA 0138-2024 Test method for thermoelectric power generation device used in space isotope power supply

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

Professional Standard - Nuclear Industry

  • EJ/T 842-1994 Zinc Isotope Ratio and Zinc Content Measurement Double Dilution Mass Spectrometry

Professional Standard - Post and Telecommunication

Professional Standard - Light Industry

American Society for Testing and Materials (ASTM)

  • ASTM E2426-10(2019) Standard Practice for Pulse Counting System Dead Time Determination by Measuring Isotopic Ratios with SIMS
  • ASTM E2426-05 Standard Practice for Pulse Counting System Dead Time Determination by Measuring Isotopic Ratios with SIMS
  • ASTM E2426-10 Standard Practice for Pulse Counting System Dead Time Determination by Measuring Isotopic Ratios with SIMS
  • ASTM D6794-25 Standard Test Method for Measuring the Effect on Filterability of Engine Oils After Treatment with Various Amounts of Water and a Long (6 h) Heating Time
  • ASTM C1380-04 Standard Test Method for Determination of Uranium Content and Isotopic Composition by Isotope Dilution Mass Spectrometry
  • ASTM C1380-11 Standard Test Method for Determination of Uranium Content and Isotopic Composition by Isotope Dilution Mass Spectrometry
  • ASTM C1380-04(2011) Standard Test Method for Determination of Uranium Content and Isotopic Composition by Isotope Dilution Mass Spectrometry
  • ASTM C1380-97 Standard Test Method for Determination of Uranium Content and Isotopic Composition by Isotope Dilution Mass Spectrometry
  • ASTM D7219-08 Standard Specification for Isotropic and Near-isotropic Nuclear Graphites
  • ASTM D7219-05 Standard Specification for Isotropic and Near-isotropic Nuclear Graphites

Lithuanian Standards Office

  • LST ISO 80000-3:2006 Quantities and units - Part 3: Space and time (identical ISO 80000-3:2006)
  • LST L ENV 12141-2000 Fruit and vegetable juices - Determination of the stable oxygen isotope (18O/16O) of water from fruit juices - Method using isotope ratio mass spectrometry

Association Francaise de Normalisation

British Standards Institution (BSI)

Swedish Institute for Standards

Türk Standardları Enstitüsü

Indonesia Standards

GCC Standardization Organization

Yugoslav Association for Standardization

  • JUS A.A1.023-1980 Ouantities, units and symbols. Ouantities and units of space and time

Danish Standards Foundation

International Telecommunication Union (ITU)

  • ITU-T Y.1366-2020 Time and phase synchronization aspects of telecommunication networks
  • ITU-T G.8271/Y.1366-2016 Time and phase synchronization aspects of packet networks
  • ITU-T G.8271-2020 Time and phase synchronization aspects of telecommunication networks
  • ITU-T G.8271/Y.1366-2017 Time and phase synchronization aspects of telecommunication networks
  • ITU-T G.8271/Y.1366-2020 Time and phase synchronization aspects of telecommunication networks
  • ITU-T G.8271/Y.1366-2012 Time and phase synchronization aspects of packet networks
  • ITU-T G.8275.1/Y.1369.1-2014 Precision time protocol telecom profile for phase/time synchronization with full timing support from the network
  • ITU-T G.8275.1/Y.1369.1-2022 Precision time protocol telecom profile for phase/time synchronization with full timing support from the network
  • ITU-T G.8275.1/Y.1369.1-2020 Precision time protocol telecom profile for phase/time synchronization with full timing support from the network
  • ITU-T G.8275.2/Y.1369.2-2020 Precision time protocol telecom profile for time/phase synchronization with partial timing support from the network
  • ITU-T G.8275.2/Y.1369.2-2022 Precision time protocol telecom profile for phase/time synchronization with partial timing support from the network
  • ITU-T G.8275.1-2014 Precision time protocol telecom profile for phase/time synchronization with full timing support from the network (Study Group 15)
  • ITU-T Y.1369.2 AMD 3-2020 Precision time protocol telecom profile for phase/time synchronization with partial timing support from the network
  • ITU-T Y.1369.1 AMD 3-2020 Precision time protocol telecom profile for phase/time synchronization with full timing support from the network
  • ITU-T G.8275.2-2020 Precision time protocol telecom profile for phase/time synchronization with partial timing support from the network
  • ITU-T Y.1369.1-2020 Precision time protocol telecom profile for phase/time synchronization with full timing support from the network
  • ITU-T G.8275.1-2020 Precision time protocol telecom profile for phase/time synchronization with full timing support from the network
  • ITU-T G.8275.1 AMD 3-2020 Precision time protocol telecom profile for phase/time synchronization with full timing support from the network
  • ITU-T G.8275.2 AMD 3-2020 Precision time protocol telecom profile for phase/time synchronization with partial timing support from the network
  • ITU-T Y.1369.2-2020 Precision time protocol telecom profile for phase/time synchronization with partial timing support from the network
  • ITU-R TF.538-2-1992 Frequency and Time (Phase) Instability Measures Section 7D - Characterization of Sources and Time Scales Formation
  • ITU-T G.8275.1/Y.1369.1-2016 Precision time protocol telecom profile for phase/time synchronization with full timing support from the network
  • ITU-T G.8275.2/Y.1369.2-2016 Precision time protocol telecom profile for time/phase synchronization with partial timing support from the network
  • ITU-T Y.1366-2012 Time and phase synchronization aspects of packet networks (Study Group 15)
  • ITU-T G.8271-2012 Time and phase synchronization aspects of packet networks (Study Group 15)
  • ITU-T G.8271-2016 Time and phase synchronization aspects of packet networks (Study Group 15)
  • ITU-T G.8271-2017 Time and phase synchronization aspects of telecommunication networks (Study Group 15)
  • ITU-T Y.1366-2017 Time and phase synchronization aspects of telecommunication networks (Study Group 15)
  • ITU-T Y.1366-2016 Time and phase synchronization aspects of packet networks (Study Group 15)

Ente Nazionale Italiano di Unificazione

International Organization for Standardization (ISO)

Standard Association of Australia (SAA)

  • AS 2900.1:1986 Quantities, units, and symbols - Quantities and units of space and time

National Standardisation Body (ASRO)

Magyar Szabványügyi Testület

German Institute for Standardization

  • DIN 19015:1983-06 Timing in between-the-lens-shutters; technical terms, exposure times, synchro contacts, measuring devices
  • DIN EN ISO 80000-3:2021-12 Quantities and units - Part 3: Space and time (ISO 80000-3:2019); German version EN ISO 80000-3:2020
  • DIN 19015:1983 Timing in between-the-lens-shutters; technical terms, exposure times, synchro contacts, measuring devices
  • DIN 25489:1989-05 Determination of uranium and plutonium content and isotopic composition; mass spectrometric method
  • DIN V ENV 13070 DIN:1998-07 Determination of Stable Carbon Isotope Ratios (^{13}C/^12C) in Fruit and Vegetable Juices in Pulp Using Isotope Mass Spectrometry

Thai Industrial Standards Institute (TISI)

Spanish Association for Standardization (UNE)

Japanese Industrial Standards Committee (JISC)

Standards Norway

  • NS-ISO 31-1:1992 Quantities and units — Part 1: Space and time
  • NS-ISO 80000-3:2006 Quantities and units — Part 3: Space and time
  • NS-ENV 12141:1996 Fruit and vegetable juices — Determination of the stable oxygen isotope (18O/16O) of water from fruit juices — Method using isotope ratio mass spectrometry

European Committee for Standardization (CEN)

Associação Brasileira de Normas Técnicas

Comitato Elettrotecnico Italiano

Korean Agency for Technology and Standards (KATS)

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

Czech Standards Institute (UNMZ)

Kingdom of Bahrain Testing and Metrology Directorate

Bureau of Indian Standards

Gosstandart of Russia

  • GOST 23061-2012 Soils. Methods for radioisotope measurement of density and humidity

Institute of Electrical and Electronics Engineers (IEEE)

GM Europe

  • GME8748-2007 Messung der Nachhallzeit im Fahrzeug Reverberation Time Measurement in the Vehicle English/German; This specification may be applied only for current projects incl. Global Epsilon e (37

US Federal Contractor Registration (USFCR)