GB/T — National Recommended
Found: 35162 — page 191 of 733
Valid
GB/T 5859-2023 — Rolling bearings—Self-aligning thrust roller bearings—Boundary dimensions
National·Recommended
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$140.0015 pages
Valid
GB/T 5905.1-2023 — Cranes—Inspection and test code—Part 1:General principle
National·Recommended
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$155.0015 pages
Valid
GB/T 5972-2023 — Cranes - Wire ropes - Care and maintenance, inspection and discard
National·Recommended
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$680.0053 pages
Valid
GB/T 5989-2023 — Refractory products - Determination of refractoriness under load(differential method with rising temperature)
National·Recommended
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$215.00PDF
Valid
GB/T 600-2023 — General specifications for marine piping valves and fittings
National·Recommended
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$590.0033 pages
Valid
GB/T 6027-2023 — n-Butanol for industrial use
National·Recommended
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$230.0015 pages
Valid
GB/T 603-2023 — Chemical reagent - Preparations of reagent solutions for use in test methods
National·Recommended
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$425.0024 pages
Valid
GB/T 6097-2023 — Sampling method for testing of cotton fibers
National·Recommended
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$150.0010 pages
Valid
GB/T 6138-2023 — Subland twist drills for holes prior to tapping screw threads
National·Recommended
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$150.00PDF
Valid
GB/T 6150.1-2023 — Methods for chemical analysis of tungsten concentrates—Part 1: Determination of tungsten trioxide content—Ammonium tungstate igniting gravimetric method
National·Recommended
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$185.0015 pages
Valid
GB/T 6150.10-2023 — Methods for chemical analysis of tungsten concentrates—Part 10: Determination of lead content—Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry
National·Recommended
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$215.0015 pages
Valid
GB/T 6150.12-2023 — Methods for chemical analysis of tungsten concentrates—Part 12: Determination of silicon dioxide content—Silicomolybdenum blue spectrophotometry and gravimetry
National·Recommended
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$215.0015 pages
Valid
GB/T 6150.15-2023 — Methods for chemical analysis of tungsten concentrates—Part 15: Determination of bismuth content—Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry
National·Recommended
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$215.0015 pages
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GB/T 6150.18-2023 — Methods for chemical analysis of tungsten concentrates一Part 18: Determination of barium content一Inductively coupled plasma atomic emission spectrometry
National·Recommended
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$155.0015 pages
Valid
GB/T 6150.3-2023 — Methods for chemical analysis of tungsten concentrates—Part 3: Determination of phosphorus content—The phosphorus molybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry
National·Recommended
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$250.0015 pages
Valid
GB/T 6150.4-2023 — Methods for chemical analysis of tungsten concentrates—Part 4: Determination of sulfur content—High frequency-infrared absorption method and combustion-iodometric method
National·Recommended
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$215.0015 pages
Valid
GB/T 6150.6-2023 — Methods for chemical analysis of tungsten concentrates—Part 6: Determination of moisture content—Gravimetric method
National·Recommended
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$155.0015 pages
Valid
GB/T 6150.8-2023 — Methods for chemical analysis of tungsten concentrates—Part 8: Determination of molybdenum content—Thiocyante spectrophotometry method
National·Recommended
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$155.0015 pages
Valid
GB/T 6324.12-2023 — Test method of organic chemical products—Part 12: Determination of trace mercury in organic liquid products—Atomic fluorescence spectrometric method
National·Recommended
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$150.0015 pages
Valid
GB/T 6346.14-2023 — Fixed capacitors for use in electronic equipment - Part 14: Sectional specification--Fixed capacitors for electromagnetic interference suppression and connection to the supply mains
National·Recommended
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$860.00PDF
Valid
GB/T 6439-2023 — Determination of water-soluble chlorides in feeds
National·Recommended
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$230.0020 pages
Valid
GB/T 6451-2023 — Technical parameters and requirements for oil-immersed power transformers
National·Recommended
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$1,689.0073 pages
Valid
GB/T 6472-2023 — Vertical internal broaching machines - Testing of the accuracy
National·Recommended
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$295.00PDF
Valid
GB/T 6473-2023 — Vertical surface broaching machines - Testing of the accuracy
National·Recommended
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$110.00PDF
Valid
GB/T 649-2023 — Chemical reagent—Potassium bromide
National·Recommended
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$155.0015 pages
Valid
GB/T 6609.25-2023 — Chemical analysis methods and determination of physical performance of alumina - Part 25: Method for the determination of tapped and untapped density
National·Recommended
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$155.00PDF
Valid
GB/T 6609.27-2023 — Chemical analysis methods and determination of physical performance of alumina - Part 27: Particle size analysis - Sieves method
National·Recommended
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$215.0017 pages
Valid
GB/T 6609.35-2023 — Chemical analysis methods and determination of physical performance of alumina - Part 35: Determination of specific surface area - Nitrogen adsorption method
National·Recommended
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$215.0024 pages
Valid
GB/T 6616-2023 — Test method for resistivity of semiconductor wafers and sheet resistance of semiconductor films—Noncontact eddy-current gauge
National·Recommended
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$215.0015 pages
Valid
GB/T 667-2023 — Chemical reagent—Zinc nitrate hexahydrate
National·Recommended
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$155.0015 pages
Valid
GB/T 6683.3-2023 — Petroleum and related products - Precision of measurement methods and results - Part 3: Monitoring and verification of published precision data in relation to methods of test
National·Recommended
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$245.00PDF
Valid
GB/T 669-2023 — Chemical reagent—Strontium nitrate
National·Recommended
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$155.0015 pages
Valid
GB/T 6730.51-2023 — Iron ores—Determination of carbon content in carbonate—The caustic asbestos absorption gravimetric method
National·Recommended
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$215.0015 pages
Valid
GB/T 6730.84-2023 — Iron ores - Determination of total rare earth content - Inductively coupled plasma atomic emission spectrometry
National·Recommended
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$245.0017 pages
Valid
GB/T 6730.85-2023 — Iron ores - Preparation and certification of certified reference materials for use in chemical analysis
National·Recommended
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$305.00PDF
Valid
GB/T 6730.86-2023 — Iron ores - Determination of radionuclides - Inductively coupled plasma mass spectrometry
National·Recommended
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$230.0030 pages
Valid
GB/T 6730.87-2023 — Iron ores - Determination of total iron and other multi-element content - Wavelength dispersive X-ray fluorescence spectrometry (cobalt internal standard method)
National·Recommended
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$485.0032 pages
Valid
GB/T 678-2023 — Chemical reagent - Ethanol
National·Recommended
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$155.00PDF
Valid
GB/T 6803-2023 — Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels
National·Recommended
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$305.0017 pages
Valid
GB/T 684-2023 — Chemical reagent - Toluene
National·Recommended
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$155.00PDF
Valid
GB/T 686-2023 — Chemical reagent - Acetone
National·Recommended
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$155.00PDF
Valid
GB/T 6881-2023 — Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms
National·Recommended
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$890.00PDF
Valid
GB/T 6892-2023 — Wrought aluminium and aluminium alloy extruded profiles for general engineering
National·Recommended
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$605.0037 pages
Valid
GB/T 6913-2023 — Analysis of water used in boiler and cooling system - Determination of phosphate
National·Recommended
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$170.0018 pages
Valid
GB/T 6963-2023 — Quantities, units and symbols of fishing gear and materials for fishing gear
National·Recommended
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$245.0015 pages
Valid
GB/T 6974.5-2023 — Cranes - Vocabulary - Part 5: Bridge and gantry cranes
National·Recommended
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$590.0034 pages
Valid
GB/T 70.3-2023 — Hexagon socket countersunk head screws with reduced loadability
National·Recommended
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$275.0024 pages
Valid
GB/T 7025.1-2023 — Lifts - Main specifications and the dimensions, arrangements for its cars, wells and machine rooms - Part 1: Lifts of classes I, II, III, VI
National·Recommended
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$515.00PDF