GB/T 42269-2022
分离膜孔径测试方法 气体渗透法
Determination of pore size for membranes—Gas permeation method
- 实施日期
- 2023-04-01
- ICS 分类
- 71.040.99
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。
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GB/T 42269-2022
Determination of pore size for membranes—Gas permeation method
GB/T 42270-2022
Test methods of hydrophobic characteristics for porous hydrophobic membrane
GB/T 21636-2021
Microbeam analysis—Electron probe microanalysis (EPMA)—Vocabulary
GB/T 41074-2021
Microbeam analysis—Method of specimen preparation for analysis of general powders using WDS and EDS
GB/T 20724-2021
Microbeam analysis—Method of thickness measurement for thin crystals by convergent beam electron diffraction
GB/T 28044-2011
GB/T 17360-2020
Microbeam analysis—Method of quantitative determination for low contents of silicon and manganese in steels using electron probe microanalyzer
GB/T 38441-2019
Pig iron and cast—Determination of chromium,copper,magnesium,manganese,molybdenum,nickel,phosphorus,tin,titanium,vanadium and silicon content—Inductively coupled plasma atomic emission spectrometric method
GB/T 37983-2019
Testing methods of X-ray diffraction for determining the orientation of crystal materials by rotation
GB/T 37969-2019
Standard guidelines for near infrared qualitative analysis
GB/T 37847-2019
General rules for isotope composition analysis by mass spectrometry
GB/T 37837-2019
General rules for quadrupole inductively coupled plasma mass spectrometry
GB/T 23961-2009
GB/T 36084-2018
Nanotechnology—Determination of copper, manganese and chromium ions in aqueous solution—Ultraviolet-visible spectrophotometry
GB/T 33826-2017
Measurement of nanofilm thickness on glass substrate—Profilometric method
GB/T 32613-2016
Determination of chlorhydrocaobon contents in correction stationery—Gas chromatographic method
GB/T 32606-2016
Determination method of free formaldehyde in stationery goods—Spectrophotometry with acetylacetone
GB/T 20726-2015
Microbeam analysis—Selected instrumental performance parameters for the specification and checking of energy dispersive X-ray spectrometers for use in electron probe microanalysis
GB/T 28634-2012
Microbeam analysis - Electron probe microanalysis - Quantitative point analysis for bulk specimen using wavelength dispersive X-ray spectroscopy
GB/T 17359-2012
Microbeam analysis - Quantitative analysis using energy dispersive spectrometry