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Database: 365,228(8 Aug 2026)
  1. HOME
  2. Standards for Molecular weight difference 30 grade two

Molecular weight difference 30 grade two

Molecular weight difference 30 grade two, Total:189 items.

The international standard classification for "Molecular weight difference 30 grade two" includes: Special screw threads , Plant growing , Farming and forestry in general , Fruits and derived products , Geology. Meteorology. Hydrology , Chemical analysis of metals , Ferroalloys , Other standards related to nuclear energy , Chemical analysis .

The Chinese standard classification for "Molecular weight difference 30 grade two" includes: Basic standards and general methods , Seed, seedling, seedling nursery , Seed and seeding , Standardization, quality management , Special electronic technology material , Economic forest and byproduct , Meteorology , Melon, fruit and vegetable planting and product , Semimetal and semiconductor material analysis method , Iron alloy , Accelerator for agriculture and industry , Basic standards and general methods .

Chongqing Provincial Standard of the People's Republic of China

Group Standards of the People's Republic of China

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

  • GB/T 26422-2010 Classification of Azadirachta indica seed quality
  • GB 6142-1985 Qualities grading of main cultivated grasses seeds
  • GB/T 11446.6-2013 Test method for SiO2 in electronic grade water by spectrophotometer
  • GB/T 11446.6-1997 Test method for SiO2 in electronic grade water by spectrophotometer
  • GB 6143-1985 Qualities grading of main cultivated artemisia sphaerocephala and kochia prostrata seeds
  • GB 6141-2008 Quality grading of legume seeds
  • GB 6142-2008 Quality grading of the grass seeds
  • GB/T 13576.4-2008 Buttress threads with the flank angles of 3 and 30 degrees - Part 4: Tolerances
  • GB 7908-1999 Classification of forest tree seed quality
  • GB 6141-1985 Qualities grading of main cultivated legume seeds
  • GB/T 26614-2011 Quality grading of the Chinese ephedra(Ephedra L.) seeds
  • GB/T 20453-2006 Quality grades on products of persimmon
  • GB/T 20453-2022 Quality grades of products for persimmon
  • GB/T 32281-2015 Test method for measuring oxygen, carbon, boron and phosphorus in solar silicon wafers and feedstock by secondary ion mass spectrometry
  • GB/T 26615-2011 Quality grading of the princes-feather(Amaranthus hypochondriacus L.) seeds
  • GB/T 31158-2014 Ionospheric total electron content(TEC) disturbance classification
  • GB/T 24869-2010 Quality grading and testing for main sandy forage seed

Liaoning Provincial Standard of the People's Republic of China

Inner Mongolia Provincial Standard of the People's Republic of China

Shandong Provincial Standard of the People's Republic of China

Shanxi Provincial Standard of the People's Republic of China

Hunan Provincial Standard of the People's Republic of China

Professional Standard - Agriculture

Qinghai Provincial Standard of the People's Republic of China

Guangdong Provincial Standard of the People's Republic of China

Hebei Provincial Standard of the People's Republic of China

Guangxi Provincial Standard of the People's Republic of China

Xinjiang Provincial Standard of the People's Republic of China

  • DB65/T 3009-2009 Quality grading of the Chinese ephedra(EphedraL.)seeds
  • DB65/T 3010-2009 Quality grading of the princes.feather(Amaranthus hypochondriacus L.)seeds
  • DB65/T 2604-2006 Seed qualieg grade scale of Galega orientalis Lam.cv Xinyin No.1

Ningxia Provincial Standard of the People's Republic of China

Sichuan Provincial Standard of the People's Republic of China

  • DB51/T 2522-2018 Inspection Technology and Quality Grading of Indigo indigo Seeds

Professional Standard - Electron

  • SJ 2803-1987 Method for determination of trace carbon dioxide in electronic grade gases--Pre-cut hydrogen flame ionzation detector method
  • SJ 2804.2-1987 Method for determination of trace Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part two)
  • SJ 2802-1987 Method for determination of trace Carbon dioxide in electronic grade gases--Hydrogen flame ionzation detertor method
  • SJ/Z 9109.2-1987 Thermocouples--Part 2: Tolerances

Professional Standard - Ferrous Metallurgy

  • YB/T 4248-2011 Vanadium pentoxid — Determination of vanadium fraoxide —Difference method

Yunnan Provincial Standard of the People's Republic of China

Hubei Provincial Standard of the People's Republic of China

  • DB42/T 1179-2016 Quality Grading of Peaches Peaches Seeds in Chinese Medicinal Materials
  • DB42/ 123-2002 Quality grading of main cultivated forage seeds

Jilin Provincial Standard of the People's Republic of China

Henan Provincial Standard of the People's Republic of China

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

  • GJB 1965-1994 Determination of molecular weight and molecular weight distribution of hydroxyl-terminated polybutadiene by gel permeation chromatography

Heilongjiang Provincial Standard of the People's Republic of China

农业农村部

  • NY/T 366-2020 Technical specification of quality evaluation for seed grader

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

  • GB/T 34128-2017 15 MeV～30 MeV variable energy high intensity proton cyclotron

Zhejiang Provincial Standard of the People's Republic of China

Shanghai Provincial Standard of the People's Republic of China

  • DB31/T 127-1994 Standards for evaluating the quality of automobile secondary maintenance

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 40129-2021 Surface chemical analysis—Secondary ion mass spectrometry—Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer

Gansu Provincial Standard of the People's Republic of China

Shaanxi Provincial Standard of the People's Republic of China

  • DB/6100 B21 023-1988 Seed quality grading standard of Brassica napus cytoplasmic male sterile "three lines" and its hybrid "Qinyou No.2"

Professional Standard - Energy

  • NB/T 11251-2023 Cultivation techniques and quality grading of Litsea cubebaseedlings for energy-used

Professional Standard - Geology

  • DZ/T 0064.30-2021 Methods for analysis of groundwater quality- Part 30: Determination of lithium content- Flame atomic absorption spectrophotometry

Professional Standard - Commodity Inspection

  • SN/T 4244-2015 Determination of chloride in ethylene glycol,diethylene glycol and triethylene

International Organization for Standardization (ISO)

  • ISO 2349:1973 Rolling bearings — Tapered roller bearings — Sub-units — Tolerances — Metric series, normal tolerance class and tolerance class 6 — Inch series, tolerance class 4 (normal tolerance class)
  • ISO 578:1973 Rolling bearings — Tapered roller bearings — Inch series — Tolerance classes 4 (normal tolerances), 3, 0 and 00
  • ISO 4292:1985 Methods for the assessment of departure from roundness; Measurement by two- and three-point methods
  • ISO 8300:1987 Determination of plutonium content in plutonium dioxide (PuO2) of nuclear grade quality; Gravimetric method

Association Francaise de Normalisation

  • NF M60-404:1998 Determination of plutonium content in plutonium dioxide (PuO2) of nuclear grade quality. Gravimetric method.
  • NF C83-112:1988 Harmonized system of quality assessment for electronic components. Sectional specification. Blank detail specification. Tantalum capacitors. Specifications CECC 30 200,CECC 30 201,CECC 30 202.
  • NF A08-405:1974 Analyse chimique du plomb - Dosage du bismuth - Méthode par absorption atomique (teneurs comprises entre 3 et 30 grammes par tonne)

SCC

  • MIL MIL-R-44386-1989 RATION LIGHTWEIGHT, 30-DAY, ASSEMBLY OF (NO S/S DOCUMENT)
  • CAN/CSA C61000-4-30-2010(R2014) Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods (Adopted IEC 61000-4-30:2008, second edition, 2008-10) | Compatibilite electromagnetique (CEM) - Partie 4-30 : Techniques d'ess...
  • MIL MIL-M-55164/30B-1990 MARKER STRIPS, FOR CLASS 38TB TERMINAL BOARDS (SUPERSEDING MIL-M-55164/30A) (S/S BY A-A-59125/30)
  • VDI/VDE 3513 BLATT 2-2008 Variable area flowmeter — Error limits G of the device
  • AENOR UNE 26092-2:1954 CYLINDRICAL RIBBED WITH CURVED FLANKS FOR AUTOVEHICLES. PRESSURE ANGLE 30 DEGREES. TOLERANCES OF MEASUREMENTS
  • 07/30161347 DC BS EN 60034-30. Rotating electrical machines. Part 30. Efficiency classes of single-speed three-phase cage induction motors
  • DANSK DS/EN ISO 9702:1998 Plastics - Amine epoxide hardeners - Determination of primary, secondary and tertiary amine group nitrogen content
  • DIN CLC IEC/TS 60034-30-2:2024 Rotating electrical machines - Part 30-2: Efficiency classes of variable speed AC motors (IE-code) (IEC/TS 60034-30-2:2016); German version CLC IEC/TS 60034-30-2:2021

RU-GOST R

  • GOST 24969-1981 Gauges for checking 30° involute splined joints. Tolerances

Society of Motion Picture and Television Engineers (SMPTE)

YU-JUS

  • JUS N.R1.420-1979 Voltage reference diodes and voltage regulator diodes. Measuring methods

GM Europe

  • GME QK 000521-1983 Polyethylenterephthalat (PETP )mit 30 Massenanteil in % Glasfasern Polyethylene Terephthalate (PETP) with 30 % by Mass Glass Fibre German
  • GME QK 000473-1983 Polybutylenterephthalat mit 30 Massenanteil in % Glasfasern Polybutylene Terephthalate with 30 % by Mass Glass Fibre German
  • GME QK 000607-1984 Polybutylenterephthalat (PBTP)mit 30 Massenanteil in % Glasfasern Polybutyleneterephthalate (PBTP) with 30 % by Mass Glass Fibres German
  • GME QK 000607-2011 Polybutylene terephthalate (PBTP) glass fiber wt% 30 (Rev. 2; English/German)

Japanese Industrial Standards Committee (JISC)

  • JIS A 1417:1994 Method for field measurement of sound pressure level difference
  • JIS B 0401-2:1998 ISO system of limits and fits -- Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts

Korean Agency for Technology and Standards (KATS)

  • KS B ISO 9123-2023 Measurement of liquid flow in open channels－Stage-fall-discharge relationships
  • KS M ISO 11357-4:2012 Plastics-Differential scanning calorimetry(DSC)-Part 4:Determination of specific heat capacity
  • KS M ISO 11357-4:2016 Plastics－Differential scanning calorimetry(DSC)－Part 4：Determination of specific heat capacity
  • KS B ISO 4292:2004 Methods for the assessment of departure from roundness-Measurement by two-and three-point methods
  • KS C 1214-2010 Static meters for active/reactive energy(class 0.2, 0.5, 1.0, 2.0 for active energy and class 2.0, 3.0 for reactive energy)
  • KS D 1951-1999(2006) Method for chemical analysis of oxygen－Free copper products for electron tubes
  • KS B ISO 4292:2014 Methods for the assessment of departure from roundness — Measurement by two-and three-point methods

AENOR

  • UNE 40206:2003 Textile machinery. Cones for cross winding. Dimensions, tolerances and designation of cones with half angle 3 grades 30 minutes.

American National Standards Institute （ANSI)

Defense Logistics Agency

CZ-CSN

  • CSN 35 8576-1966 Methods of measurement of television picture tubes gradation
  • CSN ISO 9061:1992 Acid-grade and ceramic-grade fluorspar - Determination of iron content - 1,10-Phenantroline spectrometric method
  • CSN 99 6311-1990 Metal volume measures. Secondary standards. General technical requirements

U.S. Military Regulations and Norms

Canadian Standards Association (CSA)

  • CAN/CSA-C61000-4-30-2010 Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods (Second Edition)

American Gear Manufacturers Association

  • AGMA 2009-B01-2001 Bevel Gear Classification, Tolerances, and Measuring Methods Errata: October 2001

US-FCR

CN-STDBOOK

  • 图书 A-4102 Evaluation of Measurement Error and Uncertainty (Second Edition)

U.S. Environmental Protection Agency (U.S. EPA)

HU-MSZT

British Standards Institution (BSI)

  • BS ISO 20351:2017 Fine ceramics (advanced ceramics, advanced technical ceramics). Absolute measurement of internal quantum efficiency of phosphors for white light emitting diodes using an integrating sphere
  • BS EN 120002:1988 Specification for harmonized system of quality assessment for electronic components - Blank detail specification: infrared emitting diodes, infrared emitting diode arrays
  • BS 4478:1969 Methods of measurement of intermodulation products in electronic tubes or valves intended for use in colour television transposers
  • BS ISO 13084:2018 Surface chemical analysis. Secondary ion mass spectrometry. Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer
  • 22/30450606 DC BS EN IEC 60034-30-3. Rotating electrical machines - Part 30-3. Efficiency classes of high voltage AC motors (IE code)

GB-REG

German Institute for Standardization

  • DIN 5687-1:1996 Round steel link chains - Part 1: Grade 5, medium tolerance, tested
  • DIN EN 61000-4-30:2009 Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods (IEC 61000-4-30:2008); German version EN 61000-4-30:2009
  • DIN EN 61000-4-30:2016 Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods (IEC 61000-4-30:2015); German version EN 61000-4-30:2015

ES-AENOR

  • UNE 84-012-1987 Sodium lauryl sulfate content of 30% in cosmetic raw materials

IN-BIS

  • IS 6794-1972 Specifications for Lauryl Gallate Food Grade
  • IS 1069-1993 Quality tolerances for water for storage batteries. Specification (Second Revision)

ISA - International Society of Automation

ZA-SANS

RO-ASRO

International Electrotechnical Commission (IEC)

  • IEC 2/1741/CD:2014 IEC/TS 60034-30-2: Rotating electrical machines - Part 30-2: Efficiency classes of variable speed AC motors (IE-code)

GSO

  • GSO ISO 13084:2013 Surface chemical analysis -- Secondary-ion mass spectrometry -- Calibration of the mass scale for a time-of-flight secondary-ion mass spectrometer
  • BH GSO ISO 13084:2016 Surface chemical analysis -- Secondary-ion mass spectrometry -- Calibration of the mass scale for a time-of-flight secondary-ion mass spectrometer

SE-SIS

Underwriters Laboratories (UL)

  • UL 60079-30-1 (ND)-2017 National Differences For UL 60079-30-1 Explosive Atmospheres – Part 30-1: Electrical Resistance Trace Heating – General and Testing Requirements (First Edition)

American Society for Testing and Materials (ASTM)

  • ASTM E722-04e2 Standard Practice for Characterizing Neutron Energy Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for Radiation-Hardness Testing of Electronics
  • ASTM E722-09 Standard Practice for Characterizing Neutron Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for Radiation-Hardness Testing of Electronics
  • ASTM E722-94(2002) Standard Practice for Characterizing Neutron Energy Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for Radiation-Hardness Testing of Electronics

International Truck and Engine Corporation (ITEC)

Molecular weight difference 30,Molecular weight difference 30 grade two

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