Water quality--Determination of vanadium--BPHA extraction spectrophotometric method

Standard published on 19.1.1995

Water quality--Determination of carbon disulfide--Diethylamine cupric acetate spectrophotometric method

Standard published on 19.1.1995

Water quality--Determination of selenium--Graphite furnace atomic absorption spectrometric method

Standard published on 19.1.1995

Acoustics--Speech articulation testing method

Standard published on 15.3.1995

Test method for measuring resistivity of monocrystal silicon—In-line four-point probe and direct current two-point probe method

Standard published on 21.5.2021

General rules for reliability test of electromagnetic relay for control circuits

Standard published on 18.6.2008

Technical guides for evaluating the saving of iron and steel product in enterprise

Standard published on 8.4.2009

Codes for ports and other locations of the People""s Republic of China

Standard published on 11.10.2021

Specifications of optical power meter

Standard published on 7.10.2008

Air quality--Determination offormaldehyde--Acetylacetone spectrophotometric method

Standard published on 19.1.1995