Product

HG/T 4372-2012 《Composite pipes and fittings for chemical industry》

QJ 20167-2012 《Test method for mechanical properties of aramid composites》

JC/T 2405-2017 《Carbon/carbon composites for thermal insulation of ingot furnace》

HB 7736.8-2004 《Test method for physical properties of composite material prepreg Part 8:Determination of tack》

LY/T 1171-2016 《Remoistenable gummed tape for veneers》

JB/T 6237.8-2008 《Test methods for chemical analysis of silver powder for electric contact material. Part 8: Determination of pH of aqueous solution》

HG/T 2797.4-2007 《Silica-alumina carbon black.Part4:Determination of pH value》

HG/T 3067-2008 《Rubber compounding ingredients.Silica, precipitated, hydrated.Determination of pH value of an aqueous suspension》

QB/T 2303.10-2008 《Paste coated paper separator for batteries.Part 10:Determination of pH》

NY/T 1973-2021 《Water soluble fertilizers—Determination of water insoluble matter content and pH》

FZ/T 10014-2011 《Testing method for polyacrylic sizes used in textile warp sizing.Determination of pH value》

HY/T 178-2014 《Determination of alkalinity in seawater using pH potentiometric titration》

JB/T 6858-2018 《Test method of pH meters and Ion Meters》

SN/T 1523-2005 《Textiles-Determination of pH value on the surface》

QB/T 2724-2018 《Leather.Chemical tests.Determination of pH》

HJ/T 96-2003 《The technical requirement for water quality automatic analyzer of pH》

SH/T 1150-2011 《Synthetic rubber latex.Determination of pH》

YC/T 222-2007 《Tobacco and tobacco products- Determination of pH》

JC/T 2709-2022 《Test method for pH value of friction material》

QB/T 4820-2015 《pH-indicator base paper》

JB/T 6203-2017 《Industry pH meters》

SB/T 10322-1999 《Detection of pH》

JC/T 2344-2015 《Ceramic membrane for electrolytic》

HJ 377-2019 《Technical specifications and test procedures for water quality on-line automatic monitoring equipment of chemical oxygen demand (COD<下标Cr>)》

HJ 101-2019 《Technical specifications and test procedures for water quality on-line automatic monitoring equipment of ammonia》

HJ 609-2019 《Technical specifications and test procedures for water quality on-line automatic monitoring equipment of chromium (Ⅵ)》

HY/T 126-2009 《Multiparameter water quality monitor》

GB/T 5702-2019 《Method of measuring the color rendering properties of light sources》

JJF (纺织) 055-2012 《Calibration Specification for Standard Light Sources Boxes》

NF T36-007-2-2011 《Colorimetry - Part 2 : CIE standard illuminants》