GB/T Standards
Found: 49235 — page 912 of 1026
Valid
GB/T 21174-2007 — Determination of beta-Lactams residues in animal derived food - Radio-receptor assay method
National·Recommended
Instant delivery (0–9 sec)
$105.0015 pages
Valid
GB/T 21179-2007 — Scraps of nickel and nickel alloy
National·Recommended
Instant delivery (0–9 sec)
$105.0015 pages
Valid
GB/T 21180-2007 — Scraps of tin and tin alloy
National·Recommended
Instant delivery (0–9 sec)
$105.0015 pages
Valid
GB/T 21184-2007 — Rubber compounding ingredients -- Sulfenamide accelerators -- Test methods
National·Recommended
Instant delivery (0–9 sec)
$165.007 pages
Valid
GB/T 21185-2007 — Information technology -- Office machines -- Method of specifying image reproduction of colour copying machines by analog test charts -- Realisation and application
National·Recommended
Instant delivery (0–9 sec)
$590.0047 pages
Valid
GB/T 21186-2007 — Fourier transform infrared spectrometer
National·Recommended
Instant delivery (0–9 sec)
$125.0015 pages
Valid
GB/T 21187-2007 — Atomic absorption spectrophotometer
National·Recommended
Instant delivery (0–9 sec)
$165.0015 pages
Valid
GB/T 21188-2007 — Measurement of gas flow by means of critical flow Venturi nozzles
National·Recommended
Instant delivery (0–9 sec)
$470.0035 pages
Valid
GB/T 21189-2007 — Verification of pendulum impact-testing machines used for Charpy, lzod and tensile impact-testing of plastics
National·Recommended
Instant delivery (0–9 sec)
$465.0031 pages
Valid
GB/T 21190-2007 — Paper, board and corrugated fibre board -- Description and calibration of compression-testing equipment
National·Recommended
Instant delivery (0–9 sec)
$105.005 pages
Valid
GB/T 21191-2007 — Atomic fluorescence spectrometer
National·Recommended
Instant delivery (0–9 sec)
$255.0015 pages
Valid
GB/T 21194-2007 — Generic reliability assurance requirements for optoelectronic devices used in telecommunications equipment
National·Recommended
Instant delivery (0–9 sec)
$205.0015 pages
Valid
GB/T 21195-2007 — The specifications of antenna for mobile communication indoor distributed system
National·Recommended
Instant delivery (0–9 sec)
$205.0015 pages
Valid
GB/T 21196.1-2007 — Textiles -- Determination of the abrasion resistance of fabrics by the Martindale method -- Part 1: Martindale abrasion testing apparatus
National·Recommended
Instant delivery (0–9 sec)
$85.001 pages
Valid
GB/T 21196.2-2007 — Textiles - Determination of the abrasion resistance of fabrics by the Martindale method - Part 2: Determination of specimen breakdown
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 21196.3-2007 — Textiles -- Determination of the abrasion resistance of fabrics by the Martindale method -- Part 3: Determination of mass loss
National·Recommended
Instant delivery (0–9 sec)
$85.005 pages
Valid
GB/T 21196.4-2007 — Textiles -- Determination of the abrasion resistance of fabrics by the Martindale method -- Part 4: Assessment of appearance change
National·Recommended
Instant delivery (0–9 sec)
$85.004 pages
Valid
GB/T 21198.1-2007 — Determination of precious metals in precious metals jewellery alloys -- Method using ICP spectrometry -- Part 1: Platinum jewellery alloys -- Determination of platinum -- Method using a solution with yttrium as internal standard element
National·Recommended
Instant delivery (0–9 sec)
$165.006 pages
Valid
GB/T 21198.2-2007 — Determination of precious metals in precious metals jewellery alloys -- Method using ICP spectrometry -- Part 2: Platinum jewellery alloys -- Determination of platinum -- Method using the intensity ratios of all minor constituents with reference to platin
National·Recommended
Instant delivery (0–9 sec)
$195.0010 pages
Valid
GB/T 21198.3-2007 — Determination of precious metals in precious metals jewellery alloys -- Method using ICP spectrometry -- Part 3: Palladium jewellery alloys -- Determination of palladium -- Method using a solution with yttrium as internal standard element
National·Recommended
Instant delivery (0–9 sec)
$165.006 pages
Valid
GB/T 21198.4-2007 — Determination of precious metals in precious metals jewellery alloys -- Method using ICP spectrometry -- Part 4: 999‰ precious metals jewellery alloys -- Determination of precious metals -- Difference method
National·Recommended
Instant delivery (0–9 sec)
$165.007 pages
Valid
GB/T 21198.5-2007 — Determination of precious metals in precious metals jewellery alloys -- Method using ICP spectrometry -- Part 5: 999‰ silver jewellery alloys -- Determination of silver -- Difference method
National·Recommended
Instant delivery (0–9 sec)
$165.006 pages
Valid
GB/T 21198.6-2007 — Determination of precious metals in precious metals jewellery alloys -- Method using ICP spectrometry -- Part 6: Difference method
National·Recommended
Instant delivery (0–9 sec)
$85.007 pages
Valid
GB/T 21201-2007 — Dry dual-component developer for laser printer
National·Recommended
Instant delivery (0–9 sec)
$205.009 pages
Valid
GB/T 21204.1-2007 — Multicore and symmetrical pair/quad cables for digital communications to be used in harsh environments -- Part 1: Generic specifications
National·Recommended
Instant delivery (0–9 sec)
$465.0034 pages
Valid
GB/T 21206-2007 — Characteristics of line post insulators
National·Recommended
Instant delivery (0–9 sec)
$195.0011 pages
Valid
GB/T 21207-2007 — Low-voltage switchgear and controlgear -- Device profiles for networked industrial devices -- Part 1: General rules for development of device profiles
National·Recommended
Instant delivery (0–9 sec)
$650.0066 pages
Valid
GB/T 21208-2007 — Low-voltage switchgear and controlgear -- Controllers for drivers of stationary fire pumps
National·Recommended
Instant delivery (0–9 sec)
$500.0039 pages
Valid
GB/T 21216-2007 — Insulating liquids -- Determination of the dielectric dissipation factor by measurement of the conductance and capacitance -- Test method
National·Recommended
Instant delivery (0–9 sec)
$185.008 pages
Valid
GB/T 21217.1-2007 — Corrugated pressboard and press paper for electrical purposes -- Part 1: Definitions designations and general requirements
National·Recommended
Instant delivery (0–9 sec)
$65.004 pages
Valid
GB/T 21222-2007 — Methods for the determination of the lightning impulse breakdown voltage of insulating liquids
National·Recommended
Instant delivery (0–9 sec)
$145.007 pages
Valid
GB/T 21223-2007 — Guide for the statistical analysis of ageing test data -- Part 1: Methods based on mean values of normally distributed test results
National·Recommended
Instant delivery (0–9 sec)
$195.0026 pages
Valid
GB/T 21224-2007 — Methods of test for the evaluation of water treeing in insulating materials
National·Recommended
Instant delivery (0–9 sec)
$265.0012 pages
Valid
GB/T 21225-2007 — Emergency power supply with inverter
National·Recommended
Instant delivery (0–9 sec)
$435.0029 pages
Valid
GB/T 21226-2007 — Semiconductor convertors -- Identification code for convertor connections
National·Recommended
Instant delivery (0–9 sec)
$235.001989 pages
Valid
GB/T 21228.1-2007 — Acoustics -- Sound-scattering properties of surfaces -- Part 1: Measurement of the random-incidence scattering coefficient in a reverberation room
National·Recommended
Instant delivery (0–9 sec)
$175.0010 pages
Valid
GB/T 21229-2007 — Acoustics -- Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room
National·Recommended
Instant delivery (0–9 sec)
$265.0012 pages
Valid
GB/T 21231-2007 — Acoustics -- Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices -- Part 1: Airborne noise measurement
National·Recommended
Instant delivery (0–9 sec)
$345.0025 pages
Valid
GB/T 21232-2007 — Acoustics -- Guidelines for noise control in offices and workrooms by means of acoustical screens
National·Recommended
Instant delivery (0–9 sec)
$235.0012 pages
Valid
GB/T 21236-2007 — Silica fume from electric-furnace
National·Recommended
Instant delivery (0–9 sec)
$75.0015 pages
Valid
GB/T 21243-2007 — Assignation of harzard classification of fireworks and firecrackers
National·Recommended
Instant delivery (0–9 sec)
$135.0015 pages
Valid
GB/T 21244-2007 — Paper cores
National·Recommended
Instant delivery (0–9 sec)
$70.0015 pages
Valid
GB/T 21245-2007 — Paper and board -- Determination of color (C/2-degreediffuse reflectance method)
National·Recommended
Instant delivery (0–9 sec)
$135.007 pages
Valid
GB/T 21247-2007 — Specifications for identification system of spilled oil on the sea
National·Recommended
Instant delivery (0–9 sec)
$495.0028 pages
Valid
GB/T 21261-2007 — Product of geographical indication - Yuquan liquor
National·Recommended
Instant delivery (0–9 sec)
$105.0015 pages
Valid
GB/T 21262-2007 — Product of geographical indication - Yongchun Mie Xiang
National·Recommended
Instant delivery (0–9 sec)
$225.0015 pages
Valid
GB/T 21263-2007 — Product of geographical indication - Niulanshan erguotou Liquor
National·Recommended
Instant delivery (0–9 sec)
$165.0015 pages
Valid
GB/T 21264-2007 — Cottonseed meal (solvent) for feedstuffs
National·Recommended
Instant delivery (0–9 sec)
$95.0015 pages