GB/T — National Recommended
Found: 49421 — page 955 of 1030
Valid
GB/T 6609.18-2004 — Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N，N-dimethyl-P-phenylenediamine spectrophotometric method
National·Recommended
Instant delivery (0–9 sec)
$125.0015 pages
Valid
GB/T 6609.20-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of magnesia content--Flame atomic absorption spectrophotometric method
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 6609.21-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of gallium trioxide content--Butyrhodamine B spectrophotometric method
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 6609.22-2004 — Chemical analysis methods and determination of physical performance of alumina -- Sampling
National·Recommended
Instant delivery (0–9 sec)
$85.0012 pages
Valid
GB/T 6609.23-2004 — Chemical analysis methods and determination of physical performance of alumina -- Preparation and storage of test samples
National·Recommended
Instant delivery (0–9 sec)
$79.005 pages
Valid
GB/T 6609.26-2004 — Chemical analysis methods and determination of physical performance of alumina -- Determination of absolute density -- Pycnometer method
National·Recommended
Instant delivery (0–9 sec)
$85.004 pages
Valid
GB/T 6609.29-2004 — Chemical analysis methods and determination of physical performance of alumina -- Determination of an absorption index
National·Recommended
Instant delivery (0–9 sec)
$85.003 pages
Valid
GB/T 6609.3-2004 — Chemical analysis methods and determination of physical performance of alumina -- Determination of silicon dioxide content -- Molybdenum blue photometric method
National·Recommended
Instant delivery (0–9 sec)
$85.003 pages
Valid
GB/T 6609.4-2004 — Chemical analysis methods and determination of physical performance of alumina -- Determination of ferric oxide content -- Orthophenanthroline photometric method
National·Recommended
Instant delivery (0–9 sec)
$85.004 pages
Valid
GB/T 6609.5-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of sodium oxide content
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 6609.7-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of titanium dioxide content--Diantiprylmehane photometric method
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 6609.8-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of chromium sesquioxide content--Diphenyl carbazide photometric method
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 6609.9-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of cupric oxide content--2，9-Dimethyl-1，10 phenanthroline photometric method
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 6730.53-2004 — Iron ores -- Determination of zinc content -- Flame atomic absorption spectrometric method
National·Recommended
Instant delivery (0–9 sec)
$85.007 pages
Valid
GB/T 6730.54-2004 — Iron ores -- Determination of lead content -- Flame atomic absorption spectrometric method
National·Recommended
Instant delivery (0–9 sec)
$85.007 pages
Valid
GB/T 6730.57-2004 — Iron ores -- Determination of chromium content -- Flame atomic absorption spectrometric method
National·Recommended
Instant delivery (0–9 sec)
$105.007 pages
Superseded
GB/T 6901.1-2004 — Chemical analysis of silica refractories -- Part 1: Determination of loss on ignition -- Gravimetric method
National·Recommended
Instant delivery (0–9 sec)
$55.009 pages
Superseded
GB/T 6901.3-2004 — Chemical analysis of silica refractories -- Part 3: Determination of silicon dioxide -- Hydrofluoric acid gravimetric method
National·Recommended
Instant delivery (0–9 sec)
$55.008 pages
Valid
GB/T 7220-2004 — Geometrical Product Specifications(GPS)--Surface texture:Profile method--Surfaceroughness--Terminology--Measurement of surface roughness parameters
National·Recommended
Instant delivery (0–9 sec)
$95.0015 pages
Valid
GB/T 7234-2004 — Geometrical Product Specifications(GPS)--Measurement of roundness--Terms，definitions and parameters of roundness
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 7235-2004 — Geometrical Product Specifications(GPS)--Methods for the assessment of departure from roundness--Measurement of variations in radius
National·Recommended
Instant delivery (0–9 sec)
$470.0015 pages
Valid
GB/T 744-2004 — Pulps -- Determination of alkali resistance
National·Recommended
Instant delivery (0–9 sec)
$130.005 pages
Valid
GB/T 7517-2004 — Micrographics--Microfilming for ancient books on 16mm roll film
National·Recommended
Instant delivery (0–9 sec)
$125.0015 pages
Valid
GB/T 7534-2004 — Volatile organic liquids for industrial use -- Determination of boiling range
National·Recommended
Instant delivery (0–9 sec)
$75.0017 pages
Valid
GB/T 7920.14-2004 — Road construction and maintenance equipment -- Bituminous binder spreaders/sprayers -- Terminology and commercial specifications
National·Recommended
Instant delivery (0–9 sec)
$195.0012 pages
Valid
GB/T 7920.16-2004 — Road construction and maintenance equipment -- Chippings spreaders -- Terminology and commercial specifications
National·Recommended
Instant delivery (0–9 sec)
$285.0013 pages
Valid
GB/T 8124-2004 — Tolerances and general features of gauges for metric trapezoidal screw threads
National·Recommended
Instant delivery (0–9 sec)
$165.0015 pages
Valid
GB/T 9056-2004 — Metal ruler
National·Recommended
Instant delivery (0–9 sec)
$100.0015 pages
Valid
GB/T 9074.20-2004 — Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 9074.5-2004 — Cross recessed small pan head screw andwasher assemblies with plain washers
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 9177-2004 — Vacuum packaging machine and vacuum-gas flushing packaging machine
National·Recommended
Instant delivery (0–9 sec)
$125.0015 pages
Valid
GB/T 9843-2004 — Specifications for urea high pressure scrubber
National·Recommended
Instant delivery (0–9 sec)
$135.0011 pages
Valid
GB/T 9983-2004 — Industrial sodium tripolyphosphate
National·Recommended
Instant delivery (0–9 sec)
$85.0015 pages
Valid
GB/T 9984.1-2004 — Test methods for industrial sodium tripolyphosphate
National·Recommended
Instant delivery (0–9 sec)
$205.0019 pages
Valid
GB/T 10062.1-2003 — Calculation of load capacity of bevel gear -- Part 1: Introduction and general influence factors
National·Recommended
Instant delivery (0–9 sec)
$505.0029 pages
Valid
GB/T 10062.2-2003 — Calculation of load capacity of bevel gear -- Part 2: Calculation of surface durability (pitting)
National·Recommended
Instant delivery (0–9 sec)
$195.0011 pages
Valid
GB/T 10062.3-2003 — Calculation of load capacity of bevel gear -- Part 3: Calculation of tooth root strength
National·Recommended
Instant delivery (0–9 sec)
$355.0023 pages
Valid
GB/T 10113-2003 — Definition of common terms used in classification and coding
National·Recommended
Instant delivery (0–9 sec)
$105.008 pages
Valid
GB/T 10114-2003 — Rules for the code representation of administrative divisions under counties
National·Recommended
Instant delivery (0–9 sec)
$55.008 pages
Valid
GB/T 10574.1-2003 — Methods for chemical analysis of tin-lead solders--Determination of tin content
National·Recommended
Instant delivery (0–9 sec)
$105.008 pages
Valid
GB/T 10574.2-2003 — Methods for chemical analysis of tin-lead solders--Determination of antimony content
National·Recommended
Instant delivery (0–9 sec)
$135.008 pages
Valid
GB/T 10574.3-2003 — Methods for chemical analysis of tin-lead solders--Determination of bismuth content
National·Recommended
Instant delivery (0–9 sec)
$85.008 pages
Valid
GB/T 10574.4-2003 — Methods for chemical analysis of tin-lead solders--Determination of iron content
National·Recommended
Instant delivery (0–9 sec)
$105.008 pages
Valid
GB/T 10574.5-2003 — Methods for chemical analysis of tin-lead solders--Determination of arsenic content
National·Recommended
Instant delivery (0–9 sec)
$105.008 pages
Valid
GB/T 10574.6-2003 — Methods for chemical analysis of tin-lead solders--Determination of copper content
National·Recommended
Instant delivery (0–9 sec)
$105.008 pages
Valid
GB/T 10611-2003 — Industrial screens -- Designation and nominal sizes of apertures
National·Recommended
Instant delivery (0–9 sec)
$70.006 pages
Valid
GB/T 10612-2003 — Industrial plate screens -- Thickness below 3 mm -- Round and square holes
National·Recommended
Instant delivery (0–9 sec)
$165.0010 pages
Valid
GB/T 10613-2003 — Industrial plate screens -- Thickness of 3 mm and above -- Round and square holes
National·Recommended
Instant delivery (0–9 sec)
$165.0011 pages