组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
找到 855 条
GB/T 12689.8-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of silicon content--The molybdenum blue spectrophotometric method
GB/T 12689.5-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of iron content--The sultosalicylic acid spectrometric method and the flame atomic absorption spectrometric method
GB/T 12689.4-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of copper content--The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method
GB/T 12689.3-2004
The methods forchemical analysis of zinc and zinc alloys--The determination of cadmium content--The flame atomic absorption spectrometric method
GB/T 12689.2-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of arsenic content--The atomic fluorescence spectrometer method
GB/T 12689.12-2004
The methods for chemical analysis of zincand zinc alloys--The determination of lead，cadmium，iron，copper，tin，aluminium，arsenic，stibium，magnesium lanthanum and cerium contents--The inductively coupled plasma-optical emission spectrometric method
GB/T 12689.11-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of lanthanum and cerium contents--The tri-bromide arsenazo spectrophoto-metric method
GB/T 12689.10-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of tin content--The phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method
GB/T 2976-2004
Metallic materials--Wire--Wrapping test
GB/T 4160-2004
Steel-strain ageing sensibility test(Charpy impact method)
GB/T 6524-2003
Metallic powders--Determination of particle size distribution by gravitational sedimentation in a liquid and attenuation measurement
GB/T 19346-2003
Measuring method of magnetic properties at alternative current for amorphous and nanocrystalline soft magnetic alloys
GB/T 19289-2003
Methods of measurement of density，resistivity and stacking factor of electrical steel sheet and strip
GB/T 6394-2002
Metal-methids for estimating the average grain size
GB/T 18876.1-2002
Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis--Part 1:Determining the inclusion or second-phase constituent content of steels and other metals by automatic
GB/T 223.7-2002
Iron powder--Determination of iron content--Potassium dichromate titration method
GB/T 5319-2002
Sintered metal materials，excluding hardmetals--Determination of transverse rupture strength
GB/T 5160-2002
Metallic powders--Determination of green strength by transverse rupture of rectangular compacts
GB/T 18658-2002
Charpy V reference test pieces for verification of pendulum-type impact testing machines
GB/T 3808-2002
Verification of pendulum-type impact testing machines